PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I further propose that since knowledge is an evolutionary process, ranking and scoring should also be able to consider context of content: e.g. Has the answer become obsolete in the face of a new answer?.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stackoverflow.com