PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon dioxide is the most important greenhouse gas, which is thought to be contributing to global warming.[1] A carbon sequestration program would capture the gas, turn it into a liquid, transport it through a network of pipelines, and pump it into the ground, intending for it to stay buried forever.
http://www.w3.org/ns/prov#wasQuotedFrom
  • precaution.org