[tracker/sam/ontology-urls] Update ontology URLs for 3.0



commit 7d01e4f143565184d3a3c9d54e03cd3e315bf565
Author: Sam Thursfield <sam afuera me uk>
Date:   Wed Apr 22 01:21:05 2020 +0200

    Update ontology URLs for 3.0
    
    Our ontology URLs now use a namespace that
    
    We are going to continue using the Nepomuk name in the ontologies
    that were developed by the Nepomuk project, despite changing the
    URL. This way we acknowledge that we have downstream changes to
    the Nepomuk ontologies but still provide a link to the original
    shared vocabularies.
    
    Fixes https://gitlab.gnome.org/GNOME/tracker/-/issues/162 and 
https://gitlab.gnome.org/GNOME/tracker/-/issues/104

 docs/manpages/tracker-info.1.txt                   |  2 +-
 docs/manpages/tracker-sparql.1.txt                 | 26 ++++++++--------
 .../examples/ontologies/defining-namespaces-1.txt  |  4 +--
 .../examples/ontologies/example.description        |  2 +-
 docs/tools/ttl_loader.c                            |  8 ++---
 docs/tools/ttlresource2xml.c                       |  2 +-
 examples/rss-reader/initial-data.ttl               | 18 +++++------
 src/libtracker-data/tracker-sparql.c               |  4 +--
 src/libtracker-sparql/tracker-ontologies.h         | 26 ++++++++--------
 src/ontologies/10-xsd.description                  |  2 +-
 src/ontologies/10-xsd.ontology                     |  2 +-
 src/ontologies/11-rdf.description                  |  2 +-
 src/ontologies/11-rdf.ontology                     |  4 +--
 src/ontologies/12-nrl.description                  |  4 +--
 src/ontologies/12-nrl.ontology                     |  4 +--
 src/ontologies/20-dc.description                   |  2 +-
 src/ontologies/20-dc.ontology                      |  4 +--
 src/ontologies/nepomuk/30-nie.description          |  4 +--
 src/ontologies/nepomuk/30-nie.ontology             |  6 ++--
 src/ontologies/nepomuk/31-nao.description          |  4 +--
 src/ontologies/nepomuk/31-nao.ontology             |  6 ++--
 src/ontologies/nepomuk/32-nco.description          |  4 +--
 src/ontologies/nepomuk/32-nco.ontology             | 10 +++---
 src/ontologies/nepomuk/33-nfo.description          |  4 +--
 src/ontologies/nepomuk/33-nfo.ontology             | 10 +++---
 src/ontologies/nepomuk/34-nmo.description          |  4 +--
 src/ontologies/nepomuk/34-nmo.ontology             | 12 ++++----
 src/ontologies/nepomuk/35-ncal.description         |  4 +--
 src/ontologies/nepomuk/35-ncal.ontology            | 12 ++++----
 src/ontologies/nepomuk/36-scal.description         |  4 +--
 src/ontologies/nepomuk/36-scal.ontology            | 10 +++---
 src/ontologies/nepomuk/37-nid3.description         |  4 +--
 src/ontologies/nepomuk/37-nid3.ontology            | 12 ++++----
 src/ontologies/nepomuk/38-nmm.description          |  4 +--
 src/ontologies/nepomuk/38-nmm.ontology             | 12 ++++----
 src/ontologies/nepomuk/39-mto.description          |  4 +--
 src/ontologies/nepomuk/39-mto.ontology             | 10 +++---
 src/ontologies/nepomuk/40-mlo.description          |  4 +--
 src/ontologies/nepomuk/40-mlo.ontology             | 10 +++---
 src/ontologies/nepomuk/41-mfo.description          |  4 +--
 src/ontologies/nepomuk/41-mfo.ontology             | 12 ++++----
 src/ontologies/nepomuk/89-mtp.description          |  4 +--
 src/ontologies/nepomuk/89-mtp.ontology             | 12 ++++----
 src/ontologies/nepomuk/90-tracker.description      |  4 +--
 src/ontologies/nepomuk/90-tracker.ontology         | 10 +++---
 src/ontologies/nepomuk/92-slo.description          |  4 +--
 src/ontologies/nepomuk/92-slo.ontology             | 10 +++---
 src/ontologies/nepomuk/93-libosinfo.description    |  4 +--
 src/ontologies/nepomuk/93-libosinfo.ontology       | 10 +++---
 src/tracker/tracker-export.c                       |  2 +-
 src/tracker/tracker-info.c                         |  4 +--
 tests/functional-tests/group-concat.py             |  6 ++--
 tests/functional-tests/test-data/test-movie.ttl    |  4 +--
 .../test-ontologies/add-class/91-test.ontology     |  4 +--
 .../add-domainIndex/91-test.ontology               |  4 +--
 .../test-ontologies/add-prop/91-test.ontology      |  4 +--
 .../test-ontologies/basic-future/91-test.ontology  |  4 +--
 .../test-ontologies/basic/91-test.ontology         |  4 +--
 .../test-ontologies/cardinality/91-test.ontology   |  4 +--
 .../test-ontologies/indexed/91-test.ontology       |  4 +--
 .../test-ontologies/notify/91-test.ontology        |  4 +--
 .../property-promotion/91-test.ontology            |  4 +--
 .../property-range-int-to-string/91-test.ontology  |  4 +--
 .../property-range-string-to-date/91-test.ontology |  4 +--
 .../superclass-remove/91-test.ontology             |  4 +--
 tests/libtracker-data/aggregates/test.ontology     |  2 +-
 tests/libtracker-data/algebra/test-1.ontology      |  2 +-
 tests/libtracker-data/algebra/test-2.ontology      |  2 +-
 tests/libtracker-data/anon/test.ontology           |  2 +-
 tests/libtracker-data/ask/data.ontology            |  2 +-
 tests/libtracker-data/basic/test.ontology          |  2 +-
 tests/libtracker-data/bind/data.ontology           |  2 +-
 .../bnode-coreference/data.ontology                |  2 +-
 tests/libtracker-data/bnode/data.ontology          |  2 +-
 tests/libtracker-data/bound/data.ontology          |  2 +-
 tests/libtracker-data/change/change-test-4.rq      |  2 +-
 tests/libtracker-data/change/change-test-5.rq      |  2 +-
 .../change/source/99-example.ontology.v1           |  2 +-
 .../change/source/99-example.ontology.v10          |  4 +--
 .../change/source/99-example.ontology.v11          |  4 +--
 .../change/source/99-example.ontology.v2           |  2 +-
 .../change/source/99-example.ontology.v3           |  4 +--
 .../change/source/99-example.ontology.v4           |  4 +--
 .../change/source/99-example.ontology.v5           |  4 +--
 .../change/source/99-example.ontology.v6           |  4 +--
 .../change/source/99-example.ontology.v7           |  4 +--
 .../change/source/99-example.ontology.v8           |  4 +--
 .../change/source/99-example.ontology.v9           |  4 +--
 tests/libtracker-data/construct/test.ontology      |  2 +-
 tests/libtracker-data/datetime/test.ontology       |  2 +-
 tests/libtracker-data/describe/test.ontology       |  2 +-
 tests/libtracker-data/error/test.ontology          |  2 +-
 tests/libtracker-data/expr-ops/data.ontology       |  2 +-
 tests/libtracker-data/functions/test-1.ontology    |  2 +-
 tests/libtracker-data/functions/test-2.ontology    |  2 +-
 tests/libtracker-data/graph/test.ontology          |  2 +-
 tests/libtracker-data/langstring/test.ontology     |  2 +-
 tests/libtracker-data/lists/test.ontology          |  2 +-
 .../mixed-cardinality/test.ontology                |  4 +--
 tests/libtracker-data/nie/data-1.ttl               | 16 +++++-----
 tests/libtracker-data/nmo/data-1.ttl               | 16 +++++-----
 tests/libtracker-data/optional/test-1.ontology     |  2 +-
 tests/libtracker-data/optional/test-2.ontology     |  4 +--
 tests/libtracker-data/property-paths/test.ontology |  2 +-
 tests/libtracker-data/regex/test.ontology          |  2 +-
 tests/libtracker-data/sort/test.ontology           |  4 +--
 .../subqueries/subqueries-minus-5.out              | 36 +++++++++++-----------
 tests/libtracker-data/subqueries/test.ontology     |  4 +--
 tests/libtracker-data/turtle/test.ontology         |  2 +-
 tests/libtracker-data/update/test.ontology         |  4 +--
 tests/libtracker-fts/data.ontology                 |  6 ++--
 tests/libtracker-sparql/tracker-statement-test.c   |  6 ++--
 utils/ontology/README.example                      |  2 +-
 utils/ontology/ontology-validator.c                |  8 ++---
 utils/ontology/rdfxml2metadatasample.xsl           | 16 +++++-----
 utils/ontology/rdfxml2servicesample.xsl            | 16 +++++-----
 utils/ontology/rdfxml2unittest_data.xsl            | 32 +++++++++----------
 utils/ontology/rdfxml2unittest_query.xsl           | 32 +++++++++----------
 utils/ontology/rdfxmlsample.xsl                    | 16 +++++-----
 utils/ontology/service2rdf-xml.py                  | 16 +++++-----
 120 files changed, 369 insertions(+), 369 deletions(-)
---
diff --git a/docs/manpages/tracker-info.1.txt b/docs/manpages/tracker-info.1.txt
index 2aceae700..199961204 100644
--- a/docs/manpages/tracker-info.1.txt
+++ b/docs/manpages/tracker-info.1.txt
@@ -25,7 +25,7 @@ not have to be an absolute path.
 *-f, --full-namespaces*::
   By default, all keys and values reported about any given _file_ are
   returned in shortened form, for example, _nie:title_ is shown instead
-  of _http://www.semanticdesktop.org/ontologies/2007/01/19/nie#title_.
+  of _http://tracker.api.gnome.org/ontology/v3/nie#title_.
   This makes things much easier to see generally and the output is less
   cluttered. This option reverses that so FULL namespaces are shown
   instead.
diff --git a/docs/manpages/tracker-sparql.1.txt b/docs/manpages/tracker-sparql.1.txt
index 1b6d312bc..1df1d7200 100644
--- a/docs/manpages/tracker-sparql.1.txt
+++ b/docs/manpages/tracker-sparql.1.txt
@@ -58,7 +58,7 @@ not have to be an absolute path.
 *-p, --list-properties=[_class_]*::
   Returns a list of properties which pertain to a _class_. You can use
   both formats here for the _class_, either the full name
-  _http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#Video_ or
+  _http://tracker.api.gnome.org/ontology/v3/nfo#Video_ or
   the shortened prefix name _nfo:Video_.
 
 This gives the following result:
@@ -67,8 +67,8 @@ This gives the following result:
 $ tracker sparql -p nfo:Video
 
 Properties: 2
-  http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#frameRate
-  http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#frameCount
+  http://tracker.api.gnome.org/ontology/v3/nfo#frameRate
+  http://tracker.api.gnome.org/ontology/v3/nfo#frameCount
 ----
 
 These properties _nfo:frameRate_ and _nfo:frameCount_ can then be used
@@ -175,16 +175,16 @@ ROOT
 $ tracker sparql -s text
 
 Classes: 4
-  http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#TextDocument
-  http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#PlainTextDocument
-  http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#PaginatedTextDocument
-  http://www.tracker-project.org/temp/nmm#SynchronizedText
+  http://tracker.api.gnome.org/ontology/v3/nfo#TextDocument
+  http://tracker.api.gnome.org/ontology/v3/nfo#PlainTextDocument
+  http://tracker.api.gnome.org/ontology/v3/nfo#PaginatedTextDocument
+  http://tracker.api.gnome.org/ontology/v3/nmm#SynchronizedText
 
 Properties: 4
-  http://www.tracker-project.org/ontologies/tracker#fulltextIndexed
-  http://www.semanticdesktop.org/ontologies/2007/01/19/nie#plainTextContent
-  http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#plainTextMessageContent
-  http://www.tracker-project.org/temp/scal#textLocation
+  http://tracker.api.gnome.org/ontology/v3/tracker#fulltextIndexed
+  http://tracker.api.gnome.org/ontology/v3/nie#plainTextContent
+  http://tracker.api.gnome.org/ontology/v3/nmo#plainTextMessageContent
+  http://tracker.api.gnome.org/ontology/v3/scal#textLocation
 ----
 
 See also *--tree*.
@@ -193,7 +193,7 @@ See also *--tree*.
   Returns the shorthand for a class given by a URL. For example:
 
 ----
-$ tracker sparql --get-shorthand 
http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#plainTextMessageContent
+$ tracker sparql --get-shorthand http://tracker.api.gnome.org/ontology/v3/nmo#plainTextMessageContent
 nmo:plainTextMessageContent
 ----
 
