PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The calculation for flying is a bit trickier, but using a calculation from a UN panel puts it at almost three times the carbon dioxide as the train.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sindark.com