PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • it is true that extracting and refining bitumen from the sticky black sands emits significantly more carbon dioxide and other greenhouse gases than does drilling and processing ordinary oil.
http://www.w3.org/ns/prov#wasQuotedFrom
  • winnipegfreepress.com