PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Nonetheless, subject pronouns are almost always dropped in commands (e.g., Come here); and in informal speech, pronouns and other words, especially copulas and auxiliaries, may sometimes be dropped, especially from the beginnings of sentences: [Have] you ever been there? or [Have you] ever been there?
http://www.w3.org/ns/prov#wasQuotedFrom
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