PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Manure contains an array of contaminants, including E. coli, phosphorus and nitrogen, that can harm public waterways and drinking water. ???
http://www.w3.org/ns/prov#wasQuotedFrom
  • grist.org