PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Under certain conditions, algae produce substances that can be be used as biofuels such as hydrogen, hydrocarbons and lipids.
http://www.w3.org/ns/prov#wasQuotedFrom
  • umbc.edu