PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cellulose is what plants are made of -- and breaking it up into ethanol and other fuels could help forests, prairie grasses and agricultural waste become energy producers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nwsource.com