PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Before what? - Carbon Dioxide is a greenhouse gas; it is good at absorbing heat, and hence traps heat in the atmosphere.
http://www.w3.org/ns/prov#wasQuotedFrom
  • phys.org