Hi Cord, We do not have such a property for various reasons but historically because of fear of extra vandalism (which I don't completely agree with), difficulty with adding references to support the statement claims (I agree that's hard and why certified_as is being discussed below and why P4968 was added to help), and other reasons.
I would suggest to look at the following Property proposals: https://www.wikidata.org/wiki/Wikidata:Property_proposal/certified_as https://www.wikidata.org/wiki/Wikidata:Property_proposal/ESCO_Skill as well as: https://www.wikidata.org/wiki/Property:P4968 https://www.wikidata.org/wiki/Property:P1576 https://www.wikidata.org/wiki/Property:P101 https://www.wikidata.org/wiki/Property:P106 https://www.wikidata.org/wiki/Property:P8258 https://www.wikidata.org/wiki/Property:P2650 I think your closest ally to help with an immediate problem would be to reframe it as "this person -> interested in P2650 <https://www.wikidata.org/wiki/Property:P2650> -> food toxicology" with the idea that they not only interested but also skilled or specialized in some field of study or area of research" It's about the best you can do for now...but perhaps the other listed properties above help you more depending on the context. For instance, a prominent notable professor or researcher can be said to be "skilled" in "ancient history" but it is more likely their "field of work" or "field of training" is in "ancient history". For languages, you can already use languages spoken, written or signed P1412 <https://www.wikidata.org/entity/P1412> and native language P103 It's always best to look at the properties for this type P1963 <https://www.wikidata.org/wiki/Property:P1963> on any particular entity type, such as looking and scrolling down on Q5 human <https://www.wikidata.org/wiki/Q5> or Q901 scientist <https://www.wikidata.org/wiki/Q901> which already lists many of those properties above. Whatever is in properties for this type <https://www.wikidata.org/wiki/Property:P1963> is further used as a dropdown statement hint and its based on if you apply a instance of <https://www.wikidata.org/wiki/Property:P31> statement and fill in a more specific type for a person, like saying this person is an instance of chess player <https://www.wikidata.org/wiki/Q10873124>, or scientist <https://www.wikidata.org/wiki/Q901>, or politician <https://www.wikidata.org/wiki/Q82955>. Thad https://www.linkedin.com/in/thadguidry/ On Fri, Oct 9, 2020 at 12:59 PM Wiljes, Cord <cord.wil...@uni-bielefeld.de> wrote: > Dear Wikidata community, > > > > I am looking for a property to encode the skills (or expertise) that a > person has, e.g. “C programming”, “ancient history”, “French”, “Ballroom > dancing”. At best, it should be possible to add a qualifier for the skill > level, e.g. “beginner”, “advanced”, “expert”. I have been looking for such > a property on the properties page ( > https://www.wikidata.org/wiki/Wikidata:List_of_properties) but could not > find one. > > > > Maybe there is a more general solution - like using “significant person” > qualified by “object has role” + “friend” to denote “hasFriend”? > > > > Best wishes, > > Cord > > > > ----- > Cord Wiljes > > https://www.wikidata.org/wiki/User:Wiljes > _______________________________________________ > Wikidata mailing list > Wikidata@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/wikidata >
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