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List:       kde-devel
Subject:    Re: zeitgeist for KDE
From:       "Aaron J. Seigo" <aseigo () kde ! org>
Date:       2009-06-27 20:35:12
Message-ID: 200906271435.13707.aseigo () kde ! org
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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 :)

-- 
Aaron J. Seigo
humru othro a kohnu se
GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA  EE75 D6B7 2EB1 A7F1 DB43

KDE core developer sponsored by Qt Software


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