| http://www.w3.org/ns/prov#value | - A user is provided with an interface surface containing information relating to the computer software and including coded data indicative of an identity of the interface surface and of at least one...http://www.google.com/patents/US20030085868?utm_source=gb-gplus-sharePatent US20030085868 - Computer system interface surface with reference points and coded marksAdvanced Patent SearchPublication num
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