[nepomuk-kde] Plasma activities and Nepomuk

[Marco Martin]

On Saturday 08 August 2009, Hari krishna Anandhan wrote:
> Hi all,
>
> 2009/8/4 Ivan Čukić <ivan.cukic+kde at gmail.com>:
> > The reason I started this topic now is that we are approaching Tokamak 3
> > (meeting of Plasma developers / hackaton) and I intend to work on d-bus
> > interface and the nepomuk stuff.
>
> Ivan, I would like to clear up something here: I understand that when
> you are saying context, you mean the Activities the user is doing.
> But, in true semantic sense, there can be a lot of other contexts
> also. So, to keep things clear for both the sides, I would request to
> use the word 'ActivityContext' whenever 'Activities' are intended ;)
>
> And, as per our discussions in nepomuk, we haven't yet finalised how
> ActivityContext is to be represented. Previously we were thinking of
> using a dedicated ontology for it. But, now we are thinking more in
> the lines of extending the PIMO to use it. Nothing is final yet...
>
> As Sebastian Kügler says, ActivityContext could be minimally
> represented as a user-given name, a QString.
> But, I think we might also need a activity type (personal work,
> official work, code development, leisure, academic work, community
> work, anonymous, etc). If there is no type, how will you differentiate

would this types something static or just strings given by the user?
i fear if it's something static, while it's something that has a more clear 
semantic value could be something too rigid that won't be used that much in 
the end?

> between the different activities to show diff things as in the
> usecases you have given...
>
> > Use-cases:
> >  - When John switches to the /work/ activity, he wants the favourites in
> > Kickoff/KMenu/Lancelot/Raptor/... to be the applications related to work.
> >  - When Eric switches to the /internet/ activity, he wants the file
> > open/save dialogue to contain 'Downloads', 'Pictures' etc. folders in the
> > places side- panel.
> >  - Terry starts KDevelop to work on his project. The rest of the
> > environment switches to /kde development/ activity.
>
> These usecases perfectly align with what we have in mind...
> Now, all we have to do is to brainstorm on the types of activities
> that might be applicable ;)
>
> On Tue, Aug 4, 2009 at 2:55 AM, Leo Sauermann<leo.sauermann at dfki.de> wrote:
> > here is the open source reference implementation, ontologies,
> > documentation, and community site:
> > http://usercontext.opendfki.de/
> > http://lists.opendfki.de/cgi-bin/mailman/listinfo/usercontext
> > http://dev.nepomuk.semanticdesktop.org/wiki/UserWorkContext
>
> Leo, the contexts discussed there are more in line with 'Gnome
> Zeitgeist', where the actual user operations (called NOPs in nepomuk)
> are tracked. But, as per what we have agreed earlier, for the first
> phase of implementation, we are looking at a more higher-level 'User
> Activity', which spans multiple apps or applets the user might use to
> do his specific activity. I am sure we will cover NOPs at a later
> phase, but for a start, let us just stick to ActivityContext at a
> higher level. I think the plasma team is also thinking in those lines
> ;)
>
> On Sun, Aug 2, 2009 at 4:31 AM, Sebastian Kügler<sebas at kde.org> wrote:
> >> the big requirements we have in plasma is the ability to have a named
> >> "context" that can be associated with locations, people, documents ...
> >
> > projets, tasks, time periods, ... :)
>
> All these are planned to be included in ActivityContext. But, as we
> would like to evolve the ontology over time with real-life usage
> (instead of long discussions over the actual structure of the
> ontology), we would like to start with the bare minimum required to
> represent an ActivityContext and actually implement it before we start
> adding other things...
>
> So, here is what might be the minimum required to represent
> ActivityContext: - Activity name (given by user)
> - Activity Type
>
> Anything else needed ?
>
> PS: I am now in both Plasma and Nepomuk-kde mailing lists. So, no need
> to keep CCing me ;)
>
> Cheers,
> Hari
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-- 
Marco Martin