PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A bioretention system and method are provided for removing phosphorus, nitrogen and other materials from effluent such as wastewater and stormwater.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com