PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Forexample, levels of carbon dioxide, a powerful greenhouse gas, have risen by 35 percent since 1750,largely from the burning of fossil fuels such as coal, oil, and natural gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scribd.com