PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Biogas Asia-Pacific Economic Cooperation (APEC)European Commission - EurostatBiogas is a gas composed principally of methane and carbon dioxide produced by anaerobic digestion of biomass.
http://www.w3.org/ns/prov#wasQuotedFrom
  • iea.org