On Sun, Feb 20, 2011 at 3:33 PM, simon hong <
simon hong81 gmail com> wrote:
> Hi,
> In these days, I'm trying to use tracker-miner-rss.
> I tried Tracker-based feed reader (
http://phidias.barberaware.org/ ), but
> sadly, it cannot build with latest tracker libraries.
> I want to write tracker-feed utility to manage feed information for
> tracker-miner-rss, but currently I don't have enough knowledge about tracker
> system and rdf ontology.
> So, I wrote ttl file to insert feed information for tracker-miner-rss.
> ===== ttl file contents - start ======
> @prefix nie: <
http://www.semanticdesktop.org/ontologies/2007/01/19/nie#>.
> @prefix mfo: <
http://www.tracker-project.org/temp/mfo#>.
> <nytimes> a nie:DataObject, mfo:FeedChannel;
> mfo:feedSettings <nytimesSettings>;
> nie:url "
http://feeds.nytimes.com/nyt/rss/Americas";
> nie:title "nytimes - Americas" .
> <nytimesSettings> a mfo:FeedSettings;
> mfo:updateInterval 1 .
> ====== ttl file contents - end =======
> After I import this file by using tracker-import, I could confirm by the
> same sparql query in tracker-miner-rss.
> tracker-sparql -q "SELECT ?chanUrl ?interval ?chanUrn WHERE{?chanUrn a
> mfo:FeedChannel . ?chanUrn mfo:feedSettings ?settings . ?chanUrn nie:url
> ?chanUrl . ?settings mfo:updateInterval ?interval}"
> tracker-query outputs
> Results:
>
http://feeds.nytimes.com/nyt/rss/Americas, 1, nytimes
> After this import, I run "/usr/local/libexec/tracker-miner-rss"
> And, It is dead by segmentation fault.
> This is the output tracker-miner-rss.
> ======= tracker-miner-rss output - start ========
> Starting log:
> File:'/home/simon/.local/share/tracker/tracker-miner-rss.log'
> (tracker-miner-rss:28218): GLib-GObject-WARNING **: invalid cast from
> `TrackerSparqlBackend' to `TrackerMinerRSS'
> (tracker-miner-rss:28218): GLib-GObject-WARNING **: invalid cast from
> `TrackerSparqlBackend' to `TrackerMiner'
> Segmentation Fault
> ======= tracker-miner-rss output -end =========
> Am I wrong to use tracker-miner-rss or my ttl file?
> I want to use tracker-miner-rss, but it is difficult to me.
> Please give any advices.
> Thank you.
> Simon.
>
> 2011/1/31 Martyn Russell <
martyn lanedo com>
>>
>> On 25/01/11 14:57, Roberto Guido wrote:
>>>
>>> On Tue, 2011-01-25 at 23:33 +0900, simon hong wrote:
>>>>
>>>> When I want to add feed adsress, shoud I update feed address in
>>>> tracker store by using tracker-sparql?
>>>> Is this right?
>>>>
>>> Yes, it is. All managed feeds are mapped in tracker-store with MFO
>>> ontology, no other configurations are involved.
>>>
>>> Some time ago I started a project for a Tracker-based feed reader
>>> (
http://phidias.barberaware.org/ ), but as many other things I had
>>> noTracker-based feed reader
>>> time to maintain and evolve it. My TODO list is too long :-\
>>> In that package you find feeds-manager, a graphical tool to admin feeds
>>> mapped in tracker-store (add, remove, change attributes...): I'm unsure
>>> it is yet aligned with current version of Tracker's API, try it and if
>>> it doesn't works we can try to fix it.
>>
>> Actually, it is interesting you mention this, I would like to improve the
>> way feeds are used with the tracker utils perhaps. I agree, we have a miner,
>> but it is not obvious how that miner works or how to get your feeds into it.
>> Perhaps tracker-feed (a new utility) should be written to test and allow
>> simple administration of this?
>>
>> Any takers?
>>
>> --
>> Regards,
>> Martyn
>
>
