PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The technologies were ???being used in Texas in the Barnett Shale and places like that, often in gas, but we thought there was an opportunity to use it in oil up here,??? Mr. Rae said. ???And the Saskatchewan government ??? I???ll give them credit ??? were the ones who encouraged horizontal drilling.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • financialpost.com