PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They found the failure was especially acute when answers were semantically linked to questions -- for example, when a question about the war on drugs is parried by an answer about health care.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com