PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • John Larson, vice president of HIS Global Insight, raised the issue of whether permitting activity was an imperfect measure of activity, and if other data such as wells spudded and drilled were more accurate ways to measure activity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rigzone.com