PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The original and most common problem modelled is ad hoc retrieval: the situation in which an information retrieval system is presented with a previously unseen query.
http://www.w3.org/ns/prov#wasQuotedFrom
  • informationr.net