PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But as yet, there is not anything, and the best thing that we have is using these coal gasification plants, which then can capture the carbon dioxide, use pressure to create a kind of supercritical fluid that has the viscosity of oil, and then pump it down underground 2,000 or 3,000 feet into these deep saline aquifers. ...
http://www.w3.org/ns/prov#wasQuotedFrom
  • pbs.org