PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Sierra Club, the Natural Resources Defense Council and other environmental activist groups have been lobbying the EPA for even stricter rules for hexavalent chromium use.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pfonline.com