PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If n is 1, it indicates the normal mode, and if n is a value that is not 1, a reduced rate mode such as ??? rate or ??? rate is defined.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com