PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Throughout this process, large amounts of highly toxic acids, heavy metals and other chemicals are emitted into the air that people breathe, and which leak into surface and ground water that villagers rely on this for irrigation of their crops and for drinking water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • doorsofperception.com