@@ -203,7 +203,7 @@ nmo:plainTextMessageContent
 
 ----
 $ tracker sparql --get-longhand nmm:MusicPiece
-http://www.tracker-project.org/temp/nmm#MusicPiece
+http://tracker.api.gnome.org/ontology/v3/nmm#MusicPiece
 ----
 
 == EXAMPLES
diff --git a/docs/reference/libtracker-sparql/examples/ontologies/defining-namespaces-1.txt 
b/docs/reference/libtracker-sparql/examples/ontologies/defining-namespaces-1.txt
index 639f6e8df..38c4eeeb5 100644
--- a/docs/reference/libtracker-sparql/examples/ontologies/defining-namespaces-1.txt
+++ b/docs/reference/libtracker-sparql/examples/ontologies/defining-namespaces-1.txt
@@ -1,9 +1,9 @@
 # These prefixes will be used in the definition of the ontology,
 # thus must be explicitly defined
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 # This is our example namespace
diff --git a/docs/reference/libtracker-sparql/examples/ontologies/example.description 
b/docs/reference/libtracker-sparql/examples/ontologies/example.description
index 939c601b5..10c584ef7 100644
--- a/docs/reference/libtracker-sparql/examples/ontologies/example.description
+++ b/docs/reference/libtracker-sparql/examples/ontologies/example.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:30-nie.ontology> a dsc:Ontology ;
        dsc:title "Example ontology" ;
diff --git a/docs/tools/ttl_loader.c b/docs/tools/ttl_loader.c
index 58c54e15b..b5b291582 100644
--- a/docs/tools/ttl_loader.c
+++ b/docs/tools/ttl_loader.c
@@ -35,10 +35,10 @@
 #define RDFS_LABEL "http://www.w3.org/2000/01/rdf-schema#label";
 #define RDFS_SUBPROPERTYOF "http://www.w3.org/2000/01/rdf-schema#subPropertyOf";
 
-#define NRL_MAX_CARDINALITY "http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#maxCardinality";
+#define NRL_MAX_CARDINALITY "http://tracker.api.gnome.org/ontology/v3/nrl#maxCardinality";
 
-/* #define TRACKER_NAMESPACE "http://www.tracker-project.org/ontologies/tracker#Namespace"; */
-#define TRACKER_NS "http://www.tracker-project.org/ontologies/tracker#";
+/* #define TRACKER_NAMESPACE "http://tracker.api.gnome.org/ontology/v3/tracker#Namespace"; */
+#define TRACKER_NS "http://tracker.api.gnome.org/ontology/v3/tracker#";
 #define TRACKER_CLASS_SPECIFICATION TRACKER_NS "classSpecification"
 #define TRACKER_PROPERTY_SPECIFICATION TRACKER_NS "propertySpecification"
 #define TRACKER_NOTIFY TRACKER_NS "notify"
@@ -47,7 +47,7 @@
 #define TRACKER_DEPRECATED TRACKER_NS "deprecated"
 
 /* Ontology description */
-#define DSC_PREFIX "http://www.tracker-project.org/temp/dsc#";
+#define DSC_PREFIX "http://tracker.api.gnome.org/ontology/v3/dsc#";
 
 #define DSC_ONTOLOGY DSC_PREFIX "Ontology"
 #define DSC_TITLE DSC_PREFIX "title"
diff --git a/docs/tools/ttlresource2xml.c b/docs/tools/ttlresource2xml.c
index 9fffcc1f2..eadcfa560 100644
--- a/docs/tools/ttlresource2xml.c
+++ b/docs/tools/ttlresource2xml.c
@@ -28,7 +28,7 @@
 #include "ttl_xml.h"
 #include "ttlresource2xml.h"
 
-#define TRACKER_ONTOLOGY_CLASS "http://www.tracker-project.org/ontologies/tracker#Ontology";
+#define TRACKER_ONTOLOGY_CLASS "http://tracker.api.gnome.org/ontology/v3/tracker#Ontology";
 
 static void
 class_get_parent_hierarchy (Ontology       *ontology,
diff --git a/examples/rss-reader/initial-data.ttl b/examples/rss-reader/initial-data.ttl
index 42b238b5f..786e6d8ba 100644
--- a/examples/rss-reader/initial-data.ttl
+++ b/examples/rss-reader/initial-data.ttl
@@ -1,14 +1,14 @@
 @prefix rdf: <http://www.w3.org/2000/01/rdf-schema#>.
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#>.
-@prefix nid3: <http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#>.
-@prefix nao: <http://www.semanticdesktop.org/ontologies/2007/08/15/nao#>.
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#>.
-@prefix nmo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#>.
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#>.
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#>.
-@prefix ncal: <http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#>.
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#>.
+@prefix nid3: <http://tracker.api.gnome.org/ontology/v3/nid3#>.
+@prefix nao: <http://tracker.api.gnome.org/ontology/v3/nao#>.
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#>.
+@prefix nmo: <http://tracker.api.gnome.org/ontology/v3/nmo#>.
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#>.
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#>.
+@prefix ncal: <http://tracker.api.gnome.org/ontology/v3/ncal#>.
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#>.
-@prefix mfo: <http://www.tracker-project.org/temp/mfo#>.
+@prefix mfo: <http://tracker.api.gnome.org/ontology/v3/mfo#>.
 
 <http://maemo.org/news/planet-maemo/atom.xml> a mfo:FeedChannel;
         nie:title "Planet Maemo";
diff --git a/src/libtracker-data/tracker-sparql.c b/src/libtracker-data/tracker-sparql.c
index 2e4808ef9..ebc8b6608 100644
--- a/src/libtracker-data/tracker-sparql.c
+++ b/src/libtracker-data/tracker-sparql.c
@@ -31,10 +31,10 @@
 #include "tracker-db-interface-sqlite.h"
 #include "tracker-utils.h"
 
-#define TRACKER_NS "http://www.tracker-project.org/ontologies/tracker#";
+#define TRACKER_NS "http://tracker.api.gnome.org/ontology/v3/tracker#";
 #define RDF_NS "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
 #define RDFS_NS "http://www.w3.org/2000/01/rdf-schema#";
-#define FTS_NS "http://www.tracker-project.org/ontologies/fts#";
+#define FTS_NS "http://tracker.api.gnome.org/ontology/v3/fts#";
 #define XSD_NS "http://www.w3.org/2001/XMLSchema#";
 #define FN_NS "http://www.w3.org/2005/xpath-functions#";
 
diff --git a/src/libtracker-sparql/tracker-ontologies.h b/src/libtracker-sparql/tracker-ontologies.h
index c441906ba..6c6dbdc68 100644
--- a/src/libtracker-sparql/tracker-ontologies.h
+++ b/src/libtracker-sparql/tracker-ontologies.h
@@ -31,24 +31,24 @@ G_BEGIN_DECLS
 #define TRACKER_PREFIX_RDF      "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
 #define TRACKER_PREFIX_RDFS     "http://www.w3.org/2000/01/rdf-schema#";
 #define TRACKER_PREFIX_XSD      "http://www.w3.org/2001/XMLSchema#";
-#define TRACKER_PREFIX_TRACKER  "http://www.tracker-project.org/ontologies/tracker#";
+#define TRACKER_PREFIX_TRACKER  "http://tracker.api.gnome.org/ontology/v3/tracker#";
 #define TRACKER_PREFIX_DC       "http://purl.org/dc/elements/1.1/";
 
 /* Our Nepomuk selection */
-#define TRACKER_PREFIX_NRL      "http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#";
-#define TRACKER_PREFIX_NMO      "http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#";
-#define TRACKER_PREFIX_NIE      "http://www.semanticdesktop.org/ontologies/2007/01/19/nie#";
-#define TRACKER_PREFIX_NCO      "http://www.semanticdesktop.org/ontologies/2007/03/22/nco#";
-#define TRACKER_PREFIX_NAO      "http://www.semanticdesktop.org/ontologies/2007/08/15/nao#";
-#define TRACKER_PREFIX_NID3     "http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#";
-#define TRACKER_PREFIX_NFO      "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#";
-#define TRACKER_PREFIX_OSINFO   "http://www.tracker-project.org/ontologies/osinfo#";
+#define TRACKER_PREFIX_NRL      "http://tracker.api.gnome.org/ontology/v3/nrl#";
+#define TRACKER_PREFIX_NMO      "http://tracker.api.gnome.org/ontology/v3/nmo#";
+#define TRACKER_PREFIX_NIE      "http://tracker.api.gnome.org/ontology/v3/nie#";
+#define TRACKER_PREFIX_NCO      "http://tracker.api.gnome.org/ontology/v3/nco#";
+#define TRACKER_PREFIX_NAO      "http://tracker.api.gnome.org/ontology/v3/nao#";
+#define TRACKER_PREFIX_NID3     "http://tracker.api.gnome.org/ontology/v3/nid3#";
+#define TRACKER_PREFIX_NFO      "http://tracker.api.gnome.org/ontology/v3/nfo#";
+#define TRACKER_PREFIX_OSINFO   "http://tracker.api.gnome.org/ontology/v3/osinfo#";
 
 /* Temporary */
-#define TRACKER_PREFIX_SLO      "http://www.tracker-project.org/temp/slo#";
-#define TRACKER_PREFIX_NMM      "http://www.tracker-project.org/temp/nmm#";
-#define TRACKER_PREFIX_MLO      "http://www.tracker-project.org/temp/mlo#";
-#define TRACKER_PREFIX_MFO      "http://www.tracker-project.org/temp/mfo#";
+#define TRACKER_PREFIX_SLO      "http://tracker.api.gnome.org/ontology/v3/slo#";
+#define TRACKER_PREFIX_NMM      "http://tracker.api.gnome.org/ontology/v3/nmm#";
+#define TRACKER_PREFIX_MLO      "http://tracker.api.gnome.org/ontology/v3/mlo#";
+#define TRACKER_PREFIX_MFO      "http://tracker.api.gnome.org/ontology/v3/mfo#";
 
 G_END_DECLS
 
diff --git a/src/ontologies/10-xsd.description b/src/ontologies/10-xsd.description
index 18ede47a9..d852c0d1f 100644
--- a/src/ontologies/10-xsd.description
+++ b/src/ontologies/10-xsd.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:10-xsd.ontology> a dsc:Ontology ;
        dsc:title "XML schema (XSD)" ;
diff --git a/src/ontologies/10-xsd.ontology b/src/ontologies/10-xsd.ontology
index e7470d571..05581280d 100644
--- a/src/ontologies/10-xsd.ontology
+++ b/src/ontologies/10-xsd.ontology
@@ -1,5 +1,5 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 xsd: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/11-rdf.description b/src/ontologies/11-rdf.description
index 2643af27f..540a06e1b 100644
--- a/src/ontologies/11-rdf.description
+++ b/src/ontologies/11-rdf.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:11-rdf.ontology> a dsc:Ontology ;
        dsc:title "Resource Description Framework (RDF)" ;
diff --git a/src/ontologies/11-rdf.ontology b/src/ontologies/11-rdf.ontology
index 1638208c5..c4a12c7e5 100644
--- a/src/ontologies/11-rdf.ontology
+++ b/src/ontologies/11-rdf.ontology
@@ -1,7 +1,7 @@
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 rdf: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/12-nrl.description b/src/ontologies/12-nrl.description
index 44a43b215..02accd4c3 100644
--- a/src/ontologies/12-nrl.description
+++ b/src/ontologies/12-nrl.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:12-nrl.ontology> a dsc:Ontology ;
        dsc:title "Nepomuk Resource Language (NRL)" ;
@@ -8,5 +8,5 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/12-nrl.ontology";;
 
        dsc:localPrefix "nrl" ;
-       dsc:baseUrl "http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/nrl#"; ;
        dsc:relativePath "./12-nrl.ontology" .
diff --git a/src/ontologies/12-nrl.ontology b/src/ontologies/12-nrl.ontology
index c6c6514ed..75041b0a2 100644
--- a/src/ontologies/12-nrl.ontology
+++ b/src/ontologies/12-nrl.ontology
@@ -1,7 +1,7 @@
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 nrl: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/20-dc.description b/src/ontologies/20-dc.description
index 64c4b590c..053e01a08 100644
--- a/src/ontologies/20-dc.description
+++ b/src/ontologies/20-dc.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:20-dc.description> a dsc:Ontology ;
        dsc:title "Dublin Core metadata (DC)" ;
diff --git a/src/ontologies/20-dc.ontology b/src/ontologies/20-dc.ontology
index 94b35ac14..d5f00407f 100644
--- a/src/ontologies/20-dc.ontology
+++ b/src/ontologies/20-dc.ontology
@@ -1,8 +1,8 @@
 @prefix dc: <http://purl.org/dc/elements/1.1/> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 dc: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/nepomuk/30-nie.description b/src/ontologies/nepomuk/30-nie.description
index 9d123ca89..c9a0c9800 100644
--- a/src/ontologies/nepomuk/30-nie.description
+++ b/src/ontologies/nepomuk/30-nie.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:30-nie.ontology> a dsc:Ontology ;
        dsc:title "Nepomuk Information Element (NIE)" ;
@@ -14,7 +14,7 @@
        dsc:contributor "Christiaan Fluit, Aduna, &lt;christiaan fluit aduna-software com&gt;";
 
