On Tue, Aug 19, 2014 at 5:59 PM, Markus Krötzsch <
[email protected]> wrote:
> I guess it is related, yes. Although currently I am first focussing on
> efficient query answering -- inference will come after that :-) Whether one
> stores the results in a database or not is an implementation detail, btw.,
> that is maybe not essential for a user.
>
Ok, ok, no hurries :-)
Oh, and of course all of this seems to be rather off-topic for the current
> subject "Commons Wikibase" :-) All that is relevant there has already been
> said I guess ("many categories could be expressed by queries to improve
> results; a gentle, community-led transition will be possible and preferred;
> categories won't be switched off just because Wikidata is switched on").
Actually I have one last question :) At the moment Gerard is using "is a
list of:<value>" on category item pages which has the effect of being the
inverse of "instance of". And then he adds further conditions as
qualifiers, see:
https://www.wikidata.org/wiki/Q6562
While this method of works for simple categories, more complex ones would
be hard to model using this method, like
https://www.wikidata.org/wiki/Q8380098
I was thinking of modelling it like:
<Category:Discoverers of extrasolar planets> is a list of <human>
<Category:Discoverers of extrasolar planets> has items used as value of
<discoverer>
Of course it would require to have a link between the item "discoverer" and
the property "discoverer", but would that make sense?
Thanks,
Micru
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