Mikkel Kamstrup Erlandsen wrote:
Yes. I invited the lead dev of all desktop search projects I could dig up. If my memory serves my well they include: Tracker, Beagle, Strifi, Pinot, Recoll, GLSCube, and Nepomuk. If I missed something then please help me out :-) (I didn't contact Microsft or Apple as I heard they where hacking on their own toy projects). Everybody replied open mindedly. Needless to say they want something more concrete before saying anything final.
There was this thing:
http://www.gnome.org/~seth/storage/
which I suspect is long dead, but might be worth looking at for ideas...