PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The distinction between proper and common seems mostly semantic rather than lexical, although it has a certain, limited, effect on word usage (e.g. allowing the dropping of articles in English), and therefore belongs in the definition line (much as transitivity in the case of verbs); in most cases, however, it is obvious whether the noun in question is proper or not
http://www.w3.org/ns/prov#wasQuotedFrom
  • wiktionary.org