PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Search Cows EPA has Underestimated Methane Emissions, Study Says The EPA has seriously underestimated the emissions of the powerful greenhouse gas, methane, particularly from oil and gas activity (five times) and from cattle and livestock operations (two times), according to a new report published in the PNAS. Dec 6, 2013 The New York Times The Bull Behind LA's Air Pollution So you think cars are
http://www.w3.org/ns/prov#wasQuotedFrom
  • planetizen.com