PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the case of a sensor using a semiconducting oxide such as tin oxide as the odor-sensitive film, what is actually measured is a change in the conductivity of the semiconducting oxide due to the oxidation-reduction reaction between oxygen and a reductive gas adsorbed to the semiconducting oxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com