PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Evidence from the US suggests that the maintenance of well integrity, including post operations, and appropriate storage and management of fracking fluids and wastes are important factors in controlling risks.
http://www.w3.org/ns/prov#wasQuotedFrom
  • waterworld.com