PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Environmental activists are concerned that industrial solvents and other chemicals are being pumped underground near drinking water sources, but the industry insists the practice is safe and well regulated.
http://www.w3.org/ns/prov#wasQuotedFrom
  • acs.org