        dsc:localPrefix "nie" ;
-       dsc:baseUrl "http://www.semanticdesktop.org/ontologies/2007/01/19/nie#";;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/nie#";;
        dsc:relativePath "./30-nie.ontology" ;
 
        dsc:copyright "&copy; 2007 <ulink url=\"http://www.dfki.de/\";>DFKI</ulink> &copy; 2009 <ulink 
url=\"http://www.nokia.com/\";>Nokia</ulink>. The ontologies are made available under the terms of NEPOMUK 
<ulink url=\"http://www.semanticdesktop.org/ontologies/nfo/LICENSE.txt\";>software license</ulink> (FIXME 
verify)".
diff --git a/src/ontologies/nepomuk/30-nie.ontology b/src/ontologies/nepomuk/30-nie.ontology
index d769b26ed..753caab2f 100644
--- a/src/ontologies/nepomuk/30-nie.ontology
+++ b/src/ontologies/nepomuk/30-nie.ontology
@@ -1,9 +1,9 @@
 @prefix dc: <http://purl.org/dc/elements/1.1/> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 nie: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/nepomuk/31-nao.description b/src/ontologies/nepomuk/31-nao.description
index 4a6646da6..192e3c0b5 100644
--- a/src/ontologies/nepomuk/31-nao.description
+++ b/src/ontologies/nepomuk/31-nao.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:31-nao.ontology> a dsc:Ontology ;
        dsc:title "Nepomuk Annotation Ontology (NAO)" ;
@@ -23,7 +23,7 @@
        dsc:upstream "http://www.semanticdesktop.org/ontologies/nao/";;
 
        dsc:localPrefix "nao" ;
-       dsc:baseUrl "http://www.semanticdesktop.org/ontologies/2007/08/15/nao#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/nao#"; ;
        dsc:relativePath "./31-nao.ontology" ;
 
        dsc:copyright "&copy; 2007 <ulink url=\"http://nepomuk.semanticdesktop.org\";>NEPOMUK 
Consortium</ulink>&reg;. This work is made available under the terms of NEPOMUK <ulink 
url=\"http://www.semanticdesktop.org/ontologies/nfo/LICENSE.txt\";>software license</ulink>" .
diff --git a/src/ontologies/nepomuk/31-nao.ontology b/src/ontologies/nepomuk/31-nao.ontology
index 5dc3220a9..263bb1641 100644
--- a/src/ontologies/nepomuk/31-nao.ontology
+++ b/src/ontologies/nepomuk/31-nao.ontology
@@ -1,9 +1,9 @@
 @prefix dc: <http://purl.org/dc/elements/1.1/> .
-@prefix nao: <http://www.semanticdesktop.org/ontologies/2007/08/15/nao#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nao: <http://tracker.api.gnome.org/ontology/v3/nao#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 nao: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/nepomuk/32-nco.description b/src/ontologies/nepomuk/32-nco.description
index 2f26de6da..6bc527bd4 100644
--- a/src/ontologies/nepomuk/32-nco.description
+++ b/src/ontologies/nepomuk/32-nco.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:32-nco.ontology> a dsc:Ontology ;
        dsc:title "Nepomuk Contacts Ontology (NCO)" ;
@@ -20,7 +20,7 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/32-nco.ontology";;
 
        dsc:localPrefix "nco" ;
-       dsc:baseUrl "http://www.semanticdesktop.org/ontologies/2007/03/22/nco#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/nco#"; ;
        dsc:relativePath "./32-nco.ontology" ;
 
        dsc:copyright "&copy; 2007 <ulink url=\"http://www.dfki.de/\";>DFKI</ulink> &copy; 2009 <ulink 
url=\"http://www.nokia.com/\";>Nokia</ulink>. The ontologies are made available under the terms of NEPOMUK 
<ulink url=\"http://www.semanticdesktop.org/ontologies/nfo/LICENSE.txt\";>software license</ulink> (FIXME 
verify)".
diff --git a/src/ontologies/nepomuk/32-nco.ontology b/src/ontologies/nepomuk/32-nco.ontology
index 3eab37b18..1ca1ff519 100644
--- a/src/ontologies/nepomuk/32-nco.ontology
+++ b/src/ontologies/nepomuk/32-nco.ontology
@@ -1,11 +1,11 @@
 @prefix dc: <http://purl.org/dc/elements/1.1/> .
-@prefix nao: <http://www.semanticdesktop.org/ontologies/2007/08/15/nao#> .
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nao: <http://tracker.api.gnome.org/ontology/v3/nao#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 nco: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/nepomuk/33-nfo.description b/src/ontologies/nepomuk/33-nfo.description
index f7e63455d..14a4b1c04 100644
--- a/src/ontologies/nepomuk/33-nfo.description
+++ b/src/ontologies/nepomuk/33-nfo.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:33-nfo.ontology> a dsc:Ontology ;
        dsc:title "Nepomuk File Ontology (NFO)" ;
@@ -20,7 +20,7 @@
        dsc:contributor "Christiaan Fluit, Aduna, &lt;christiaan fluit aduna-software com&gt;";
 
        dsc:localPrefix "nfo" ;
-       dsc:baseUrl "http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/nfo#"; ;
        dsc:relativePath "./33-nfo.ontology" ;
 
        dsc:copyright "&copy; 2007 <ulink url=\"http://www.dfki.de/\";>DFKI</ulink> &copy; 2009 <ulink 
url=\"http://www.nokia.com/\";>Nokia</ulink>. The ontologies are made available under the terms of NEPOMUK 
<ulink url=\"http://www.semanticdesktop.org/ontologies/nfo/LICENSE.txt\";>software license</ulink> (FIXME 
verify)".
diff --git a/src/ontologies/nepomuk/33-nfo.ontology b/src/ontologies/nepomuk/33-nfo.ontology
index b667c8c98..06f970409 100644
--- a/src/ontologies/nepomuk/33-nfo.ontology
+++ b/src/ontologies/nepomuk/33-nfo.ontology
@@ -1,11 +1,11 @@
 @prefix dc: <http://purl.org/dc/elements/1.1/> .
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 nfo: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/nepomuk/34-nmo.description b/src/ontologies/nepomuk/34-nmo.description
index a22aec70c..56721eefe 100644
--- a/src/ontologies/nepomuk/34-nmo.description
+++ b/src/ontologies/nepomuk/34-nmo.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:34-nmo.ontology> a dsc:Ontology ;
        dsc:title "Nepomuk Messaging Ontology (NMO)" ;
@@ -19,7 +19,7 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/data/ontologies/34-nmo.ontology";;
 
        dsc:localPrefix "nmo" ;
-       dsc:baseUrl "http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/nmo#"; ;
        dsc:relativePath "./34-nmo.ontology" ;
 
        dsc:upstream "http://www.semanticdesktop.org/ontologies/nmo/";;
diff --git a/src/ontologies/nepomuk/34-nmo.ontology b/src/ontologies/nepomuk/34-nmo.ontology
index 6f16fd591..1449f8771 100644
--- a/src/ontologies/nepomuk/34-nmo.ontology
+++ b/src/ontologies/nepomuk/34-nmo.ontology
@@ -1,11 +1,11 @@
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nmo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nmo: <http://tracker.api.gnome.org/ontology/v3/nmo#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 nmo: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/nepomuk/35-ncal.description b/src/ontologies/nepomuk/35-ncal.description
index 482037d83..37141d505 100644
--- a/src/ontologies/nepomuk/35-ncal.description
+++ b/src/ontologies/nepomuk/35-ncal.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:35-ncal.ontology> a dsc:Ontology ;
        dsc:title "Nepomuk Calendar Ontology (NCAL)" ;
@@ -19,7 +19,7 @@
        dsc:upstream "http://www.semanticdesktop.org/ontologies/ncal/";;
 
        dsc:localPrefix "ncal" ;
-       dsc:baseUrl "http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/ncal#"; ;
        dsc:relativePath "./35-ncal.ontology" ;
 
        dsc:copyright "&copy; 2007 <ulink url=\"http://nepomuk.semanticdesktop.org\";>NEPOMUK 
Consortium</ulink>&reg;. This work is made available under the terms of NEPOMUK <ulink 
url=\"http://www.semanticdesktop.org/ontologies/nfo/LICENSE.txt\";>software license</ulink>" .
diff --git a/src/ontologies/nepomuk/35-ncal.ontology b/src/ontologies/nepomuk/35-ncal.ontology
index 3d7fafb18..c1ef551fd 100644
--- a/src/ontologies/nepomuk/35-ncal.ontology
+++ b/src/ontologies/nepomuk/35-ncal.ontology
@@ -1,12 +1,12 @@
 @prefix dc: <http://purl.org/dc/elements/1.1/> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix ncal: <http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix ncal: <http://tracker.api.gnome.org/ontology/v3/ncal#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 ncal: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/nepomuk/36-scal.description b/src/ontologies/nepomuk/36-scal.description
index d85db7b6a..5ae991298 100644
--- a/src/ontologies/nepomuk/36-scal.description
+++ b/src/ontologies/nepomuk/36-scal.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:36-scal.ontology> a dsc:Ontology ;
        dsc:title "Simplified Calendar Ontology (SCAL)" ;
@@ -8,5 +8,5 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/36-scal.ontology";;
 
        dsc:localPrefix "scal" ;
-       dsc:baseUrl "http://www.tracker-project.org/temp/scal#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/scal#"; ;
        dsc:relativePath "./36-scal.ontology" .
diff --git a/src/ontologies/nepomuk/36-scal.ontology b/src/ontologies/nepomuk/36-scal.ontology
index cac604d1b..aceb7ae71 100644
--- a/src/ontologies/nepomuk/36-scal.ontology
+++ b/src/ontologies/nepomuk/36-scal.ontology
@@ -1,11 +1,11 @@
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix scal: <http://www.tracker-project.org/temp/scal#> .
+@prefix scal: <http://tracker.api.gnome.org/ontology/v3/scal#> .
 
 scal: a tracker:Namespace, tracker:Ontology ;
        tracker:prefix "scal" ;
diff --git a/src/ontologies/nepomuk/37-nid3.description b/src/ontologies/nepomuk/37-nid3.description
index 5f92d4829..6d368024a 100644
--- a/src/ontologies/nepomuk/37-nid3.description
+++ b/src/ontologies/nepomuk/37-nid3.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:37-nid3.ontology> a dsc:Ontology ;
        dsc:title "Nepomuk IDE3 copy (NID3)" ;
@@ -8,5 +8,5 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/37-nid3.ontology";;
 
        dsc:localPrefix "nid3" ;
-       dsc:baseUrl "http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/nid3#"; ;
        dsc:relativePath "./37-nid3.ontology" .
diff --git a/src/ontologies/nepomuk/37-nid3.ontology b/src/ontologies/nepomuk/37-nid3.ontology
index e62a08399..9a46ef607 100644
--- a/src/ontologies/nepomuk/37-nid3.ontology
+++ b/src/ontologies/nepomuk/37-nid3.ontology
@@ -1,11 +1,11 @@
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nid3: <http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nid3: <http://tracker.api.gnome.org/ontology/v3/nid3#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 nid3: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/nepomuk/38-nmm.description b/src/ontologies/nepomuk/38-nmm.description
index cff616067..631147c15 100644
--- a/src/ontologies/nepomuk/38-nmm.description
+++ b/src/ontologies/nepomuk/38-nmm.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:38-nmm.ontology> a dsc:Ontology ;
        dsc:title "Nepomuk MultiMedia (NMM)" ;
@@ -12,5 +12,5 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/38-nmm.ontology";;
 
        dsc:localPrefix "nmm" ;
-       dsc:baseUrl "http://www.tracker-project.org/temp/nmm#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/nmm#"; ;
        dsc:relativePath "./38-nmm.ontology" .
diff --git a/src/ontologies/nepomuk/38-nmm.ontology b/src/ontologies/nepomuk/38-nmm.ontology
index 329262e88..614549f66 100644
--- a/src/ontologies/nepomuk/38-nmm.ontology
+++ b/src/ontologies/nepomuk/38-nmm.ontology
@@ -1,12 +1,12 @@
 @prefix dc: <http://purl.org/dc/elements/1.1/> .
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nmm: <http://www.tracker-project.org/temp/nmm#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nmm: <http://tracker.api.gnome.org/ontology/v3/nmm#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 nmm: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/ontologies/nepomuk/39-mto.description b/src/ontologies/nepomuk/39-mto.description
index b2af3cb77..043d6b489 100644
--- a/src/ontologies/nepomuk/39-mto.description
+++ b/src/ontologies/nepomuk/39-mto.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:39-mto.ontology> a dsc:Ontology ;
        dsc:title "Maemo Transfer Ontology (MTO)" ;
@@ -12,5 +12,5 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/39-mto.ontology";;
 
        dsc:localPrefix "mto" ;
-       dsc:baseUrl "http://www.tracker-project.org/temp/mto#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/mto#"; ;
        dsc:relativePath "./39-mto.ontology" .
diff --git a/src/ontologies/nepomuk/39-mto.ontology b/src/ontologies/nepomuk/39-mto.ontology
index 3b8b8e182..f0dd0fbf0 100644
--- a/src/ontologies/nepomuk/39-mto.ontology
+++ b/src/ontologies/nepomuk/39-mto.ontology
@@ -1,11 +1,11 @@
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
-@prefix mto: <http://www.tracker-project.org/temp/mto#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
+@prefix mto: <http://tracker.api.gnome.org/ontology/v3/mto#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 
 mto: a tracker:Namespace, tracker:Ontology ;
        tracker:prefix "mto" ;
diff --git a/src/ontologies/nepomuk/40-mlo.description b/src/ontologies/nepomuk/40-mlo.description
index e724fc6c1..b262f3ecf 100644
--- a/src/ontologies/nepomuk/40-mlo.description
+++ b/src/ontologies/nepomuk/40-mlo.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:40-mlo.ontology> a dsc:Ontology ;
        dsc:title "Maemo Location Ontology (MLO)" ;
@@ -9,6 +9,6 @@
 
