PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • While YouTube has been the darling of video-sharing sites online ??? letting anyone become a video star ??? Cambridge, Mass.-based startup Brightcove has quietly been working in the background to become the go-to video services company for professional content owners and media companies such as Dow Jones, Newsweek and The New York Times.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pbs.org