PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Currently, biofuels such as ethanol is made by either fermenting the sugar obtained from crops like sugar cane or sugar beet, or by using enzymes to break down the starch found in corn and wheat to make the sugars.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org