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/40-mlo.ontology";;
 
-       dsc:baseUrl "http://www.tracker-project.org/temp/mlo#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/mlo#"; ;
        dsc:localPrefix "mlo" ;
        dsc:relativePath "./40-mlo.ontology" .
diff --git a/src/ontologies/nepomuk/40-mlo.ontology b/src/ontologies/nepomuk/40-mlo.ontology
index acc8eb1e6..09ed722b4 100644
--- a/src/ontologies/nepomuk/40-mlo.ontology
+++ b/src/ontologies/nepomuk/40-mlo.ontology
@@ -1,11 +1,11 @@
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
-@prefix mlo: <http://www.tracker-project.org/temp/mlo#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
+@prefix mlo: <http://tracker.api.gnome.org/ontology/v3/mlo#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 
 mlo: a tracker:Namespace, tracker:Ontology ;
        tracker:prefix "mlo" ;
diff --git a/src/ontologies/nepomuk/41-mfo.description b/src/ontologies/nepomuk/41-mfo.description
index 75e9663e1..9d0872e42 100644
--- a/src/ontologies/nepomuk/41-mfo.description
+++ b/src/ontologies/nepomuk/41-mfo.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:41-mfo.ontology> a dsc:Ontology ;
        dsc:title "Maemo Feeds Ontology (MFO)" ;
@@ -12,5 +12,5 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/41-mfo.ontology";;
 
        dsc:localPrefix "mfo" ;
-       dsc:baseUrl "http://www.tracker-project.org/temp/mfo#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/mfo#"; ;
        dsc:relativePath "./41-mfo.ontology" .
diff --git a/src/ontologies/nepomuk/41-mfo.ontology b/src/ontologies/nepomuk/41-mfo.ontology
index e0094e883..7ea5f9b62 100644
--- a/src/ontologies/nepomuk/41-mfo.ontology
+++ b/src/ontologies/nepomuk/41-mfo.ontology
@@ -1,12 +1,12 @@
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
-@prefix nmo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#> .
-@prefix mfo: <http://www.tracker-project.org/temp/mfo#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
+@prefix nmo: <http://tracker.api.gnome.org/ontology/v3/nmo#> .
+@prefix mfo: <http://tracker.api.gnome.org/ontology/v3/mfo#> .
 
 mfo: a tracker:Namespace, tracker:Ontology ;
        tracker:prefix "mfo" ;
diff --git a/src/ontologies/nepomuk/89-mtp.description b/src/ontologies/nepomuk/89-mtp.description
index aaf081553..46618e3fe 100644
--- a/src/ontologies/nepomuk/89-mtp.description
+++ b/src/ontologies/nepomuk/89-mtp.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:89-mtp.ontology> a dsc:Ontology ;
        dsc:title "Multimetida Transfer Protocol (MTP) Ontology" ;
@@ -9,5 +9,5 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/89-mtp.ontology";;
 
        dsc:localPrefix "mtp" ;
-       dsc:baseUrl "http://www.tracker-project.org/temp/mtp#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/mtp#"; ;
        dsc:relativePath "./89-mtp.ontology" .
diff --git a/src/ontologies/nepomuk/89-mtp.ontology b/src/ontologies/nepomuk/89-mtp.ontology
index 880aff827..043aa3533 100644
--- a/src/ontologies/nepomuk/89-mtp.ontology
+++ b/src/ontologies/nepomuk/89-mtp.ontology
@@ -1,12 +1,12 @@
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix mtp: <http://www.tracker-project.org/temp/mtp#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nmm: <http://www.tracker-project.org/temp/nmm#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
+@prefix mtp: <http://tracker.api.gnome.org/ontology/v3/mtp#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nmm: <http://tracker.api.gnome.org/ontology/v3/nmm#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
 
 mtp: a tracker:Namespace, tracker:Ontology ;
        tracker:prefix "mtp" ;
diff --git a/src/ontologies/nepomuk/90-tracker.description b/src/ontologies/nepomuk/90-tracker.description
index b01c9e23e..1972745a9 100644
--- a/src/ontologies/nepomuk/90-tracker.description
+++ b/src/ontologies/nepomuk/90-tracker.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:90-tracker.ontology> a dsc:Ontology ;
        dsc:title "Tracker-specific annotations Ontology" ;
@@ -9,5 +9,5 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/90-tracker.ontology";;
 
        dsc:localPrefix "tracker" ;
-       dsc:baseUrl "http://www.tracker-project.org/ontologies/tracker#";;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/tracker#";;
        dsc:relativePath "./90-tracker.ontology" .
diff --git a/src/ontologies/nepomuk/90-tracker.ontology b/src/ontologies/nepomuk/90-tracker.ontology
index 6be88c89d..c66ee9ede 100644
--- a/src/ontologies/nepomuk/90-tracker.ontology
+++ b/src/ontologies/nepomuk/90-tracker.ontology
@@ -1,10 +1,10 @@
-@prefix fts: <http://www.tracker-project.org/ontologies/fts#> .
-@prefix nao: <http://www.semanticdesktop.org/ontologies/2007/08/15/nao#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix fts: <http://tracker.api.gnome.org/ontology/v3/fts#> .
+@prefix nao: <http://tracker.api.gnome.org/ontology/v3/nao#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 tracker: a tracker:Ontology ;
diff --git a/src/ontologies/nepomuk/92-slo.description b/src/ontologies/nepomuk/92-slo.description
index 7f648ee95..b6c1e4484 100644
--- a/src/ontologies/nepomuk/92-slo.description
+++ b/src/ontologies/nepomuk/92-slo.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:40-mlo.ontology> a dsc:Ontology ;
        dsc:title "Simplified Maemo Location Ontology (SLO) (experimental/for testing)" ;
@@ -9,6 +9,6 @@
 
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/92-slo.ontology";;
 
-       dsc:baseUrl "http://www.tracker-project.org/temp/slo#"; ;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/slo#"; ;
        dsc:localPrefix "slo" ;
        dsc:relativePath "./92-slo.ontology" .
diff --git a/src/ontologies/nepomuk/92-slo.ontology b/src/ontologies/nepomuk/92-slo.ontology
index 4078462cf..608d0dcfa 100644
--- a/src/ontologies/nepomuk/92-slo.ontology
+++ b/src/ontologies/nepomuk/92-slo.ontology
@@ -1,11 +1,11 @@
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
-@prefix slo: <http://www.tracker-project.org/temp/slo#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
+@prefix slo: <http://tracker.api.gnome.org/ontology/v3/slo#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 
 slo: a tracker:Namespace, tracker:Ontology ;
        tracker:prefix "slo" ;
diff --git a/src/ontologies/nepomuk/93-libosinfo.description b/src/ontologies/nepomuk/93-libosinfo.description
index 41c78c87d..f7f4a48b9 100644
--- a/src/ontologies/nepomuk/93-libosinfo.description
+++ b/src/ontologies/nepomuk/93-libosinfo.description
@@ -1,4 +1,4 @@
-@prefix dsc: <http://www.tracker-project.org/temp/dsc#> .
+@prefix dsc: <http://tracker.api.gnome.org/ontology/v3/dsc#> .
 
 <virtual-ontology-uri:93-libosinfo.ontology> a dsc:Ontology ;
        dsc:title "libosinfo-specific annotations Ontology" ;
@@ -9,5 +9,5 @@
        dsc:gitlog "http://git.gnome.org/cgit/tracker/log/src/ontologies/93-libosinfo.ontology";;
 
        dsc:localPrefix "osinfo" ;
-       dsc:baseUrl "http://www.tracker-project.org/ontologies/osinfo#";;
+       dsc:baseUrl "http://tracker.api.gnome.org/ontology/v3/osinfo#";;
        dsc:relativePath "./93-libosinfo.ontology" .
diff --git a/src/ontologies/nepomuk/93-libosinfo.ontology b/src/ontologies/nepomuk/93-libosinfo.ontology
index 89fa80d78..35dbef857 100644
--- a/src/ontologies/nepomuk/93-libosinfo.ontology
+++ b/src/ontologies/nepomuk/93-libosinfo.ontology
@@ -1,10 +1,10 @@
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
-@prefix osinfo: <http://www.tracker-project.org/ontologies/osinfo#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
+@prefix osinfo: <http://tracker.api.gnome.org/ontology/v3/osinfo#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 osinfo: a tracker:Namespace, tracker:Ontology ;
diff --git a/src/tracker/tracker-export.c b/src/tracker/tracker-export.c
index 755b1cb65..3d9bf2e3a 100644
--- a/src/tracker/tracker-export.c
+++ b/src/tracker/tracker-export.c
@@ -145,7 +145,7 @@ print_turtle (TrackerSparqlCursor *cursor,
                }
 
                /* Don't display nie:plainTextContent */
-               //if (!plain_text_content && strcmp (key, 
"http://www.semanticdesktop.org/ontologies/2007/01/19/nie#plainTextContent";) == 0) {
+               //if (!plain_text_content && strcmp (key, 
"http://tracker.api.gnome.org/ontology/v3/nie#plainTextContent";) == 0) {
                //      continue;
                //}
 
diff --git a/src/tracker/tracker-info.c b/src/tracker/tracker-info.c
index 15fd9f91e..2ac34d98d 100644
--- a/src/tracker/tracker-info.c
+++ b/src/tracker/tracker-info.c
@@ -146,7 +146,7 @@ print_plain (gchar               *urn_or_filename,
                }
 
                /* Don't display nie:plainTextContent */
-               if (strcmp (key, "http://www.semanticdesktop.org/ontologies/2007/01/19/nie#plainTextContent";) 
== 0) {
+               if (strcmp (key, "http://tracker.api.gnome.org/ontology/v3/nie#plainTextContent";) == 0) {
                        if (plain_text_content) {
                                fts_key = g_strdup (key);
                                fts_value = g_strdup (value);
@@ -241,7 +241,7 @@ print_turtle (gchar               *urn,
                }
 
                /* Don't display nie:plainTextContent */
-               if (!plain_text_content && strcmp (key, 
"http://www.semanticdesktop.org/ontologies/2007/01/19/nie#plainTextContent";) == 0) {
+               if (!plain_text_content && strcmp (key, 
"http://tracker.api.gnome.org/ontology/v3/nie#plainTextContent";) == 0) {
                        continue;
                }
 
diff --git a/tests/functional-tests/group-concat.py b/tests/functional-tests/group-concat.py
index 7cb2e907e..5e3f11d26 100644
--- a/tests/functional-tests/group-concat.py
+++ b/tests/functional-tests/group-concat.py
@@ -73,9 +73,9 @@ class TestGroupConcat (fixtures.TrackerSparqlDirectTest):
         instances = results[0][1].split('|')
         assert len(instances) == 3
 
