PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Methane and other chemicals that seep out in the process will wind up in air and surface water such as farm ponds, streams and rivers that provide irrigation for livestock and crops.
http://www.w3.org/ns/prov#wasQuotedFrom
  • darethefuture.org