PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Gas sensors for other gases such as CO2, O2, CO, alcohol, LPG and LNG, H2, H2S, etc, are also available.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ipfonline.com