PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • U.S. Pat. No. 5,264,118 entitled ???Pipeline Conditioning Process for Mined Oil-Sand??? and the references therein for more detailed background information on the types of equipment and methods sought to be applied in the field.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com