PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Its huge network holds a connection to the most promising natural gas fields in the United States, including the Marcellus and Haynesville shales.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fool.com