PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ENOX tunnel monitor measures the concentration of nitrogen dioxide (NO2) within an ambient environment such as road, rail, meterological or other industrial application.
http://www.w3.org/ns/prov#wasQuotedFrom
  • environmental-expert.com