PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • U.S. government research laboratories may indeed have been involved in technologies such as fracking and directional drilling, but these technologies were first developed in the private sector.
http://www.w3.org/ns/prov#wasQuotedFrom
  • financialpost.com