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Mark J Stefik, Daniel G Bobrow, Peter L T Pirolli: System for controlling the distribution and use of composite digital works. Xerox Corporation, Richard B Domingo, June 10, 1997: US05638443 (828 worldwide citation)

A system for controlling use and distribution of composite digital works. A digital work is comprised of a description part and a content part. The description part contains control information for the composite digital work. The content part stores the actual digital data comprising the composite d ...


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Stefik Mark J, Pirolli Peter L T, Bobrow Daniel G: System for controlling the distribution and use of composite digital works. Xerox, June 5, 1996: EP0715246-A1 (242 worldwide citation)

A system for controlling use and distribution of composite digital works. A digital work is comprised of a description part (700) and a content part. The description part contains control information for the composite digital work. The content part stores the actual digital data comprising the compo ...


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Steven M Hoffberg: System and method for determining contingent relevance. Steven M Hoffberg Esq, Ostrolenk Faber, November 14, 2017: US09818136 (5 worldwide citation)

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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Stefik Mark J, Pirolli Peter L, Bobrow Daniel G: System for controlling the distribution and use of composite digital works. Contentguard Holdings, March 19, 2003: EP1293869-A2 (1 worldwide citation)

A system for controlling use and distribution of composite digital works. A digital work is comprised of a description part (700) and a content part. The description part contains control information for the composite digital work. The content part stores the actual digital data comprising the compo ...


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