PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If the bitmap image has eight-bit color depth (256 colors), and the message to be hidden is a text message with eight-bit text encoding, then each letter of the text message can be encoded in and extracted from eight pixels of the bitmap image.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com