PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It will focus on manufacturing catalysts that can remove dangerous nitrogen oxides as well as particulates and hydrocarbons from the engine exhaust of diesel vehicles such as buses and trucks.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemweek.com