PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If a rock is a stone, then why do you need to specify that a piece of a rock is a stone?
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com