PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • the rise in global temperature is largely due to anthropogenic emissions of carbon dioxide, methane, and other greenhouse gases; andWHEREAS, a significant increase in global temperatures poses potentially the greatest economic, environmental, and social challenge of the 21st century; and WHEREAS, carbon dioxide is a primary greenhouse gas that is produced when fossil fuels are burned to generate
http://www.w3.org/ns/prov#wasQuotedFrom
  • portlandonline.com