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The Digital Media Project |
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Source |
GA03 |
Date: |
2004/07/15 |
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Title |
DMP terminology |
No. |
0147/Osaka |
DMP terminology
Terms defined in this document when used with upper case in other DMP documents have the meaning defined here, unless another meaning is explicitly declared. Note that terms beginning with lower case may not necessarily include entities expressed by terms beginning with upper case.
DMP terms are presented in two views. In the first view terms are grouped by similarity in the following five classes
In the second view terms are given in alphabetical order.
Definitions grouped by similarity
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Approved Document |
Any of the following types of DMP documents
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Conformance |
The satisfaction of a Device or a piece of Content to the relevant requirements of one or more than one Specification |
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Interface |
The boundary between
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Interoperability |
The possibility for Users (including End-users) to technically execute value-chain Functions through Interfaces and Protocols of known specification |
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(Content) Interoperability |
The ability of a piece of governed content to be used by a device. All DMP Governed Content is Interoperable with DMP Devices |
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(Device) Interoperability |
The ability of a device to exchange data with other devices across standard interfaces using standard protocols. DMP Devices are Interoperable |
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Key |
Data used by a cryptographic method |
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Protocol |
A description of data formats and rules a device must follow to exchange those data with other devices. |
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Right |
The ability supported by the applicable law to execute Functions on a piece of Governed Content |
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(Technical) Specification |
A type of DMP Approved Document containing normative clauses. Its use in Devices, Contents and Services may require business agreements between relevant Users. Such business agreements are outside of DMP |
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Superdistribution |
A mechanism that
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Trust |
A state of Users, Devices or Content Data the attainment of which enables the execution of Functions on Governed Content by Users |
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Trust Management |
The mechanisms by which Trust can be established, preserved and severed |
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Author |
A User who creates a Work |
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Content Provider |
Any User providing Content or Governed Content to another User (e.g. an End-user) |
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Producer |
A User who produces Content |
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End-user |
The last User in a Value-chain |
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Right Holder |
A User who has Rights on a piece of Content |
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User |
Any user of Content who is on a Value-Chain between (and including) Author, Creator and End-user. For the purpose of current Specifications a User is represented by a device or by a User Identity on the Device (e.g. username/password). |
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User Authentication |
The procedure to prove the identity of a User to a Device, a Service or a Delivery System |
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Systems |
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Device Authentication |
The procedure to prove the identity of a Device to another Device, a Service or a Delivery System |
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Delivery System
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A system that is used to deliver Data between any two or more Devices (e.g. a storage medium or a network-based transport mechanism) |
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Domain |
A set of Devices such that only the Devices belonging to that set can Use Governed Content intended for that set of Devices. |
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DMP DRM System |
A set of Devices that manages and protects Governed Content in such a way that any Device is technically enabled to Use Governed Content. A DMP DRM system implementation allows Devices to Use Governed Content from another DMP DRM System implementation even though the latter may use different technologies. |
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Environment |
A Device or set of Devices with the same or different functionalities. An Environment may interact with other Environments and may also interact with the outside through appropriate Interfaces |
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Value-chain |
A set of Users, including Authors, Producers and End-users |
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Data |
(see figure) |
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Composite Content |
A combination of different pieces of Content |
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Content |
A structured combination of any Resource Type and Metadata |
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Content Data |
A structured combination of Content Data Elements |
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Content Data Elements |
Any of the following Content Data types: Resources, Metadata, Content, Rights Expressions, Licenses and Governed Content |
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Descriptors |
Data that describe the properties of Resources |
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Executables |
Data that give a Device instructions to enable a User to execute Functions |
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Governed Content |
A piece of Content combined with a License |
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Identifier |
A symbol that establishes the identity of Users, Devices, Domains, Works and Content Data Elements |
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License |
Data representing the granted Rights expressed by Rights Expressions from a Right Holder to a User |
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Metadata |
Information (e.g. Identifiers, Descriptors etc.) not including Use Data, Rights Expressions and Licenses that is distinct from but directly related to Works and Resources. |
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Resource |
The embodiment of information that can be rendered in a form that is meaningful to a User, e.g. an MP3 file |
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Resource Type |
Any digital expression of Resources such as video, audio, audio-visual, text, synthetic audio, 2D/3D graphics |
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Rights Expression |
The statement of Functions that can be performed on a piece of Governed Content and the circumstances in which they can be performed |
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Stateless Rights Expression |
A Rights Expression that does not include any countable/temporal condition such as total played time, date, term, etc. Examples of Stateless Rights Expressions are those with conditions based on region code or until a certain date etc. |
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Use Data |
Data that document the Functions (e.g. the number of times a movie is played) that a User executes on a piece of Governed Content |
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Work |
Information which retains attributable properties independently of its manifestations in different pieces of Content |
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Content Access |
The Function of making available Content or Governed Content to a Device so that a Device can execute Functions on it |
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Backup |
The Function consisting of the following actions
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Copy |
The Function consisting of the following actions
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Export |
Making available a piece of Governed Content to a non-DMP DRM system |
