PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • CO2 is a trace gas that contributes almost nothing to the ???greenhouse effect???; hence, small increases in a trace gas still make it a trace gas. #13
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com