Hi, A lot of different properties are used in the reference "space" but 'reference URL' and 'stated in' are the two main one. The third important is ' imported from Wikimedia project' whi is the most used but it's not a real reference per se (more a token for tracability). Then there is a lot of property to precise the reference (like 'page(s)' P304 or 'retrieved' P813 for the mosts common). Finally, there is probably a lot of errors or mistake.
In a nutshell, you can safely assume that only the property 'stated in' matters. Cheers, ~nicolas PS: I tried to do a SPARQL to see which properties is used but it timesOut :/ Le lun. 20 janv. 2020 à 12:26, Gabriel Maia <[email protected]> a écrit : > Hello Everyone, > > My name is Gabriel, I'm a Ph.D. student who's trying to research the > relevance/quality of internal references in Wikidata (non-external URLs). > > My first objective is to locate these references, and for that I wanted to > ask you all for help. > > Here <https://www.wikidata.org/wiki/Help:Sources>, it is mentioned that > sources come normally either if the 'reference URL' property (I assume for > external references) or the 'stated in' property (I assume for internal > references). > > So, my question is, apart from the 'stated in' property, what other > properties are used for internal references? > > My goal is to parse these references, match them with their claims and > see, for each claim-reference pair, how relevant is the reference. > > Thank you! > > Kind regards, > > > *Gabriel Maia <http://gabrielmaia7.github.io/>Data Scientist and > Researcher* > [email protected] | +44 7472 546312 > [image: https://facebook.com/maiarocg] <https://facebook.com/maiarocg> [image: > https://www.linkedin.com/in/maiarocg] > <https://www.linkedin.com/in/maiarocg> <https://twitter.com/maiarocg> > _______________________________________________ > Wikidata mailing list > [email protected] > https://lists.wikimedia.org/mailman/listinfo/wikidata >
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