PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is believed that prevention of permeability loss caused by swelling and/or migrating clays and other fines is the best method of insuring continued production of a well.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com