PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, it is conventionally known that NO is a free radical, has a very short half life and is fast quenching.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk