PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Everyone is nervous about the disposal of frack fluids, which is really not the part they should be excessively concerned with ??? such is a problem for most any well.
http://www.w3.org/ns/prov#wasQuotedFrom
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