PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Atmospheric gases, mostly carbon dioxide and water vapor, that trap the warmth from the sun, just as glass traps warmth in a greenhouse
http://www.w3.org/ns/prov#wasQuotedFrom
  • planetpals.com