PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • human activities", most prominently the emission of greenhouse gases such as carbon dioxide (CO2) and methane (CH4).
http://www.w3.org/ns/prov#wasQuotedFrom
  • democraticunderground.com