PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The educational system of claim 1, wherein the object is a first object, the educational device further comprising a plurality of objects including the first object, each of the plurality of objects including an indicium bearing surface bearing an indicium thereon readable by a user, and wherein the optical character recognition device is operable to optically recognize the indicium on each of the
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com