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Import |
Accessing a piece of governed content from a non-DMP DRM system |
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Function |
What is executed by a Device on Governed Content |
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Move |
The Function consisting of the following actions
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Quote |
The Function of extracting a piece of Content from or referencing another piece of Content |
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Render |
The generation of human-perceivable data on an appropriate device |
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Restore |
The Function of moving Content and the associated Stateless Rights Expression if any to the Device from which Backup had been performed |
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Stream |
The Function of transferring Content to a Device in real-time where the transferred Content is processed for Rendering only |
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Service |
A set of Functions executed by a User on Content that is valuable for another User or Users |
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Trick Modes |
Any of the following Functions performed on a piece of Content during Rendering by a User:
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Use |
What is performed on a Device by a User |

Fig. 1 – Content Data
Definitions in alphabetical order
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Approved Document |
Any of the following types of DMP documents
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Author |
A User who creates a Work |
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Backup |
The Function consisting of the following actions
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Composite Content |
A combination of different pieces of Content |
|
Conformance |
The satisfaction of a Device or a piece of Content to the relevant requirements of one or more than one Specification |
|
Content |
A structured combination of any Resource Type and Metadata |
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Content Access |
The Function of making available Content or Governed Content to a Device so that a Device can execute Functions on it |
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Content Data |
A structured combination of Content Data Elements |
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Content Data Elements |
Any of the following Content Data types: Resources, Metadata, Content, Rights Expressions, Licenses and Governed Content |
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Content Provider |
Any User providing Content or Governed Content to another User (e.g. an End-user) |
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Copy |
The Function consisting of the following actions
|
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Delivery System
|
A system that is used to deliver Data between any two or more Devices (e.g. a storage medium or a network-based transport mechanism) |
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Descriptors |
Data that describe the properties of Resources |
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Device Authentication |
The procedure to prove the identity of a Device to another Device, a Service or a Delivery System |
|
DMP DRM System |
A set of Devices that manages and protects Governed Content in such a way that any Device is technically enabled to Use Governed Content. A DMP DRM system implementation allows Devices to Use Governed Content from another DMP DRM System implementation even though the latter may use different technologies. |
|
Domain |
A set of Devices such that only the Devices belonging to that set can Use Governed Content intended for that set of Devices. |
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End-user |
The last User in a Value-chain |
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Environment |
A Device or set of Devices with the same or different functionalities. An Environment may interact with other Environments and may also interact with the outside through appropriate Interfaces |
|
Executables |
Data that give a Device instructions to enable a User to execute Functions |
|
Export |
Making available a piece of Governed Content to a non-DMP DRM system |
|
Function |
What is executed by a Device on Governed Content |
|
Governed Content |
A piece of Content combined with a License |
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Identifier |
A symbol that establishes the identity of Users, Devices, Domains, Works and Content Data Elements |
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Import |
Accessing a piece of governed content from a non-DMP DRM system |
|
Interface |
The boundary between
|
|
Interoperability |
The possibility for Users (including End-users) to technically execute value-chain Functions through Interfaces and Protocols of known specification |
|
(Content) Interoperability |
The ability of a piece of governed content to be used by a device. All DMP Governed Content is Interoperable with DMP Devices |
|
(Device) Interoperability |
The ability of a device to exchange data with other devices across standard interfaces using standard protocols. DMP Devices are Interoperable |
|
Key |
Data used by a cryptographic method |
|
License |
Data representing the granted Rights expressed by Rights Expressions from a Right Holder to a User |
|
Metadata |
Information (e.g. Identifiers, Descriptors etc.) not including Use Data, Rights Expressions and Licenses that is distinct from but directly related to Works and Resources. |
|
Move |
The Function consisting of the following actions
|
|
Producer |
A User who produces Content |
|
Protocol
|
A description of data formats and rules a device must follow to exchange those data with other devices. |
|
Quote |
The Function of extracting a piece of Content from or referencing another piece of Content |
|
Render |
The generation of human-perceivable data on an appropriate device |
|
Resource |
The embodiment of information that can be rendered in a form that is meaningful to a User, e.g. an MP3 file |
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Resource Type |
Any digital expression of Resources such as video, audio, audio-visual, text, synthetic audio, 2D/3D graphics |
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Restore |
The Function of moving Content and the associated Stateless Rights Expression if any to the Device from which Backup had been performed |
|
Right |
The ability supported by the applicable law to execute Functions on a piece of Governed Content |
|
Right Holder |
A User who has Rights on a piece of Content |
|
Rights Expression |
The statement of Functions that can be performed on a piece of Governed Content and the circumstances in which they can be performed |
|
Service |
A set of Functions executed by a User on Content that is valuable for another User or Users |
|
(Technical) Specification |
A type of DMP Approved Document containing normative clauses. Its use in Devices, Contents and Services may require business agreements between relevant Users. Such business agreements are outside of DMP |
|
Stateless Rights Expression |
A Rights Expression that does not include any countable/temporal condition such as total played time, date, term, etc. Examples of Stateless Rights Expressions are those with conditions based on region code or until a certain date etc. |
|
Stream |
The Function of transferring Content to a Device in real-time where the transferred Content is processed for Rendering only |
|
Superdistribution |
A mechanism that
|
|
Trick Modes |
Any of the following Functions performed on a piece of Content during Rendering by a User:
|
|
Trust |
A state of Users, Devices or Content Data the attainment of which enables the execution of Functions on Governed Content by Users |
|
Trust Management |
The mechanisms by which Trust can be established, preserved and severed |
|
Use |
What is performed on a Device by a User |
|
Use Data |
Data that document the Functions (e.g. the number of times a movie is played) that a User executes on a piece of Governed Content |
|
User |
Any user of Content who is on a Value-Chain between (and including) Author, Creator and End-user. For the purpose of current Specifications a User is represented by a device or by a User Identity on the Device (e.g. username/password). |
|
User Authentication |
The procedure to prove the identity of a User to a Device, a Service or a Delivery System |
|
Value-chain |
A set of Users, including Authors, Producers and End-users |
|
Work |
Information which retains attributable properties independently of its manifestations in different pieces of Content |