Digital work structure
First Claim
Patent Images
1. A digital work organized into an acyclic structure for use within a system for enforcing usage rights associated with content, said digital work comprising:
- a contents file including information related to content that can be interpreted by an interpreter; and
a description tree file including descriptor blocks organized in a hierarchical manner, at least some of said descriptor blocks containing usage rights associated with the content, said usage rights specifying a manner of use for the content, wherein at least one of said descriptor block comprises a content identifier and a rights portion, said content identifier including a unique identifier of content and said rights portion containing said usage rights, wherein said contents file comprises plural content portions, wherein said rights portion comprises a rights code field containing a code indicative of a manner of use of the digital content and a status information field containing information relating to a state of the manner of use, wherein at least one of said descriptor blocks does not include a content identifier and includes a pointer to a child descriptor block and a usage rights portion containing usage rights information associated with said child descriptor block, and wherein said usage rights portion comprises a transactional component including a specification of said manner of use for the associated digital content and a specifications component specifying conditions that must be satisfied to exercise the manner of use or transaction related parameters.
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Abstract
A digital work for use within a rights management system for controlling use of the digital work in accordance with usage rights. The work is organized into an acyclic structure and includes a contents file including information related to content that can be interpreted by an interpreter, and a description tree file including descriptor blocks organized in a hierarchical manner. At least some of the descriptor blocks contain usage rights associated with the content. The usage rights specify a manner of use for the content.
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Citations
32 Claims
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1. A digital work organized into an acyclic structure for use within a system for enforcing usage rights associated with content, said digital work comprising:
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a contents file including information related to content that can be interpreted by an interpreter; and
a description tree file including descriptor blocks organized in a hierarchical manner, at least some of said descriptor blocks containing usage rights associated with the content, said usage rights specifying a manner of use for the content, wherein at least one of said descriptor block comprises a content identifier and a rights portion, said content identifier including a unique identifier of content and said rights portion containing said usage rights, wherein said contents file comprises plural content portions, wherein said rights portion comprises a rights code field containing a code indicative of a manner of use of the digital content and a status information field containing information relating to a state of the manner of use, wherein at least one of said descriptor blocks does not include a content identifier and includes a pointer to a child descriptor block and a usage rights portion containing usage rights information associated with said child descriptor block, and wherein said usage rights portion comprises a transactional component including a specification of said manner of use for the associated digital content and a specifications component specifying conditions that must be satisfied to exercise the manner of use or transaction related parameters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A data structure for specifying usage rights that can be associated with content for use within a system for enforcing use of the content in accordance with the usage rights, said data structure comprising:
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a description tree file including descriptor blocks organized in a hierarchical manner, at least some of said descriptor blocks containing usage rights associated with the content, said usage rights specifying a manner of use for the content, at least one of said descriptor block comprises a unique identifier of content and a rights portion comprising a rights code field containing a code indicative of a manner of use of the digital content and a status information field containing information relating to a state of the manner of use, wherein said content comprises plural content portions, wherein at least one of said descriptor blocks does not include a content identifier and includes a pointer to a child descriptor block and a rights portion containing usage rights information associated with said child descriptor block, and wherein said rights portion comprises a transactional component including a specification of said manner of use for the content and a specifications component specifying conditions that must be satisfied to exercise the manner of use or transaction related parameters. - View Dependent Claims (27, 28, 29, 30, 31, 32)
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Specification