PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the same way we???ve integrated buttons like Twitter???s ???Tweet this??? and Facebook???s ???Like??? at the end of videos, articles, and other media, imagine we now add a button for ???Learn This.??? Clicking this button (anywhere you find it) would bring you into an interface to help you learn the content.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wfs.org