1、 ITU-T RECMN*T.422 75 = 4862571 Ob03253 115 INTERNATIONAL TELECOMMUNICATION UNION ITU=T TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU TERMINALS FOR TELEMATIC SERVICES T.422 (08195) INFORMATION TECHNOLOGY - OPEN INTERCHANGE FORMAT - IDENTIFICATION DOCUMENT ARCHITECTURE (ODA) AND OF DOCUMENT FRAGMEN
2、TS ITU-T Recommendation T.422 (Previously ?CCITT Recommendation?) ITU-T RECMN*T*422 95 4862571 0603254 051 FOREWORD ITU (International Telecommunication Union) is the United Nations Specialized Agency in the field of telecommunications. The IT Telecommunication Standardization Sector (IT-T) is a per
3、manent organ of the IT. Some 179 member countries, 84 telecom operating entities, 145 scientific and industrial organizations and 3 8 international organizations participate in IT-T which is the body which sets world telecommunications standards (Recommendations). The approval of Recommendations by
4、the Members of ITU-T is covered by the procedure laid down in WTSC Resolution No. 1 (Helsinki, 1993). In addition, the World Telecommunication Standardization Conference (WTSC), which meets every four years, approves Recommendations submitted to it and establishes the study programme for the followi
5、ng period. In some areas of information technology which fall within ITU-Ts purview, the necessary standards are prepared on a collaborative basis with IS0 and IEC. The text of ITU-T Recommendation T.422 was approved on 1 lth of August 1995. The identical text is also published as ISO/IEC Internatio
6、nal Standard 8613-12. NOTE In this Recommendation, the expression “Administration” is used for conciseness to indicate both a telecommunication administration and a recognized operating agency. O ITU 1995 All rights reserved. No part of this publication may be reproduced or utilized in any form or b
7、y any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the IT. ITU-T RECMN*T.422 95 M 4862593 0603255 T98 M CONTENTS Scope Normative references . 2.1 Identical Recommendations I International Standards 2.2 Paired Recommendations I Internationa
8、l Standards equivalent in technical content 2.3 Additional references Definitions Abbreviations . Conventions Overview 6.2 External references 6.3 Subprofiles 6.4 Relationship to application profiles Location expressions 7.1 Introduction . 7.2 Basic location expressions 7.2.1 Region locators . 7.2.2
9、 Subtree locators . 7.2.3 Constituent locators 7.2.4 Identifier production functions . 7.3 Composite location expressions 7.4 ASN.1 representation External references . 8.1 Reference name . 8.2 Additional document profile and hypermedia document profile atmbutes-External references list 8.3 ASN.l re
10、presentation Subprofiles . 9.1 Definition of subprofile . 9.2 Content of the subprofiles . 9.2.1 Subprofile identifier 9.2.2 Subprofile reference 9.2.3 Subprofile precedence . 9.2.4 Document fragment reference . 9.2.5 Document characteristics-Content architecture classes . 9.2.6 Document fragment ma
11、nagement attributes . 9.3 ASN.1 representation 6.1 Location expressions . Annex A . Changes to other Parts of ITU-T Rec . T.410-Series I ISO/IEC 8613 Additions to ITU-T Rec . T.411 I ISO/IEC 8613-1 Additions to ITU-T Rec . T.412 I ISO/IEC 8613-2 Additions to ITU-T Rec . T.414 I ISOAEC 8613-4 Changes
12、 to ITU-T Recommendation T.415 I ISOAEC 8613-5 . Annex B - Examples of location expressions Annex C - Application class tag assignments Annex D - Summary of object identifiers A.l A.2 A.3 A.4 ITU-T Rec . T.422 (1995 E) Page 1 2 2 2 2 3 3 3 3 4 4 4 4 4 4 4 5 5 5 6 10 10 14 14 14 15 15 15 16 16 16 16
13、16 17 17 20 22 22 22 22 22 24 26 27 1 ITU-T RECMN*T.422 95 4862593 060325b 924 Summary This Recommendation is one of two (T.422 and T.424) which are designed to support the interchange of processable and formatted hypermedia documents (HyperODA). This Recommendation I International Standard defines
14、location expressions, to identify document fragments; external references, for identification and handling of information that is external to given documents; and sub(document) profiles, for the provision of, mainly, management information applying to a document fragment. 11 ITU-T Rec. T.422 (1995 E
15、) ITU-T RECMNX(T.422 75 48b2591i Ob03257 8bO Introduction This ITU-T Recommendation I International Standard was prepared as a joint publication by ITU-T Study Group 8 and ISOAEC Joint Technical Committee 1. At present, the ITU-T Recommendations in the T.410-Series I International Standard ISOAEC 86
16、13 consists of: - Introduction and general principies; - Document structures; - - Document profile; - Open document interchange format; - Character content architectures; - Raster graphics content architectures; - Geometric graphics content architectures; - Audio content architectures; - Abstract in
17、terface for the manipulation of ODA documents; Formai specification of the Open Document Architecture (FODA). (The formai Specification is applicable to ISO/IEC 8613 only). - Tabular structures and tabular layout; - Identification of document fragments; - Temporal relationships and non-linear struct
