PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present invention is a method and system for providing a speech based interface to an electronic calendar system for annotating calendar designated time periods as when scheduling, for example, appointments and events.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com