PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In general, in one aspect, this invention provides methods and apparatus, including computer program products, implementing and using techniques in a software application implementing a first operation that is disabled by default, the techniques including detecting a change of a state of a document, and enabling the first operation to operate on the document after the detecting.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au