PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • More rural communities are finding their local water supplies to be contaminated with industrial or agricultural pollutants like nitrates, perchlorate, hexavalent chromium, or other contaminants that are un- or inadequately regulated.
http://www.w3.org/ns/prov#wasQuotedFrom
  • typepad.com