PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is therefore an object of the present invention to provide a continuous monitoring circuitry and apparatus which continuously monitors the telephone line for a telephone line operating device such as a telephone or FAX machine, and which provides both a visual and auditory signal if a telephone line is broken, cut or shorted, or if the device is unplugged from the telephone line.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com