PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • They can discuss the various renewable (sun, wind, geothermal, and biomass) and nonrenewable (fossil fuels such as oil, coal, and natural gas) sources of energy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencenetlinks.com