PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Greenhouse gases, by the way, are any of the atmospheric gases, such as water vapor and carbon dioxide, that are said to contribute to the greenhouse effect.
http://www.w3.org/ns/prov#wasQuotedFrom
  • politicalwatchdog.com