PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Oil refineries and chemical plants have discharged ammonia, phenol, sulfides, heavy metals such as zinc and lead, and other chemicals into the river.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tshaonline.org