-        TEXT_CHAT = "http://www.semanticdesktop.org/ontologies/2007/03/22/nco#im-capability-text-chat";
-        MEDIA_CALLS = "http://www.semanticdesktop.org/ontologies/2007/03/22/nco#im-capability-media-calls";
-        FILE_TRANSFERS = 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nco#im-capability-file-transfers";
+        TEXT_CHAT = "http://tracker.api.gnome.org/ontology/v3/nco#im-capability-text-chat";
+        MEDIA_CALLS = "http://tracker.api.gnome.org/ontology/v3/nco#im-capability-media-calls";
+        FILE_TRANSFERS = "http://tracker.api.gnome.org/ontology/v3/nco#im-capability-file-transfers";
         assert TEXT_CHAT in instances
         assert MEDIA_CALLS in instances
         assert FILE_TRANSFERS in instances
diff --git a/tests/functional-tests/test-data/test-movie.ttl b/tests/functional-tests/test-data/test-movie.ttl
index dc7aabf67..6e2483341 100644
--- a/tests/functional-tests/test-data/test-movie.ttl
+++ b/tests/functional-tests/test-data/test-movie.ttl
@@ -1,5 +1,5 @@
-@prefix nmm: <http://www.tracker-project.org/temp/nmm#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
+@prefix nmm: <http://tracker.api.gnome.org/ontology/v3/nmm#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 
 _:3 a nfo:FileHash ;
diff --git a/tests/functional-tests/test-ontologies/add-class/91-test.ontology 
b/tests/functional-tests/test-ontologies/add-class/91-test.ontology
index 16a5f5a7f..a4f231340 100644
--- a/tests/functional-tests/test-ontologies/add-class/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/add-class/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/add-domainIndex/91-test.ontology 
b/tests/functional-tests/test-ontologies/add-domainIndex/91-test.ontology
index e2d0b7eb2..0d224f49a 100644
--- a/tests/functional-tests/test-ontologies/add-domainIndex/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/add-domainIndex/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/add-prop/91-test.ontology 
b/tests/functional-tests/test-ontologies/add-prop/91-test.ontology
index 77a942877..72fde9361 100644
--- a/tests/functional-tests/test-ontologies/add-prop/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/add-prop/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/basic-future/91-test.ontology 
b/tests/functional-tests/test-ontologies/basic-future/91-test.ontology
index 4762b5869..6dda3b2a1 100644
--- a/tests/functional-tests/test-ontologies/basic-future/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/basic-future/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/basic/91-test.ontology 
b/tests/functional-tests/test-ontologies/basic/91-test.ontology
index d8a5177c5..cae343eab 100644
--- a/tests/functional-tests/test-ontologies/basic/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/basic/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/cardinality/91-test.ontology 
b/tests/functional-tests/test-ontologies/cardinality/91-test.ontology
index 91ae95aef..08e8b8faf 100644
--- a/tests/functional-tests/test-ontologies/cardinality/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/cardinality/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/indexed/91-test.ontology 
b/tests/functional-tests/test-ontologies/indexed/91-test.ontology
index 7928a21ee..8b1b1a65b 100644
--- a/tests/functional-tests/test-ontologies/indexed/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/indexed/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/notify/91-test.ontology 
b/tests/functional-tests/test-ontologies/notify/91-test.ontology
index 6b542c10f..d60e3902c 100644
--- a/tests/functional-tests/test-ontologies/notify/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/notify/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/property-promotion/91-test.ontology 
b/tests/functional-tests/test-ontologies/property-promotion/91-test.ontology
index 64cb8480e..d3442e9e9 100644
--- a/tests/functional-tests/test-ontologies/property-promotion/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/property-promotion/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/property-range-int-to-string/91-test.ontology 
b/tests/functional-tests/test-ontologies/property-range-int-to-string/91-test.ontology
index 479f1e636..56fc79da2 100644
--- a/tests/functional-tests/test-ontologies/property-range-int-to-string/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/property-range-int-to-string/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/property-range-string-to-date/91-test.ontology 
b/tests/functional-tests/test-ontologies/property-range-string-to-date/91-test.ontology
index 08c415595..faa57b6c3 100644
--- a/tests/functional-tests/test-ontologies/property-range-string-to-date/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/property-range-string-to-date/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/functional-tests/test-ontologies/superclass-remove/91-test.ontology 
b/tests/functional-tests/test-ontologies/superclass-remove/91-test.ontology
index 8a0ca5480..3796ad57c 100644
--- a/tests/functional-tests/test-ontologies/superclass-remove/91-test.ontology
+++ b/tests/functional-tests/test-ontologies/superclass-remove/91-test.ontology
@@ -1,9 +1,9 @@
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix test: <http://example.org/ns#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 #
 # Note: If you modify this ontology remember to replicate the changes in the other
diff --git a/tests/libtracker-data/aggregates/test.ontology b/tests/libtracker-data/aggregates/test.ontology
index e19d00773..078a68c4f 100644
--- a/tests/libtracker-data/aggregates/test.ontology
+++ b/tests/libtracker-data/aggregates/test.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/algebra/test-1.ontology b/tests/libtracker-data/algebra/test-1.ontology
index 7f1ca40d2..786eb21bf 100644
--- a/tests/libtracker-data/algebra/test-1.ontology
+++ b/tests/libtracker-data/algebra/test-1.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/algebra/test-2.ontology b/tests/libtracker-data/algebra/test-2.ontology
index ab81ddcc2..ffc5373f0 100644
--- a/tests/libtracker-data/algebra/test-2.ontology
+++ b/tests/libtracker-data/algebra/test-2.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example:name a rdf:Property ;
diff --git a/tests/libtracker-data/anon/test.ontology b/tests/libtracker-data/anon/test.ontology
index de0a07b06..000185060 100644
--- a/tests/libtracker-data/anon/test.ontology
+++ b/tests/libtracker-data/anon/test.ontology
@@ -1,7 +1,7 @@
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 foaf: a tracker:Namespace ;
diff --git a/tests/libtracker-data/ask/data.ontology b/tests/libtracker-data/ask/data.ontology
index 855efe732..2cc3edf7c 100644
--- a/tests/libtracker-data/ask/data.ontology
+++ b/tests/libtracker-data/ask/data.ontology
@@ -1,6 +1,6 @@
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix x:  <http://example/> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
diff --git a/tests/libtracker-data/basic/test.ontology b/tests/libtracker-data/basic/test.ontology
index bdaad6bda..1fd37bae2 100644
--- a/tests/libtracker-data/basic/test.ontology
+++ b/tests/libtracker-data/basic/test.ontology
@@ -1,7 +1,7 @@
 @prefix ns: <http://example.org/ns#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix x:  <http://example.org/x/> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 @prefix z:  <http://example.org/x/#> .
diff --git a/tests/libtracker-data/bind/data.ontology b/tests/libtracker-data/bind/data.ontology
index 00b5a5bf8..099cc21eb 100644
--- a/tests/libtracker-data/bind/data.ontology
+++ b/tests/libtracker-data/bind/data.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example.org/ns#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/bnode-coreference/data.ontology 
b/tests/libtracker-data/bnode-coreference/data.ontology
index ca4c99676..814ee6813 100644
--- a/tests/libtracker-data/bnode-coreference/data.ontology
+++ b/tests/libtracker-data/bnode-coreference/data.ontology
@@ -1,7 +1,7 @@
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 foaf: a tracker:Namespace ;
diff --git a/tests/libtracker-data/bnode/data.ontology b/tests/libtracker-data/bnode/data.ontology
index ca4c99676..814ee6813 100644
--- a/tests/libtracker-data/bnode/data.ontology
+++ b/tests/libtracker-data/bnode/data.ontology
@@ -1,7 +1,7 @@
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 foaf: a tracker:Namespace ;
diff --git a/tests/libtracker-data/bound/data.ontology b/tests/libtracker-data/bound/data.ontology
index 31542655e..32ac02d56 100644
--- a/tests/libtracker-data/bound/data.ontology
+++ b/tests/libtracker-data/bound/data.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example.org/ns#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 
 example: a tracker:Namespace ;
        tracker:prefix "example" .
diff --git a/tests/libtracker-data/change/change-test-4.rq b/tests/libtracker-data/change/change-test-4.rq
index 9067876fc..a134fadf1 100644
--- a/tests/libtracker-data/change/change-test-4.rq
+++ b/tests/libtracker-data/change/change-test-4.rq
@@ -1 +1 @@
-select ?u { ?u <http://www.tracker-project.org/ontologies/fts#match> 'resource' } order by ?u
+select ?u { ?u <http://tracker.api.gnome.org/ontology/v3/fts#match> 'resource' } order by ?u
diff --git a/tests/libtracker-data/change/change-test-5.rq b/tests/libtracker-data/change/change-test-5.rq
index 9067876fc..a134fadf1 100644
--- a/tests/libtracker-data/change/change-test-5.rq
+++ b/tests/libtracker-data/change/change-test-5.rq
@@ -1 +1 @@
-select ?u { ?u <http://www.tracker-project.org/ontologies/fts#match> 'resource' } order by ?u
+select ?u { ?u <http://tracker.api.gnome.org/ontology/v3/fts#match> 'resource' } order by ?u
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v1 
b/tests/libtracker-data/change/source/99-example.ontology.v1
index 2b59851ad..e6674e9d0 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v1
+++ b/tests/libtracker-data/change/source/99-example.ontology.v1
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v10 
b/tests/libtracker-data/change/source/99-example.ontology.v10
index 28fb66860..9007ab159 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v10
+++ b/tests/libtracker-data/change/source/99-example.ontology.v10
@@ -1,9 +1,9 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
        tracker:lastModified "2010-03-23T11:00:09Z" ;
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v11 
b/tests/libtracker-data/change/source/99-example.ontology.v11
index 1d738109c..31ab28d84 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v11
+++ b/tests/libtracker-data/change/source/99-example.ontology.v11
@@ -1,9 +1,9 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
        tracker:lastModified "2010-03-23T11:00:10Z" ;
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v2 
b/tests/libtracker-data/change/source/99-example.ontology.v2
index aca07ac5a..17dab7f41 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v2
+++ b/tests/libtracker-data/change/source/99-example.ontology.v2
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v3 
b/tests/libtracker-data/change/source/99-example.ontology.v3
index 4a70e9a6b..861a32112 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v3
+++ b/tests/libtracker-data/change/source/99-example.ontology.v3
@@ -1,9 +1,9 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
        tracker:lastModified "2010-03-23T11:00:03Z" ;
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v4 
b/tests/libtracker-data/change/source/99-example.ontology.v4
index 05fe28a34..e223e6956 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v4
+++ b/tests/libtracker-data/change/source/99-example.ontology.v4
@@ -1,9 +1,9 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
        tracker:lastModified "2010-03-23T11:00:04Z" ;
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v5 
b/tests/libtracker-data/change/source/99-example.ontology.v5
index 0e77f036c..0261ab276 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v5
+++ b/tests/libtracker-data/change/source/99-example.ontology.v5
@@ -1,9 +1,9 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
        tracker:lastModified "2010-03-23T11:00:05Z" ;
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v6 
b/tests/libtracker-data/change/source/99-example.ontology.v6
index 9714ffa01..869f9cb31 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v6
+++ b/tests/libtracker-data/change/source/99-example.ontology.v6
@@ -1,9 +1,9 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
        tracker:lastModified "2010-03-23T11:00:06Z" ;
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v7 
b/tests/libtracker-data/change/source/99-example.ontology.v7
index 9714ffa01..869f9cb31 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v7
+++ b/tests/libtracker-data/change/source/99-example.ontology.v7
@@ -1,9 +1,9 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
        tracker:lastModified "2010-03-23T11:00:06Z" ;
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v8 
b/tests/libtracker-data/change/source/99-example.ontology.v8
index a803a9b34..84b9e7f53 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v8
+++ b/tests/libtracker-data/change/source/99-example.ontology.v8
@@ -1,9 +1,9 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
        tracker:lastModified "2010-03-23T11:00:07Z" ;
diff --git a/tests/libtracker-data/change/source/99-example.ontology.v9 
b/tests/libtracker-data/change/source/99-example.ontology.v9
index c27bdc4bf..64ec11939 100644
--- a/tests/libtracker-data/change/source/99-example.ontology.v9
+++ b/tests/libtracker-data/change/source/99-example.ontology.v9
@@ -1,9 +1,9 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace, tracker:Ontology ;
        tracker:lastModified "2010-03-23T11:00:08Z" ;
diff --git a/tests/libtracker-data/construct/test.ontology b/tests/libtracker-data/construct/test.ontology
index 0a803ae95..695f934ce 100644
--- a/tests/libtracker-data/construct/test.ontology
+++ b/tests/libtracker-data/construct/test.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/datetime/test.ontology b/tests/libtracker-data/datetime/test.ontology
index 2938ddc4d..43cfa9f6e 100644
--- a/tests/libtracker-data/datetime/test.ontology
+++ b/tests/libtracker-data/datetime/test.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/describe/test.ontology b/tests/libtracker-data/describe/test.ontology
index 0a803ae95..695f934ce 100644
--- a/tests/libtracker-data/describe/test.ontology
+++ b/tests/libtracker-data/describe/test.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/error/test.ontology b/tests/libtracker-data/error/test.ontology
index c041ffd05..63df24c97 100644
--- a/tests/libtracker-data/error/test.ontology
+++ b/tests/libtracker-data/error/test.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example.com/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/expr-ops/data.ontology b/tests/libtracker-data/expr-ops/data.ontology
index 7a1e111d1..a3915d59c 100644
--- a/tests/libtracker-data/expr-ops/data.ontology
+++ b/tests/libtracker-data/expr-ops/data.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example.org/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/functions/test-1.ontology b/tests/libtracker-data/functions/test-1.ontology
index 8d1cc9fb8..2ea79628f 100644
--- a/tests/libtracker-data/functions/test-1.ontology
+++ b/tests/libtracker-data/functions/test-1.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 @prefix ns: <http://www.w3.org/2005/xpath-functions#> .
 
