PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • An application may be aware of Internet location objects and, when an object is dragged from within the application into the system window, may specify that the object being dragged is a URL. Alternatively, the application may be unaware of or not support Internet locations but support generic text drag-and-drop, in which case the application, instead of specifying a ???URL drag flavor,??? specifi
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com