PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Therefore, it is an aspect of the present invention to incorporate, in a bar code scanning and reading system, a device for sensing the presence or absence of the object itself, especially objects having a reflectivity that is significantly different compared to that of the bar code label, such as transparent or translucent glass, ceramic, plastic, or other similar materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com