diff --git a/tests/libtracker-data/functions/test-2.ontology b/tests/libtracker-data/functions/test-2.ontology
index f9ad3ffc4..ff872f5e2 100644
--- a/tests/libtracker-data/functions/test-2.ontology
+++ b/tests/libtracker-data/functions/test-2.ontology
@@ -1,7 +1,7 @@
 @prefix       e:  <http://example/> .
 @prefix     rdf:  <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix    rdfs:  <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker:  <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker:  <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix     xsd:  <http://www.w3.org/2001/XMLSchema#> .
 @prefix      ns:  <http://www.w3.org/2005/xpath-functions#> .
 
diff --git a/tests/libtracker-data/graph/test.ontology b/tests/libtracker-data/graph/test.ontology
index f87e18082..1b5f5af19 100644
--- a/tests/libtracker-data/graph/test.ontology
+++ b/tests/libtracker-data/graph/test.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/langstring/test.ontology b/tests/libtracker-data/langstring/test.ontology
index fa600f7fe..69da693c4 100644
--- a/tests/libtracker-data/langstring/test.ontology
+++ b/tests/libtracker-data/langstring/test.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/lists/test.ontology b/tests/libtracker-data/lists/test.ontology
index d541030cb..e1e95c651 100644
--- a/tests/libtracker-data/lists/test.ontology
+++ b/tests/libtracker-data/lists/test.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/mixed-cardinality/test.ontology 
b/tests/libtracker-data/mixed-cardinality/test.ontology
index 4e9cdf209..133fd4a2c 100644
--- a/tests/libtracker-data/mixed-cardinality/test.ontology
+++ b/tests/libtracker-data/mixed-cardinality/test.ontology
@@ -1,9 +1,9 @@
 @prefix example: <http://example.com/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace ;
        tracker:prefix "example" .
diff --git a/tests/libtracker-data/nie/data-1.ttl b/tests/libtracker-data/nie/data-1.ttl
index 636b77bda..995f0afe0 100644
--- a/tests/libtracker-data/nie/data-1.ttl
+++ b/tests/libtracker-data/nie/data-1.ttl
@@ -3,23 +3,23 @@
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix owl: <http://www.w3.org/2002/07/owl#> .
 @prefix xsl: <http://www.w3.org/1999/XSL/Transform#> .
-@prefix nid3: <http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
-@prefix nmo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
+@prefix nid3: <http://tracker.api.gnome.org/ontology/v3/nid3#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
+@prefix nmo: <http://tracker.api.gnome.org/ontology/v3/nmo#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
 @prefix exif: <http://www.kanzaki.com/ns/exif#> .
-@prefix nao: <http://www.semanticdesktop.org/ontologies/2007/08/15/nao#> .
+@prefix nao: <http://tracker.api.gnome.org/ontology/v3/nao#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix protege: <http://protege.stanford.edu/system#> .
 @prefix dcterms: <http://purl.org/dc/terms/> .
-@prefix ncal: <http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#> .
+@prefix ncal: <http://tracker.api.gnome.org/ontology/v3/ncal#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix pimo: <http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#> .
 @prefix geo: <http://www.w3.org/2003/01/geo/wgs84_pos#> .
 @prefix tmo: <http://www.semanticdesktop.org/ontologies/2008/05/20/tmo#> .
 @prefix dc: <http://purl.org/dc/elements/1.1/> .
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
 @prefix nexif: <http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#> .
 
 _:a1 a nie:DataObject .
diff --git a/tests/libtracker-data/nmo/data-1.ttl b/tests/libtracker-data/nmo/data-1.ttl
index b74e35e9d..940505e81 100644
--- a/tests/libtracker-data/nmo/data-1.ttl
+++ b/tests/libtracker-data/nmo/data-1.ttl
@@ -2,23 +2,23 @@
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix owl: <http://www.w3.org/2002/07/owl#> .
 @prefix xsl: <http://www.w3.org/1999/XSL/Transform#> .
-@prefix nid3: <http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#> .
-@prefix nfo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#> .
-@prefix nmo: <http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#> .
-@prefix nie: <http://www.semanticdesktop.org/ontologies/2007/01/19/nie#> .
+@prefix nid3: <http://tracker.api.gnome.org/ontology/v3/nid3#> .
+@prefix nfo: <http://tracker.api.gnome.org/ontology/v3/nfo#> .
+@prefix nmo: <http://tracker.api.gnome.org/ontology/v3/nmo#> .
+@prefix nie: <http://tracker.api.gnome.org/ontology/v3/nie#> .
 @prefix exif: <http://www.kanzaki.com/ns/exif#> .
-@prefix nao: <http://www.semanticdesktop.org/ontologies/2007/08/15/nao#> .
+@prefix nao: <http://tracker.api.gnome.org/ontology/v3/nao#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix protege: <http://protege.stanford.edu/system#> .
 @prefix dcterms: <http://purl.org/dc/terms/> .
-@prefix ncal: <http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#> .
+@prefix ncal: <http://tracker.api.gnome.org/ontology/v3/ncal#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix pimo: <http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#> .
 @prefix geo: <http://www.w3.org/2003/01/geo/wgs84_pos#> .
 @prefix tmo: <http://www.semanticdesktop.org/ontologies/2008/05/20/tmo#> .
 @prefix dc: <http://purl.org/dc/elements/1.1/> .
-@prefix nco: <http://www.semanticdesktop.org/ontologies/2007/03/22/nco#> .
+@prefix nco: <http://tracker.api.gnome.org/ontology/v3/nco#> .
 @prefix nexif: <http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#> .
 
 _:a1 a nmo:Message .
diff --git a/tests/libtracker-data/optional/test-1.ontology b/tests/libtracker-data/optional/test-1.ontology
index 7babe9165..71c6a5dd6 100644
--- a/tests/libtracker-data/optional/test-1.ontology
+++ b/tests/libtracker-data/optional/test-1.ontology
@@ -1,7 +1,7 @@
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 foaf: a tracker:Namespace ;
diff --git a/tests/libtracker-data/optional/test-2.ontology b/tests/libtracker-data/optional/test-2.ontology
index 6ec57b584..d2ca9d942 100644
--- a/tests/libtracker-data/optional/test-2.ontology
+++ b/tests/libtracker-data/optional/test-2.ontology
@@ -1,8 +1,8 @@
 @prefix example: <http://example.org/> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/property-paths/test.ontology 
b/tests/libtracker-data/property-paths/test.ontology
index de0a07b06..000185060 100644
--- a/tests/libtracker-data/property-paths/test.ontology
+++ b/tests/libtracker-data/property-paths/test.ontology
@@ -1,7 +1,7 @@
 @prefix foaf: <http://xmlns.com/foaf/0.1/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 foaf: a tracker:Namespace ;
diff --git a/tests/libtracker-data/regex/test.ontology b/tests/libtracker-data/regex/test.ontology
index c041ffd05..63df24c97 100644
--- a/tests/libtracker-data/regex/test.ontology
+++ b/tests/libtracker-data/regex/test.ontology
@@ -1,7 +1,7 @@
 @prefix example: <http://example.com/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/sort/test.ontology b/tests/libtracker-data/sort/test.ontology
index 4672fbab4..2e61db26d 100644
--- a/tests/libtracker-data/sort/test.ontology
+++ b/tests/libtracker-data/sort/test.ontology
@@ -2,9 +2,9 @@
 @prefix owl: <http://www.w3.org/2002/07/owl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix example: <http://example.org/things#> .
 
 foaf: a tracker:Namespace ;
diff --git a/tests/libtracker-data/subqueries/subqueries-minus-5.out 
b/tests/libtracker-data/subqueries/subqueries-minus-5.out
index bdc93d8c2..e0909de15 100644
--- a/tests/libtracker-data/subqueries/subqueries-minus-5.out
+++ b/tests/libtracker-data/subqueries/subqueries-minus-5.out
@@ -22,24 +22,24 @@
 "http://purl.org/dc/elements/1.1/subject";
 "http://purl.org/dc/elements/1.1/title";
 "http://purl.org/dc/elements/1.1/type";
-"http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#";
-"http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#InverseFunctionalProperty";
-"http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#maxCardinality";
-"http://www.tracker-project.org/ontologies/tracker#";
-"http://www.tracker-project.org/ontologies/tracker#Namespace";
-"http://www.tracker-project.org/ontologies/tracker#Ontology";
-"http://www.tracker-project.org/ontologies/tracker#classSpecification";
-"http://www.tracker-project.org/ontologies/tracker#deprecated";
-"http://www.tracker-project.org/ontologies/tracker#domainIndex";
-"http://www.tracker-project.org/ontologies/tracker#fulltextIndexed";
-"http://www.tracker-project.org/ontologies/tracker#indexed";
-"http://www.tracker-project.org/ontologies/tracker#lastModified";
-"http://www.tracker-project.org/ontologies/tracker#notify";
-"http://www.tracker-project.org/ontologies/tracker#prefix";
-"http://www.tracker-project.org/ontologies/tracker#propertySpecification";
-"http://www.tracker-project.org/ontologies/tracker#secondaryIndex";
-"http://www.tracker-project.org/ontologies/tracker#weight";
-"http://www.tracker-project.org/ontologies/tracker#writeback";
+"http://tracker.api.gnome.org/ontology/v3/nrl#";
+"http://tracker.api.gnome.org/ontology/v3/nrl#InverseFunctionalProperty";
+"http://tracker.api.gnome.org/ontology/v3/nrl#maxCardinality";
+"http://tracker.api.gnome.org/ontology/v3/tracker#";
+"http://tracker.api.gnome.org/ontology/v3/tracker#Namespace";
+"http://tracker.api.gnome.org/ontology/v3/tracker#Ontology";
+"http://tracker.api.gnome.org/ontology/v3/tracker#classSpecification";
+"http://tracker.api.gnome.org/ontology/v3/tracker#deprecated";
+"http://tracker.api.gnome.org/ontology/v3/tracker#domainIndex";
+"http://tracker.api.gnome.org/ontology/v3/tracker#fulltextIndexed";
+"http://tracker.api.gnome.org/ontology/v3/tracker#indexed";
+"http://tracker.api.gnome.org/ontology/v3/tracker#lastModified";
+"http://tracker.api.gnome.org/ontology/v3/tracker#notify";
+"http://tracker.api.gnome.org/ontology/v3/tracker#prefix";
+"http://tracker.api.gnome.org/ontology/v3/tracker#propertySpecification";
+"http://tracker.api.gnome.org/ontology/v3/tracker#secondaryIndex";
+"http://tracker.api.gnome.org/ontology/v3/tracker#weight";
+"http://tracker.api.gnome.org/ontology/v3/tracker#writeback";
 "http://www.w3.org/1999/02/22-rdf-syntax-ns#";
 "http://www.w3.org/1999/02/22-rdf-syntax-ns#List";
 "http://www.w3.org/1999/02/22-rdf-syntax-ns#Property";
diff --git a/tests/libtracker-data/subqueries/test.ontology b/tests/libtracker-data/subqueries/test.ontology
index 5f2224543..b5faa8e7c 100644
--- a/tests/libtracker-data/subqueries/test.ontology
+++ b/tests/libtracker-data/subqueries/test.ontology
@@ -1,8 +1,8 @@
 @prefix example: <http://example.org/ns#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 example: a tracker:Namespace ;
diff --git a/tests/libtracker-data/turtle/test.ontology b/tests/libtracker-data/turtle/test.ontology
index b5a57b800..321064845 100644
--- a/tests/libtracker-data/turtle/test.ontology
+++ b/tests/libtracker-data/turtle/test.ontology
@@ -6,7 +6,7 @@
 @prefix f: <http://example.org/ns3#> .
 @prefix b: <http://example.org/b2#> .
 @prefix bz: <http://example.org/b2> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix bar: <bar#> .
 
