PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This gasification process chemically changes the trash to synthetic gas, or syngas, a combination of mostly carbon monoxide and hydrogen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cnet.com