Usage rights grammar and digital works having usage rights created with the grammar

摘要

A system for associating usage rights with digital works, a method for creating usage rights with a grammar, and usage rights created with a grammar. The system includes a mechanism for creating usage rights from a grammar. The usage rights specify a manner of use indicating one or more stated purposes for which the digital work can be at least one of used and distributed by an authorized party. The usage rights are associated with a digital work.