PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The rules are likely to include many of the recommendations made in a report Salazar released in May, including requirements that rigs certify that they have working blowout preventers and standards for cementing wells.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wbrz.com