PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 4a is a circuit diagram of the reflection densitometer which can be used to automatically read copy density values into the circuitry of FIG. 1; FIG. 4b shows how the densitometer photodiodes are arranged to receive direct light and reflected light off the copy.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com