On 3/18/17 6:15 PM, Daniel Kinzler wrote: > Am 18.03.2017 um 22:48 schrieb Bob DuCharme: >> New question: when I see that >> https://www.wikidata.org/wiki/Special:EntityData >> says "This page provides a linked data interface to entity values", can you >> tell >> me what "entity" means in the context of Wikidata? If I was going to refer to >> something that can be identified with a URI and described by triples in >> which it >> is the subject, I would just use the term "resource" as described at >> https://www.w3.org/TR/rdf11-concepts/#resources-and-statements (and >> remembering >> what "RDF" stands for!) so I'm guessing that "entity" means something a >> little >> more specific than that here. > The Wikidata (or technically, Wikibase) data model is not defined in terms of > RDF. Have a look at the primer > <https://www.mediawiki.org/wiki/Wikibase/DataModel/Primer> and the spec > <https://www.mediawiki.org/wiki/Wikibase/DataModel>. > > Entitites are the top level elements of Wikidata. There are currently two > kinds: > Items (things or concepts in the world) and Properties (attributes for > describing Items and other entities). > > Wikibase Entities are certainly Resources in the RDF sense, but so are some of > the more fine grained components of the Wikibase model, such as Statements and > References. You can find the OWL file for the RDF binding of Wikibase at > <http://wikiba.se/ontology>.
Daniel, I see Wikidata is a collection of reified RDF Statements. I don't see how this model differs from RDF's model. It just so happens (in my eyes) that Wikidata includes description of statements about things which provides rich metadata, in line with the goals of Wikidata. -- Regards, Kingsley Idehen Founder & CEO OpenLink Software (Home Page: http://www.openlinksw.com) Weblogs (Blogs): Legacy Blog: http://www.openlinksw.com/blog/~kidehen/ Blogspot Blog: http://kidehen.blogspot.com Medium Blog: https://medium.com/@kidehen Profile Pages: Pinterest: https://www.pinterest.com/kidehen/ Quora: https://www.quora.com/profile/Kingsley-Uyi-Idehen Twitter: https://twitter.com/kidehen Google+: https://plus.google.com/+KingsleyIdehen/about LinkedIn: http://www.linkedin.com/in/kidehen Web Identities (WebID): Personal: http://kingsley.idehen.net/dataspace/person/kidehen#this : http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this
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