PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Generally speaking, when designing or testing electronic devices such as servers, power supply sources of the electronic devices need to switch between on and off frequently, and a typical method is to directly insert and pull out plugs of the power supply source.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.ca