PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In Tianjin, a new state-of-the-art landfill gas collection system captures methane and other gases, such as carbon dioxide and non-methane organic compounds, reducing greenhouse gas emissions and producing electricity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • worldbank.org