PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An idiom is a group of words established by usage as having a meaning not deducible from those of the individual words (e.g., raining cats and dogs).
http://www.w3.org/ns/prov#wasQuotedFrom
  • dailykos.com