PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Because the present invention can respond to physical objects placed adjacent interactive display surface 400, based on the reflection of IR light generated by IR source 66 (FIG. 2), a user is not limited to using conventional painting or drawing tools or implements, such as brushes, or even limited to three-dimensional objects in creating images on interactive display surface 400.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com