PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Bio-fuels such as ethanol are also largely hydrogen compounds, with a chemical formula of C2H6O. Ethanol, biodiesel, and other petroleum substitutes are refined from plant products such as soybean or palm oil and corn.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com