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Product Types Ontology
The Product Types Ontology provides GoodRelations-compatible OWL DL class definitions for ca. 300,000 types of product or services that have an entry in the English Wikipedia -
Schemapedia: RDF schema compendium
A compendium of RDF schemas and vocabularies, including various metadata and examples. -
Pleiades
Pleiades is a gazetteer for ancient world studies operated by NYU's Institute for the Study of the Ancient World and supported by the US National Endowment for the Humanities....