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Wikidata is already modeled in RDF: https://www.mediawiki.org/wiki/Wikibase/Indexing/RDF_Dump_Format https://www.mediawiki.org/wiki/Wikibase/Indexing/RDF_Dump_F

• zozbot234 3y ago
  Yes but there are significant restrictions as to what can be expressed there - it's limited to assertions of the form 'well-known entity X has pre-defined property P with value Y (or "some value" or "no value"), with one further layer of "qualifiers"'. RDF itself is fully compositional, and RDF* extends that compositionality even further, providing a standard means to reify arbitrary RDF statements and make complex assertions about them.