18、ures. Further Recommendations I International Standards may be added to this series of ITU-T Recommendations I International Standards. Development of this series of ITU-T Recommendations I International Standards was originally in parallel with ECMA-101 standard: Open Document Architecture. This IT
19、U-T Recommendation I Intemational Standard contains four annexes: - - - - Annex A (integral) contains changes to other parts of IT-T Rec. T.410-Series I ISO/IEC 8613; Annex B (non-integral) contains examples of location expressions; Annex C (non-integral) contains the application class tag assignmen
20、ts; Annex D (non-integral) contains a summary of object identifiers. ITU-T Rec. T.422 (1995 E) iii INTERNATIONAL STANDARD ITU-T RECOMMENDATION INFORMATION TECHNOLOGY - OPEN DOCUMENT ARCHITECTURE (ODA) AND INTERCHANGE FORMAT - IDENTIFICATION OF DOCUMENT FRAGMENTS 1 Scope The purpose of -T Rec. T.410-
21、Series I ISOAEC 8613 is to facilitate the interchange and manipulation of documents. In the context of these Recommendations I International Standards, documents are considered to be items such as memoranda, letters, invoices, forms and reports, which may include pictures and tabular material. The c
22、ontent elements used within the documents may include graphic characters, raster graphics elements and geometric graphics elements, all potentially within one document. NOTE - These Recommendations I International Standards are designed to allow for extensions, including spreadsheets and additional
23、types of content such as video. In addition to the content types defined in these Recommendations I International Standards, ODA also provides for arbitrary content types to be included in documents. These Recommendations I International Standards apply to the interchange of documents by means of da
24、ta communications or the exchange of storage media. These Recommendations I International Standards provide for the interchange of documents for either or both of the following purposes: - to allow presentation as intended by the originator; - to allow processing, such as editing and reformatting. T
25、he composition of a document in interchange can take several forms: - formatted form, allowing presentation of the document; - processable form, allowing processing of the document; - formatted processable form, allowing both presentation and processing of the document. These Recommendations I Inter
26、national Standards also provide for the interchange of ODA information structures used for the processing of interchanged documents. This Recommendation I Intemational Standard provides: - a mechanism for the identification of document fragments. Location expressions are used for this purpose; - the
27、 specification of external references; - the specification of subprofiles. ITU-T Rec. T.422 (1995 E) 1 ITU-T RECMN*T.422 95 4862591 0603257 633 = ISOAEC 8613-12 : 1996 (E) 2 Normative references The following Recommendations and International Standards contain provisions which, through reference in
28、this text, constitute provisions of this Recommendation I International Standard. At the time of publication, the editions indicated were valid. All Recommendations and Standards are subject to revision, and parties to agreements based on this Recommendation I International Standard are encouraged t
29、o investigate the possibility of applying the most recent edition of the Recommendations and Standards listed below. Members of IEC and IS0 maintain registers of currently valid International Standards. The Telecommunication Standardization Bureau of the ITU maintains a list of currently valid ITU-T
30、 Recommendations. 2.1 2.2 Identical Recommendations I International Standards - ITU-T Recommendation T.411 (1993) I ISO/IEC 8613-1:1994, Information technology - Open Document Architecture (ODA) and interchange formut: Introduction and general principles. ITU-T Recommendation T.412 (1993) I ISOfiEC
31、8613-2: 1995, Information technology - Open Document Architecture (ODA) and interchange format: Document structures. ITU-T Recommendation T.413 (1994) I ISOAEC 8613-3:1995, Information technology - Open Document Architecture (ODA) and interchange format: Abstract interface for the manipulation of OD
32、A documents. ITU-T Recommendation T.414 (1993) I ISOfiEC 8613-4:1994, Information technology - Open Document Architecture (ODA) and interchange format: Document profile. ITU-T Recommendation T.415 (1993) I ISOIEC 8613-5:1994, Information technology - Open Document Architecture (ODA) and interchange
33、format: Open Document Interchange Format. ITU-T Recommendation T.416 (1993) 1 ISO/IEC 8613-6: 1994, Information technology - Open Document Architecture (ODA) and interchange format: Character content architectures. ITU-T Recommendation T.417 (1993) I ISO/IEC 8613-7: 1994. Information technology - Op
