[Nepomuk] Re: Need some advices about PIMO:Person

[Martin Klapetek]

On Wed, Jul 20, 2011 at 14:13, Sebastian Trueg <trueg at kde.org> wrote:

> Hi Martin,
>
> On 07/19/2011 07:46 PM, Martin Klapetek wrote:
> > Hi,
> >
> > I'm working on a GSoC project which implements a proper PIMO:Person
> > creation from PIM data. However I'm facing some issues about which I
> > could use some advices.
> >
> > 1) How to set a photo for PIMO:Person?
> > There may be several NCO:PersonContacts with their own photos, I can
> > pick just one (or let the user choose), but what ontology etc. should I
> > use to store the photo in?
>
> I figured we already discussed that. The idea we had was to use
> nao:prefSymbol and nao:Symbol. To that end I even improved the
> documentation of the two[1].
> There are basically 2 ways to do this (in general, for your case it will
> probably always be the second one):
> 1. Use a freedesktop icon via nao:FreedesktopIcon and nao:iconName
> 2. Use double-typing by adding type nao:Symbol to a nfo:RasterImage
> which is stored on disk (nfo:FileDataObject) or on the web
> (nfo:RemoteDataObject or the upcoming nfo:WebResource[2]).
>

Well yes, we started discussing it but it was right before you had to leave,
so we never actually got to it :) So if I got it right, I need a resource
with types nao:Symbol and nfo:RasterImage, which will hold property with the
image url and then add this resource to Person with nao:prefSymbol, right?



> > 2) How to pick "the right data"?
> > For example address. Imagine you have three NCO:PersonContacts as a
> > grounding occurence in PIMO:Person and all three have different
> > addresses. We must again choose one as the "main/default" address, but
> > how should I write that into PIMO:Person? Same with emails, phones etc.
> > Of course I can simply pick the address from the first NCO:PersonContact
> > in the result set, but that may be the wrong one. What do you think?
>
> IMHO use pimo:groundingOccurrence vs. pimo:occurrence. But maybe Leo can
> shed some more light here since he created PIMO.
>

So pimo:occurence for everything and pimo:groundingOccurence for the
"default" data? But that doesn't really work, because think of three
properties - email, phone and an address. Each one of these is a separate
NCO:PersonContact. So they should all be pimo:groundingOccurence then, but
if for example the NCO:PersonContact for address have also email, we're
doomed.

Btw. when reading the PIMO guide [3], it says on page 31 to copy all
identifiers. Do I understand it correctly that it should copy all
identifiers from new NCO:PersonContact into PIMO:Person (and should I do
that too)? This seems like an unnecessary data duplication.

Marty K.
[3] -
http://www.semanticdesktop.org/ontologies/2007/11/01/pimo/v1.1/pimo_v1.1.pdf


[1] https://sourceforge.net/apps/trac/oscaf/ticket/107
> [2] https://sourceforge.net/apps/trac/oscaf/ticket/105
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