Mark J Stefik: System for controlling the distribution and use of digital works having attached usage rights where the usage rights are defined by a usage rights grammar. Xerox Corporation, Richard B Domingo, February 3, 1998: US05715403 (1175 worldwide citation)

A system for controlling use and distribution of digital works. The present invention allows the owner of a digital work to attach usage rights to their work. The usage rights define how the individual digital work may be used and distributed. Instances of usage rights are defined using a flexible a ...

Steven M Hoffberg: System and method for determining contingent relevance. Steven M Hoffberg Esq, Ostrolenk Faber, November 14, 2017: US09818136

A system and method providing for communication and resolution of utility functions between participants, wherein the utility function is evaluated based on local information at the recipient to determine a cost value thereof. A user interface having express representation of both information elemen ...

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