34、en Document Architecture (ODA) and interchange format: Raster graphics content architectures. ITU-T Recommendation T.418 (1993) I ISOAEC 8613-8:1994, Information technology - Open Document Architecture (ODA) and interchange format: Geometric graphics content architectures. ITU-T Recommendation T.419
35、l) I ISOAEC 8613-9: .I, Information technology - Open Document Architecture (ODA) and interchange format: Audio content architectures. - ITU-T Recommendation T.421 (1994) I ISO/IEC 8613-1 1:1995, Infomtion technology - Open Document Architecture (ODA) and interchange format: Tabular structures and t
36、abular layout. ITU-T Recommendation T.424l) I ISOAEC 8613-14: .), Information technology - Open Document Architecture (ODA) and interchange format: Temporal relationships and non-linear structures. - - - - - - - - - Paired Recommendations I International Standards equivalent in technical content - C
37、CITT Recommendation X.208 (1988), Specijkation of Abstract Syntax Notation One (ASN.1). ISOAEC 8824: 1990, Information technology - Open Systems Interconnection - Specification of Abstract Syntax Notation One (ASN. I). ITU-T X.501 (1993), Information technology - Open Systems Interconnection - The D
38、irectory: Models. ISO/IEC 9594-2: 1990, Information technology - Open Systems Interconnection - The Directory - Part 2: Models. ITU-T X.511 (1993), Information technology - Open Systems Interconnection - The Directory: Abstract service definition. ISOfiEC 9594-3: 1990, Information technology - Open
39、Systems Interconnection - The Directory - Part 3: Abstract service definition. - - 2.3 Additional references - ISO/IEC 6937-2:1994, Information technology - Coded graphic character set for text communication - Lutin alphabet. 1 Presently at the stage of draft. 2 ITU-T Rec. T.422 (1995 E) - - ITU-T R
40、ECflN*T.422 95 M 4662591 Oh03260 355 ISOAEC 8613-12 : 1996 (E) - IS0 8601:1988, Data elements and interchange formats - Information interchange - Representation of dates and times. ISO/IEC 8613-10: 1995, Information technology - Open Document Architecture (ODA) and interchange format - Part 1 O: For
41、mal speciftcations. - ISO/IEC 10031-2:1991, Information technology - Text and ofice systems - Distributed- ofSice-applications model - Part 2: Distinguished-object-reference and associated procedures. - 3 Definitions For the purposes of this Recommendation I International Standard the definitions gi
42、ven in ITU-T Rec. T.411 I ISO/IEC 8613-1 apply. The following additional definitions are given in this Recommendation I International Standard: 3.1 the document, the precise semantics being local to the transfer mechanism being used. 3.2 3.3 3.4 associated information name: A name which uniquely ide
43、ntifies a set of information being transmitted with document fragment: A part of a document identified by a location expression. external entity: Any amount of structured external ODA information that can be interchanged as a unit. external reference: A reference to structured information that is ex
44、ternal to the document that references it. 3.5 properties, used for the construction of constituent locators. 3.6 document characteristics. identifier production function: A function defined for producing identifiers of constituents with given location expression: A mechanism to select a document fr
45、agment based on values of attributes and other 3.7 structure, or a region in a specific structure. 3.8 document profile. 3.9 profile attributes, that can be specified for a document fragment. locator: Part of a location expression which identifies one or more constituents, a subtree in a specific re
46、ference name: A pointer into an external references list in either the document profile or the hypermedia subprofile: A subprofile is a constituent consisting of a set of attributes, taken from a subset of the document 4 Abbreviations For the purposes of this Recommendation I International Standard
47、the abbreviations given in ITU-T Rec. T.411 I ISO/IEC 8613-1 and ISO/IEC 10031-2 apply. The following additional abbreviations are given in this Recommendation I International Standard: DOR Distinguished Object Reference 5 Conventions For the purposes of this Recommendation I International Standard
48、the conventions given in ITU-T Rec. T.411 I ISO/IEC 8613-1 and ITU-TRec. T.412 I ISO/IEC 8613-2 apply. 6 Overview The areas covered by this Specification are the following: - - - location expressions, for identification of document fragments; external references, for identification and handling of i
49、nformation that is external to a given document; subprofiles, for the provision of, mainly, management information applying to a document fragment. ITU-T Rec. T.422 (1995 E) 3 ISO/IEC 8613-12 : 1996 (E) 6.1 Location expressions The purpose of location expressions is to provide a general mechanism for the identification of document fragments. Location expressions may be either basic or composite depending on the structure of the expression. Location expressions allow the selection of a document fragment based on values of attributes and other docum
