PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The flows and cycles of energy, carbon, nitrogen and other materials, and the systems that undergird the earth???s functions are also quickly changing.
http://www.w3.org/ns/prov#wasQuotedFrom
  • arcadenw.org