PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mercury analyzer systems, such as system 170, are often used in industrial facilities that are exposed to mercury, including fossil fuel burning plants, incinerators, chemical producing plants, and other facilities that use mercury or that have mercury as a reactant, product, byproduct, or catalyst, or that otherwise have a need or desire to measure mercury.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com