PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Periods of (Q+nP) and (Q+kP) where n is an integer and k=1/n are also suggested.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca