PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 20140094137METHOD AND SYSTEM FOR UNTETHERED TWO-WAY VOICE COMMUNICATION FOR AN ALARM SYSTEM - An alarm system can provide security, fire, protection, or other alarm services for a premises, such as for a building or other property.
http://www.w3.org/ns/prov#wasQuotedFrom
  • faqs.org