Re: [Wikidata-l] subclass-of vs. instance-of

2015-01-03 Thread apoh...@o2.pl
Hi everybody, while I understand that there are cases, where it is not the best idea, at least at the data entry point, to decide if something is a class or an individual, like in the case of car brands, models, etc. I don't understand why the obvious individuals, such as (instances) of

Re: [Wikidata-l] subclass-of vs. instance-of

2014-12-31 Thread Thomas Douillard
Hi, both instance and subclass is possible, see https://www.wikidata.org/wiki/Help:Item_classification This has been a subject of dispute though, but this is a powerful tool, allowed by standards like OWL2 through punning 2014-12-30 22:35 GMT+01:00 Federico Leva (Nemo) nemow...@gmail.com:

Re: [Wikidata-l] subclass-of vs. instance-of

2014-12-31 Thread Emw
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

Re: [Wikidata-l] subclass-of vs. instance-of

2014-12-31 Thread Thomas Douillard
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

[Wikidata-l] subclass-of vs. instance-of

2014-12-30 Thread james
Having followed Freebase and the announcement about migrating to Wikidata, I'm trying to get up to speed on the structure of Wikidata. I read on the site that relationships such as subclass-of and instance-of are managed by everyone. Looking at automobile (Q1420) I see that it is both