PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Greenhouse Effect - (n.) The greenhouse effect denotes the trapping of heat radiation within the atmosphere by certain trace gases contained in air, mainly water vapor, carbon dioxide and methane.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ucsd.edu