Aaron puts it very nicely.
Whatever information zeitgeist loggers store in the zeitgeist database in KDE 
it should be put into Nepomuk using a nice ontology. then this information can 
be used by any other nepomuk enabled application and Zeitgeist can also use 
other information than only the usage times.

I am happy to help with it.

Cheers,
Sebastian

On Saturday 27 June 2009 22:35:12 Aaron J. Seigo wrote:
> On Saturday 27 June 2009, Shane Fagan wrote:
> > Well we have our own semantic framework ish. We're using a sqlite
> > database to store file metadata and that we plan on adding support for
> > tracker's RDF store in the future. Nepomuk kinda does something similar
> > to zeigeist I think.
>
> the Nepomuk ontologies and query system are being standardized and will be
> replacing the role(s) that xesam was trying to fill. it's rather complete
> system (from the semantics side of things) and has a _lot_ of work put into
> it by a number of very dedicated and knowledgeable individuals. KDE is
> already been instrumenting several of our applications to feed into
> Nepomuk, not least of which is akonadi fro PIM
> (email/calendaring/contacts/etc). if it all possible, it would be great to
> zeitgeist be able to work with the Nepomuk ontologies and stores.
>
> that said, it'd be pretty cool to see a zeitgeist widget written in Qt/KDE.
> so to your original question:
>
> "I was wondering where I should start in making the widget so I thought id
> ask."
>
> from a UI POV, you could dive in with PyQt/PyKDE (iirc zeitgeist is written
> in Python, correct?) and should be able to get up and going in very little
> time.
>
> if you would like a place to house it, we can certainly get you svn access,
> though i imagine it could be hosted with the rest of zeitgeist even easier.
>
> as for loggers ... that will be a bit more complicated i think as it will
> really require instrumenting a large number of applications, each with
> their own internals. this is, in part, why we chose to go with Nepomuk: it
> gives us a common target, it's platform neutral, it's a complete solution
> that others can also tap into and it is the result of an EU funded project
> so there's good science behind it.
>
> i would guess that it's much, much less work (and far more likely to
> succeed with upstream) to simply allow Zeitgeist to use Nepomuk stores than
> it would be to go around and write loggers for enough applications for it
> to be interesting to use. you can then just let the app devs provide
> support for their own apps via Nepomuk :)

 
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