PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are detractors that say the shale gas depletes too fast and the boom is an illusion.. so far it does not appear illusory..
http://www.w3.org/ns/prov#wasQuotedFrom
  • siliconinvestor.com