PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Exxon Mobil is a manufacturer and marketer of commodity petrochemicals, including olefins, aromatics, polyethylene and polypropylene plastics, and a range of specialty products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cheatsheet.com