PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The following article shows its being implemented already: Find products by scanning barcodes, cover art with Google Shopper for Androidby Brad LinderGoogle has just rolled out a new application for Android called Google Shopper that lets you comparison shop for items by scanning a barcode or cover art of books, music, movies, and other objects with your Android smartphone's camera.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com