PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • So, the amount of water needed to frack a well is significantly less than the amount needed for some other uses, such as residential use.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rigzone.com