PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Various solutions to this problem have been sought, including attempts to arrive at a clean burning cartridge that does not provide contaminants, and attempts to design a filter to remove the contaminants from the high temperature gas path before the gas acts on the piston actuated devices.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com