Standard

NEK ISO/IEC 21000-20:2016

Dec 2016 Published

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Language English

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Abstract

ISO/IEC 21000-20:2016 specifies a language for representing contracts in the Multimedia Framework formed for the transaction of MPEG-21 Digital Items or services related to the MPEG-21 Framework. Contract Expression Language (CEL) aims at digitally representing the agreements made in environments using ISO/IEC 21000. These agreements are contracts for transactions of content packed as Digital Items, as well as services provided around this content. The range of contracts under scope are as follows: - contracts about transactions on rights for the exploitation of content as MPEG-21 Digital Items; - contracts about the provision of MPEG-21-based services, i.e. delivery, identification, encryption, search and others. The aspects represented by CEL contracts include the following: - the textual clauses, in natural language as they are in the narrative contract, duly structured; - the operative clauses, as computer language expressions.

Document information

Standard from NEK
Published: 15 December 2016
Edition: 2.0
Version: 1
Document type: NAT
Pages
ISBN:

ICS 35.040.40
National Committee ISO/IEC JTC 1/SC 29

Product Relations

Adopted from: IEC 61318:2021 ED4
Replaces: NEK ISO/IEC 21000-20:2013

NEK ISO/IEC 21000-20:2016

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