PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The U.S. Navy drilled the Seabee No. 1, deeper test well in the region, in 1979, after which the region remained unexplored except for some seismic over the past decade.
http://www.w3.org/ns/prov#wasQuotedFrom
  • petroleumnews.com