PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • the most practical and accurate surveying equipment is necessary. (2) Application of the existing standard would result in a diminution of safety to the miners.
http://www.w3.org/ns/prov#wasQuotedFrom
  • msha.gov