PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In 2007, Tianjin took steps toward establishing the Shuangkou Landfill Gas Project, which will recover landfill gases such as methane and carbon dioxide and convert them into electricity, according to the World Bank Carbon Finance Unit.
http://www.w3.org/ns/prov#wasQuotedFrom
  • earth911.com