ISO-21000-2-2005.pdf
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1、 Reference number ISO/IEC 21000-2:2005(E) ISO/IEC 2005 INTERNATIONAL STANDARD ISO/IEC 21000-2 Second edition 2005-10-01 Information technology Multimedia framework (MPEG-21) Part 2: Digital Item Declaration Technologies de linformation Cadre multimdia (MPEG-21) Partie 2: Dclaration darticle numrique
2、 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/04/2007 00:36:03 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 21000-2:2005(E) PDF disclaimer T
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5、 the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO/IEC 2005 All right
6、s reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the
7、requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2005 All rights reserved Copyright International Organization for Standardization Provided by IHS under license w
8、ith ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/04/2007 00:36:03 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 21000-2:2005(E) ISO/IEC 2005 All rights reserved iii Contents Page Foreword. v Introduction. vi 1 Scope . 1 2 Normative r
9、eferences. 1 3 Terms and definitions. 2 4 Symbols and abbreviated terms . 2 5 Conventions 3 5.1 Naming convention. 3 5.2 Documentation convention . 3 5.3 Namespace prefix conventions. 5 6 Digital Item Declaration Model 6 6.1 Purpose and Overview. 6 6.2 Abstract Model 6 6.2.1 Entity Descriptions. 6 6
10、.2.2 container 6 6.2.3 item. 6 6.2.4 component. 7 6.2.5 anchor 7 6.2.6 descriptor 7 6.2.7 condition 7 6.2.8 choice. 8 6.2.9 selection 8 6.2.10 annotation 8 6.2.11 assertion 8 6.2.12 resource. 8 6.2.13 fragment. 8 6.2.14 statement. 8 6.2.15 predicate 8 7 Digital Item Declaration Representation. 10 7.
11、1 Purpose and Overview. 10 7.1.1 Purpose 10 7.1.2 DIDL Overview. 10 7.2 DIDL Definition 11 7.2.1 Validation. 11 7.2.2 Canonicalization . 11 7.2.3 Document modularity. 11 7.2.4 Element Descriptions. 12 7.2.5 . 12 7.2.6 . 14 7.2.7 15 7.2.8 . 15 7.2.9 17 7.2.10 20 7.2.11 . 22 7.2.12 25 7.2.13 27 7.2.14
12、 . 31 7.2.15 . 34 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/04/2007 00:36:03 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 21000-2:2005(E)
13、 iv ISO/IEC 2005 All rights reserved 7.2.16 37 7.2.17 38 7.2.18 .41 7.2.19 .42 7.2.20 45 8 The Digital Item Declaration XML Schema Definitions (informative).46 8.1 Purpose and Overview .46 8.2 DID Model Abstract Schema47 8.3 DIDL Schema.49 9 Example Digital Items expressed in DIDL 57 9.1 Example 1:
14、Using MPEG-7 descriptors in conjunction with a Choice.57 9.2 Example 2: Expressing the same set of metadata in different descriptor formats59 9.3 Example 3: A digital music album.60 9.4 Example 4: Implementing numeric comparisons in Item configuration .78 Annex A (informative) Patent statements 81 A
15、nnex B (informative) Differences with ISO/IEC 21000-2:2003.82 B.1 Introduction .82 B.2 Attribute-based descriptors.82 B.3 82 B.4 .82 B.5 and 83 B.6 .83 B.7 and XInclude.83 B.8 Schema definitions .85 B.9 Converting a first edition DIDL document to a second edition DIDL document86 Bibliography .88 Cop
16、yright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/04/2007 00:36:03 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 21000-2:2005(E) ISO/IEC 2005 All rig
17、hts reserved v Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in the development of International Standards
18、 through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC,
19、 also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to
20、 prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. ISO/IEC 21000-2 was prepared by Jo
21、int Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information. This second edition cancels and replaces the first edition (ISO/IEC 21000-2:2003), which has been technically revised. ISO/IEC 21000 consists of the fol
22、lowing parts, under the general title Information technology Multimedia framework (MPEG-21): Part 1: Vision, Technologies and Strategy Technical Report Part 2: Digital Item Declaration Part 3: Digital Item Identification Part 5: Rights Expression Language Part 6: Rights Data Dictionary Part 7: Digit
23、al Item Adaptation Part 8: Reference Software Part 9: File Format Part 10: Digital Item Processing Part 11: Evaluation Tools for Persistent Association Technologies Technical Report Part 12: Test Bed for MPEG-21 Resource Delivery Technical Report Part 15: Event Reporting Part 16: Binary Format The f
24、ollowing parts are under preparation: Part 4: Intellectual Property Management and Protection Components Part 14: Conformance Testing Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 0
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