PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Congress has revised the Act, most notably in 1987, where it established a comprehensive program for controlling toxic pollutants and stormwater discharges, directed states to develop and implement voluntary nonpoint pollution management programs, and encouraged states to pursue groundwater protection.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com