 foo: a tracker:Namespace ;
diff --git a/tests/libtracker-data/update/test.ontology b/tests/libtracker-data/update/test.ontology
index 638399223..6c9e3e34e 100644
--- a/tests/libtracker-data/update/test.ontology
+++ b/tests/libtracker-data/update/test.ontology
@@ -1,9 +1,9 @@
 @prefix example: <http://example/> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 
 example: a tracker:Namespace ;
        tracker:prefix "example" .
diff --git a/tests/libtracker-fts/data.ontology b/tests/libtracker-fts/data.ontology
index 820eff015..7799a9ab8 100644
--- a/tests/libtracker-fts/data.ontology
+++ b/tests/libtracker-fts/data.ontology
@@ -1,9 +1,9 @@
-@prefix fts: <http://www.tracker-project.org/ontologies/fts#> .
-@prefix nrl: <http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#> .
+@prefix fts: <http://tracker.api.gnome.org/ontology/v3/fts#> .
+@prefix nrl: <http://tracker.api.gnome.org/ontology/v3/nrl#> .
 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
 @prefix test: <http://www.example.org/test#> .
-@prefix tracker: <http://www.tracker-project.org/ontologies/tracker#> .
+@prefix tracker: <http://tracker.api.gnome.org/ontology/v3/tracker#> .
 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
 
 test: a tracker:Ontology ;
diff --git a/tests/libtracker-sparql/tracker-statement-test.c 
b/tests/libtracker-sparql/tracker-statement-test.c
index 86e884c0e..c2c6e5da6 100644
--- a/tests/libtracker-sparql/tracker-statement-test.c
+++ b/tests/libtracker-sparql/tracker-statement-test.c
@@ -39,10 +39,10 @@ TestInfo tests[] = {
        { "simple", "statement/simple.rq", "statement/simple.out", "hello" },
        { "simple-error", "statement/simple-error.rq" },
        { "object", "statement/object.rq", "statement/object.out", "Music album" },
-       { "object-iri", "statement/object-iri.rq", "statement/object-iri.out", 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#MediaList"; },
-       { "subject", "statement/subject.rq", "statement/subject.out", 
"http://www.tracker-project.org/temp/nmm#MusicAlbum"; },
+       { "object-iri", "statement/object-iri.rq", "statement/object-iri.out", 
"http://tracker.api.gnome.org/ontology/v3/nfo#MediaList"; },
+       { "subject", "statement/subject.rq", "statement/subject.out", 
"http://tracker.api.gnome.org/ontology/v3/nmm#MusicAlbum"; },
        { "subject-2", "statement/subject.rq", "statement/subject-2.out", "urn:nonexistent" },
-       { "filter", "statement/filter.rq", "statement/filter.out", 
"http://www.tracker-project.org/temp/nmm#MusicAlbum";, "Music album" },
+       { "filter", "statement/filter.rq", "statement/filter.out", 
"http://tracker.api.gnome.org/ontology/v3/nmm#MusicAlbum";, "Music album" },
 };
 
 typedef struct {
diff --git a/utils/ontology/README.example b/utils/ontology/README.example
index 48277a2bc..ceb8dbd04 100644
--- a/utils/ontology/README.example
+++ b/utils/ontology/README.example
@@ -9,7 +9,7 @@
 
    E.g.
 
-   ./ttl2html -f ../../src/ontologies/39-mto.ontology -u http://www.tracker-project.org/temp/mto#
+   ./ttl2html -f ../../src/ontologies/39-mto.ontology -u http://tracker.api.gnome.org/ontology/v3/mto#
 
 
 == ontology-validator ==
diff --git a/utils/ontology/ontology-validator.c b/utils/ontology/ontology-validator.c
index fd3123134..c133d19d5 100644
--- a/utils/ontology/ontology-validator.c
+++ b/utils/ontology/ontology-validator.c
@@ -43,12 +43,12 @@ static GOptionEntry   entries[] = {
 #define RDFS_SUBCLASSOF  "http://www.w3.org/2000/01/rdf-schema#subClassOf";
 #define RDFS_SUBPROPERTYOF  "http://www.w3.org/2000/01/rdf-schema#subPropertyOf";
 #define RDFS_TYPE "http://www.w3.org/1999/02/22-rdf-syntax-ns#type";
-#define TRACKER_NS "http://www.tracker-project.org/ontologies/tracker#Namespace";
-#define TRACKER_ONTO "http://www.tracker-project.org/ontologies/tracker#Ontology";
-#define TRACKER_PREFIX "http://www.tracker-project.org/ontologies/tracker#prefix";
+#define TRACKER_NS "http://tracker.api.gnome.org/ontology/v3/tracker#Namespace";
+#define TRACKER_ONTO "http://tracker.api.gnome.org/ontology/v3/tracker#Ontology";
+#define TRACKER_PREFIX "http://tracker.api.gnome.org/ontology/v3/tracker#prefix";
 #define RDFS_RANGE "http://www.w3.org/2000/01/rdf-schema#range";
 #define RDFS_DOMAIN "http://www.w3.org/2000/01/rdf-schema#domain";
-#define NRL_IFP "http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#InverseFunctionalProperty";
+#define NRL_IFP "http://tracker.api.gnome.org/ontology/v3/nrl#InverseFunctionalProperty";
 
 static GList *unknown_items = NULL;
 static GList *known_items = NULL;
diff --git a/utils/ontology/rdfxml2metadatasample.xsl b/utils/ontology/rdfxml2metadatasample.xsl
index b73d70c66..d4d3e8317 100644
--- a/utils/ontology/rdfxml2metadatasample.xsl
+++ b/utils/ontology/rdfxml2metadatasample.xsl
@@ -1,23 +1,23 @@
 <xsl:stylesheet version = '1.0'
      xmlns:xsl='http://www.w3.org/1999/XSL/Transform'
-  xmlns:nid3="http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#";
-  xmlns:nfo="http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#";
-  xmlns:nmo="http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#";
-  xmlns:nie="http://www.semanticdesktop.org/ontologies/2007/01/19/nie#";
+  xmlns:nid3="http://tracker.api.gnome.org/ontology/v3/nid3#";
+  xmlns:nfo="http://tracker.api.gnome.org/ontology/v3/nfo#";
+  xmlns:nmo="http://tracker.api.gnome.org/ontology/v3/nmo#";
+  xmlns:nie="http://tracker.api.gnome.org/ontology/v3/nie#";
   xmlns:exif="http://www.kanzaki.com/ns/exif#";
-  xmlns:nao="http://www.semanticdesktop.org/ontologies/2007/08/15/nao#";
+  xmlns:nao="http://tracker.api.gnome.org/ontology/v3/nao#";
   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#";
   xmlns:protege="http://protege.stanford.edu/system#";
   xmlns:dcterms="http://purl.org/dc/terms/";
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
-  xmlns:ncal="http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#";
+  xmlns:ncal="http://tracker.api.gnome.org/ontology/v3/ncal#";
   xmlns:xsd="http://www.w3.org/2001/XMLSchema#";
-  xmlns:nrl="http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#";
+  xmlns:nrl="http://tracker.api.gnome.org/ontology/v3/nrl#";
   xmlns:pimo="http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#";
   xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#";
   xmlns:tmo="http://www.semanticdesktop.org/ontologies/2008/05/20/tmo#";
   xmlns:dc="http://purl.org/dc/elements/1.1/";
-  xmlns:nco="http://www.semanticdesktop.org/ontologies/2007/03/22/nco#";
+  xmlns:nco="http://tracker.api.gnome.org/ontology/v3/nco#";
   xmlns:nexif="http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#";>
 
 <xsl:output method="text" />
diff --git a/utils/ontology/rdfxml2servicesample.xsl b/utils/ontology/rdfxml2servicesample.xsl
index eb1e114d5..b8bdf2720 100644
--- a/utils/ontology/rdfxml2servicesample.xsl
+++ b/utils/ontology/rdfxml2servicesample.xsl
@@ -1,23 +1,23 @@
 <xsl:stylesheet version = '1.0'
      xmlns:xsl='http://www.w3.org/1999/XSL/Transform'
-  xmlns:nid3="http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#";
-  xmlns:nfo="http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#";
-  xmlns:nmo="http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#";
-  xmlns:nie="http://www.semanticdesktop.org/ontologies/2007/01/19/nie#";
+  xmlns:nid3="http://tracker.api.gnome.org/ontology/v3/nid3#";
+  xmlns:nfo="http://tracker.api.gnome.org/ontology/v3/nfo#";
+  xmlns:nmo="http://tracker.api.gnome.org/ontology/v3/nmo#";
+  xmlns:nie="http://tracker.api.gnome.org/ontology/v3/nie#";
   xmlns:exif="http://www.kanzaki.com/ns/exif#";
-  xmlns:nao="http://www.semanticdesktop.org/ontologies/2007/08/15/nao#";
+  xmlns:nao="http://tracker.api.gnome.org/ontology/v3/nao#";
   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#";
   xmlns:protege="http://protege.stanford.edu/system#";
   xmlns:dcterms="http://purl.org/dc/terms/";
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
-  xmlns:ncal="http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#";
+  xmlns:ncal="http://tracker.api.gnome.org/ontology/v3/ncal#";
   xmlns:xsd="http://www.w3.org/2001/XMLSchema#";
-  xmlns:nrl="http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#";
+  xmlns:nrl="http://tracker.api.gnome.org/ontology/v3/nrl#";
   xmlns:pimo="http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#";
   xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#";
   xmlns:tmo="http://www.semanticdesktop.org/ontologies/2008/05/20/tmo#";
   xmlns:dc="http://purl.org/dc/elements/1.1/";
-  xmlns:nco="http://www.semanticdesktop.org/ontologies/2007/03/22/nco#";
+  xmlns:nco="http://tracker.api.gnome.org/ontology/v3/nco#";
   xmlns:nexif="http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#";>
 
 <xsl:output method="text" />
diff --git a/utils/ontology/rdfxml2unittest_data.xsl b/utils/ontology/rdfxml2unittest_data.xsl
index ecd109ab8..a9698caaa 100644
--- a/utils/ontology/rdfxml2unittest_data.xsl
+++ b/utils/ontology/rdfxml2unittest_data.xsl
@@ -1,23 +1,23 @@
 <xsl:stylesheet version = '1.0'
      xmlns:xsl='http://www.w3.org/1999/XSL/Transform'
-  xmlns:nid3="http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#";
-  xmlns:nfo="http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#";
-  xmlns:nmo="http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#";
-  xmlns:nie="http://www.semanticdesktop.org/ontologies/2007/01/19/nie#";
+  xmlns:nid3="http://tracker.api.gnome.org/ontology/v3/nid3#";
+  xmlns:nfo="http://tracker.api.gnome.org/ontology/v3/nfo#";
+  xmlns:nmo="http://tracker.api.gnome.org/ontology/v3/nmo#";
+  xmlns:nie="http://tracker.api.gnome.org/ontology/v3/nie#";
   xmlns:exif="http://www.kanzaki.com/ns/exif#";
-  xmlns:nao="http://www.semanticdesktop.org/ontologies/2007/08/15/nao#";
+  xmlns:nao="http://tracker.api.gnome.org/ontology/v3/nao#";
   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#";
   xmlns:protege="http://protege.stanford.edu/system#";
   xmlns:dcterms="http://purl.org/dc/terms/";
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
-  xmlns:ncal="http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#";
+  xmlns:ncal="http://tracker.api.gnome.org/ontology/v3/ncal#";
   xmlns:xsd="http://www.w3.org/2001/XMLSchema#";
-  xmlns:nrl="http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#";
+  xmlns:nrl="http://tracker.api.gnome.org/ontology/v3/nrl#";
   xmlns:pimo="http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#";
   xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#";
   xmlns:tmo="http://www.semanticdesktop.org/ontologies/2008/05/20/tmo#";
   xmlns:dc="http://purl.org/dc/elements/1.1/";
-  xmlns:nco="http://www.semanticdesktop.org/ontologies/2007/03/22/nco#";
+  xmlns:nco="http://tracker.api.gnome.org/ontology/v3/nco#";
   xmlns:nexif="http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#";>
 <xsl:output method="text" />
 
