PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ethanol, produced mainly from sugarcane and corn, accounts for more than 90 percent of the world???s total biofuel production.
http://www.w3.org/ns/prov#wasQuotedFrom
  • realclimate.org