PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Shell's preliminary drilling in the Arctic in 2012 was overshadowed with problems, including a grounded drilling rig, violations of air pollution limits, engine failures on a tow ship and an oil spill containment system damaged during testing, the Anchorage Daily News reports.
http://www.w3.org/ns/prov#wasQuotedFrom
  • upi.com