@@ -44,23 +44,23 @@
 @prefix foaf: &lt;http://xmlns.com/foaf/0.1/&gt; .
 @prefix owl: &lt;http://www.w3.org/2002/07/owl#&gt; .
 @prefix xsl: &lt;http://www.w3.org/1999/XSL/Transform#&gt; .
-@prefix nid3: &lt;http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#&gt; .
-@prefix nfo: &lt;http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#&gt; .
-@prefix nmo: &lt;http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#&gt; .
-@prefix nie: &lt;http://www.semanticdesktop.org/ontologies/2007/01/19/nie#&gt; .
+@prefix nid3: &lt;http://tracker.api.gnome.org/ontology/v3/nid3#&gt; .
+@prefix nfo: &lt;http://tracker.api.gnome.org/ontology/v3/nfo#&gt; .
+@prefix nmo: &lt;http://tracker.api.gnome.org/ontology/v3/nmo#&gt; .
+@prefix nie: &lt;http://tracker.api.gnome.org/ontology/v3/nie#&gt; .
 @prefix exif: &lt;http://www.kanzaki.com/ns/exif#&gt; .
-@prefix nao: &lt;http://www.semanticdesktop.org/ontologies/2007/08/15/nao#&gt; .
+@prefix nao: &lt;http://tracker.api.gnome.org/ontology/v3/nao#&gt; .
 @prefix rdfs: &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
 @prefix protege: &lt;http://protege.stanford.edu/system#&gt; .
 @prefix dcterms: &lt;http://purl.org/dc/terms/&gt; .
-@prefix ncal: &lt;http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#&gt; .
+@prefix ncal: &lt;http://tracker.api.gnome.org/ontology/v3/ncal#&gt; .
 @prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
-@prefix nrl: &lt;http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#&gt; .
+@prefix nrl: &lt;http://tracker.api.gnome.org/ontology/v3/nrl#&gt; .
 @prefix pimo: &lt;http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#&gt; .
 @prefix geo: &lt;http://www.w3.org/2003/01/geo/wgs84_pos#&gt; .
 @prefix tmo: &lt;http://www.semanticdesktop.org/ontologies/2008/05/20/tmo#&gt; .
 @prefix dc: &lt;http://purl.org/dc/elements/1.1/&gt; .
-@prefix nco: &lt;http://www.semanticdesktop.org/ontologies/2007/03/22/nco#&gt; .
+@prefix nco: &lt;http://tracker.api.gnome.org/ontology/v3/nco#&gt; .
 @prefix nexif: &lt;http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#&gt; .
 
 <xsl:for-each select="rdfs:Class">
diff --git a/utils/ontology/rdfxml2unittest_query.xsl b/utils/ontology/rdfxml2unittest_query.xsl
index 6a55ccbbd..a1dae397c 100644
--- a/utils/ontology/rdfxml2unittest_query.xsl
+++ b/utils/ontology/rdfxml2unittest_query.xsl
@@ -1,23 +1,23 @@
 <xsl:stylesheet version = '1.0'
      xmlns:xsl='http://www.w3.org/1999/XSL/Transform'
-  xmlns:nid3="http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#";
-  xmlns:nfo="http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#";
-  xmlns:nmo="http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#";
-  xmlns:nie="http://www.semanticdesktop.org/ontologies/2007/01/19/nie#";
+  xmlns:nid3="http://tracker.api.gnome.org/ontology/v3/nid3#";
+  xmlns:nfo="http://tracker.api.gnome.org/ontology/v3/nfo#";
+  xmlns:nmo="http://tracker.api.gnome.org/ontology/v3/nmo#";
+  xmlns:nie="http://tracker.api.gnome.org/ontology/v3/nie#";
   xmlns:exif="http://www.kanzaki.com/ns/exif#";
-  xmlns:nao="http://www.semanticdesktop.org/ontologies/2007/08/15/nao#";
+  xmlns:nao="http://tracker.api.gnome.org/ontology/v3/nao#";
   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#";
   xmlns:protege="http://protege.stanford.edu/system#";
   xmlns:dcterms="http://purl.org/dc/terms/";
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
-  xmlns:ncal="http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#";
+  xmlns:ncal="http://tracker.api.gnome.org/ontology/v3/ncal#";
   xmlns:xsd="http://www.w3.org/2001/XMLSchema#";
-  xmlns:nrl="http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#";
+  xmlns:nrl="http://tracker.api.gnome.org/ontology/v3/nrl#";
   xmlns:pimo="http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#";
   xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#";
   xmlns:tmo="http://www.semanticdesktop.org/ontologies/2008/05/20/tmo#";
   xmlns:dc="http://purl.org/dc/elements/1.1/";
-  xmlns:nco="http://www.semanticdesktop.org/ontologies/2007/03/22/nco#";
+  xmlns:nco="http://tracker.api.gnome.org/ontology/v3/nco#";
   xmlns:nexif="http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#";>
 <xsl:output method="text" />
 
@@ -44,23 +44,23 @@
 @prefix foaf: &lt;http://xmlns.com/foaf/0.1/&gt; .
 @prefix owl: &lt;http://www.w3.org/2002/07/owl#&gt; .
 @prefix xsl: &lt;http://www.w3.org/1999/XSL/Transform#&gt; .
-@prefix nid3: &lt;http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#&gt; .
-@prefix nfo: &lt;http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#&gt; .
-@prefix nmo: &lt;http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#&gt; .
-@prefix nie: &lt;http://www.semanticdesktop.org/ontologies/2007/01/19/nie#&gt; .
+@prefix nid3: &lt;http://tracker.api.gnome.org/ontology/v3/nid3#&gt; .
+@prefix nfo: &lt;http://tracker.api.gnome.org/ontology/v3/nfo#&gt; .
+@prefix nmo: &lt;http://tracker.api.gnome.org/ontology/v3/nmo#&gt; .
+@prefix nie: &lt;http://tracker.api.gnome.org/ontology/v3/nie#&gt; .
 @prefix exif: &lt;http://www.kanzaki.com/ns/exif#&gt; .
-@prefix nao: &lt;http://www.semanticdesktop.org/ontologies/2007/08/15/nao#&gt; .
+@prefix nao: &lt;http://tracker.api.gnome.org/ontology/v3/nao#&gt; .
 @prefix rdfs: &lt;http://www.w3.org/2000/01/rdf-schema#&gt; .
 @prefix protege: &lt;http://protege.stanford.edu/system#&gt; .
 @prefix dcterms: &lt;http://purl.org/dc/terms/&gt; .
-@prefix ncal: &lt;http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#&gt; .
+@prefix ncal: &lt;http://tracker.api.gnome.org/ontology/v3/ncal#&gt; .
 @prefix xsd: &lt;http://www.w3.org/2001/XMLSchema#&gt; .
-@prefix nrl: &lt;http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#&gt; .
+@prefix nrl: &lt;http://tracker.api.gnome.org/ontology/v3/nrl#&gt; .
 @prefix pimo: &lt;http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#&gt; .
 @prefix geo: &lt;http://www.w3.org/2003/01/geo/wgs84_pos#&gt; .
 @prefix tmo: &lt;http://www.semanticdesktop.org/ontologies/2008/05/20/tmo#&gt; .
 @prefix dc: &lt;http://purl.org/dc/elements/1.1/&gt; .
-@prefix nco: &lt;http://www.semanticdesktop.org/ontologies/2007/03/22/nco#&gt; .
+@prefix nco: &lt;http://tracker.api.gnome.org/ontology/v3/nco#&gt; .
 @prefix nexif: &lt;http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#&gt; .
 
 <xsl:for-each select="rdfs:Class">
diff --git a/utils/ontology/rdfxmlsample.xsl b/utils/ontology/rdfxmlsample.xsl
index 947d659ae..3aea4808c 100644
--- a/utils/ontology/rdfxmlsample.xsl
+++ b/utils/ontology/rdfxmlsample.xsl
@@ -1,23 +1,23 @@
 <xsl:stylesheet version = '1.0'
      xmlns:xsl='http://www.w3.org/1999/XSL/Transform'
-  xmlns:nid3="http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#";
-  xmlns:nfo="http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#";
-  xmlns:nmo="http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#";
-  xmlns:nie="http://www.semanticdesktop.org/ontologies/2007/01/19/nie#";
+  xmlns:nid3="http://tracker.api.gnome.org/ontology/v3/nid3#";
+  xmlns:nfo="http://tracker.api.gnome.org/ontology/v3/nfo#";
+  xmlns:nmo="http://tracker.api.gnome.org/ontology/v3/nmo#";
+  xmlns:nie="http://tracker.api.gnome.org/ontology/v3/nie#";
   xmlns:exif="http://www.kanzaki.com/ns/exif#";
-  xmlns:nao="http://www.semanticdesktop.org/ontologies/2007/08/15/nao#";
+  xmlns:nao="http://tracker.api.gnome.org/ontology/v3/nao#";
   xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#";
   xmlns:protege="http://protege.stanford.edu/system#";
   xmlns:dcterms="http://purl.org/dc/terms/";
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";
-  xmlns:ncal="http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#";
+  xmlns:ncal="http://tracker.api.gnome.org/ontology/v3/ncal#";
   xmlns:xsd="http://www.w3.org/2001/XMLSchema#";
-  xmlns:nrl="http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#";
+  xmlns:nrl="http://tracker.api.gnome.org/ontology/v3/nrl#";
   xmlns:pimo="http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#";
   xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#";
   xmlns:tmo="http://www.semanticdesktop.org/ontologies/2008/05/20/tmo#";
   xmlns:dc="http://purl.org/dc/elements/1.1/";
-  xmlns:nco="http://www.semanticdesktop.org/ontologies/2007/03/22/nco#";
+  xmlns:nco="http://tracker.api.gnome.org/ontology/v3/nco#";
   xmlns:nexif="http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#";>
 <xsl:output method="text" />
 <xsl:template match="rdf:RDF">
diff --git a/utils/ontology/service2rdf-xml.py b/utils/ontology/service2rdf-xml.py
index e131aefc5..c385f74c2 100644
--- a/utils/ontology/service2rdf-xml.py
+++ b/utils/ontology/service2rdf-xml.py
@@ -57,24 +57,24 @@ def main():
      metadata.readfp(open(metadataf))
 
      print("<rdf:RDF")
-     print("  xmlns:nid3=\"http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#\"";)
-     print("  xmlns:nfo=\"http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#\"";)
-     print("  xmlns:nmo=\"http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#\"";)
-     print("  xmlns:nie=\"http://www.semanticdesktop.org/ontologies/2007/01/19/nie#\"";)
+     print("  xmlns:nid3=\"http://tracker.api.gnome.org/ontology/v3/nid3#\"";)
+     print("  xmlns:nfo=\"http://tracker.api.gnome.org/ontology/v3/nfo#\"";)
+     print("  xmlns:nmo=\"http://tracker.api.gnome.org/ontology/v3/nmo#\"";)
+     print("  xmlns:nie=\"http://tracker.api.gnome.org/ontology/v3/nie#\"";)
      print("  xmlns:exif=\"http://www.kanzaki.com/ns/exif#\"";)
-     print("  xmlns:nao=\"http://www.semanticdesktop.org/ontologies/2007/08/15/nao#\"";)
+     print("  xmlns:nao=\"http://tracker.api.gnome.org/ontology/v3/nao#\"";)
      print("  xmlns:rdfs=\"http://www.w3.org/2000/01/rdf-schema#\"";)
      print("  xmlns:protege=\"http://protege.stanford.edu/system#\"";)
      print("  xmlns:dcterms=\"http://purl.org/dc/terms/\"";)
      print("  xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"";)
-     print("  xmlns:ncal=\"http://www.semanticdesktop.org/ontologies/2007/04/02/ncal#\"";)
+     print("  xmlns:ncal=\"http://tracker.api.gnome.org/ontology/v3/ncal#\"";)
      print("  xmlns:xsd=\"http://www.w3.org/2001/XMLSchema#\"";)
-     print("  xmlns:nrl=\"http://www.semanticdesktop.org/ontologies/2007/08/15/nrl#\"";)
+     print("  xmlns:nrl=\"http://tracker.api.gnome.org/ontology/v3/nrl#\"";)
      print("  xmlns:pimo=\"http://www.semanticdesktop.org/ontologies/2007/11/01/pimo#\"";)
      print("  xmlns:geo=\"http://www.w3.org/2003/01/geo/wgs84_pos#\"";)
      print("  xmlns:tmo=\"http://www.semanticdesktop.org/ontologies/2008/05/20/tmo#\"";)
      print("  xmlns:dc=\"http://purl.org/dc/elements/1.1/\"";)
-     print("  xmlns:nco=\"http://www.semanticdesktop.org/ontologies/2007/03/22/nco#\"";)
+     print("  xmlns:nco=\"http://tracker.api.gnome.org/ontology/v3/nco#\"";)
      print("  xmlns:nexif=\"http://www.semanticdesktop.org/ontologies/2007/05/10/nexif#\";>")
 
      print("")


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