PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If humanity were to use cellulose ethanol to match all of our present global oil usage (85 m barrels/day), we would need to cut down the vegetation every year from about 10% of all land including ice caps, deserts and mountain tops.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oilcrisis.com