Not sure either it's writeable as punning imply to treat the
class/individual as different things ...
tried to dig if it is possible in SWRL (see
http://dior.ics.muni.cz/~makub/owl/ for example), seems not so easy either,
found this topic on
semanticweb.com (google cache
<http://webcache.googleusercontent.com/search?q=cache:dAcXbpivQJoJ:answers.semanticweb.com/questions/26553/property-chains-or-swrl-rules-with-subclassof-and-type+&cd=1&hl=fr&ct=clnk&gl=fr&client=iceweasel-a>,
the site seems down ATM, original URL : swrl rules with subclass of and type
<http://answers.semanticweb.com/questions/26553/property-chains-or-swrl-rules-with-subclassof-and-type>)
which is related to the problems I faced and seem to imply it needs to be
done in SPARQL.
Happy Q11269 either ;)
2014-12-31 14:59 GMT+01:00 Emw <emw.wiki(a)gmail.com>om>:
Automobile (Q1420) had the claims [1]:
*subclass of* motor road vehicle
*instance of* motor road vehicle
That was incorrect. An instance of motor road vehicle is something like
the Peekskill Meteorite Car (Q7756463) [2].
It is generally incorrect when an item has *instance of* and *subclass of*
claims with the same value. I am not aware of a Wikidata constraint
template which can encode that rule. (Off hand I'm not sure how it would
be encoded in OWL, either. Ontology experts: how would we do that?)
If we wanted use both *instance of* and *subclass of* in automobile, then
we would need to do something like:
*subclass of* motor road vehicle
*instance of* motor road vehicle class
In my opinion, *instance of* claims like that are not very useful,
because they simply restate what is directly implied in the *subclass of*
claim. Punning that is not a mere rephrasing can be useful, e.g. Chevrolet
Malibu (Q287723) [3] *"subclass of* mid-size car, *instance of* car
model".
See also Markus's comment from September about using *subclass of* and *instance
of* in the same item, which conveniently also discusses automobiles [4].
Happy Q11269!
Eric
https://www.wikidata.org/wiki/User:Emw
1.
https://www.wikidata.org/w/index.php?title=Q1420&oldid=184512429#P279
2.
https://www.wikidata.org/wiki/Q7756463
3.
https://www.wikidata.org/wiki/Q287723
4.
https://lists.wikimedia.org/pipermail/wikidata-l/2014-September/004649.html
_______________________________________________
Wikidata-l mailing list
Wikidata-l(a)lists.wikimedia.org
https://lists.wikimedia.org/mailman/listinfo/wikidata-l