PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Google has pioneered the use of power purchase agreements for wind energy to provide electricity for its services, including Gmail and YouTube.
http://www.w3.org/ns/prov#wasQuotedFrom
  • justmeans.com