PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The valve is designed to provide functional safety to energy delivery and production equipment to pipeline operators in the oil and gas, petrochemical and other process industries.
http://www.w3.org/ns/prov#wasQuotedFrom
  • environmentalleader.com