PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • factors internal to language, such as the problem of resolving indexical or anaphora (e.g. this x, him, last week).
http://www.w3.org/ns/prov#wasQuotedFrom
  • gis.com