INTERNATIONAL ISO/IEC STANDARD 11179-3 Fourth edition 2023-01 Information technology - Metadata registries (MDR) - Part 3: Metamodel for registry common facilities Reference number IEC IS0/IEC 11179-3:2023(E) ISO @ IS0/IEC 2023 IS0/IEC 11179-3:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS0/IEC2023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may the internet or an intranet, withoutpriorwrittenpermission.Permission can be requested from eitherIso at the addressbelow orIso's memberbody inthe country oftherequester ISO copyright office CP 401 · Ch. de Blandonnet 8 CH-1214Vernier,Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org PublishedinSwitzerland i @ IS0/IEC 2023 - All rights reserved IS0/IEC 11179-3:2023(E) Contents Page Foreword X Introduction .xii 1 Scope. .1 1.1 Structure of a metadata registry 1 1.2 Model extensions. 1 2 Normative references 1 3 Terms, definitions and abbreviated terms .2 3.1 Terms related to metamodel constructs 2 3.2 Terms related to concepts. .5 3.3 Abbreviated terms. 17 4 Conformance 17 4.1 Overview of conformance. 17 4.2 Degree of conformance .18 4.2.1 General 18 4.2.2 Strictly conforming implementations 18 4.2.3 Conforming implementations 18 4.3 Conformance by feature 19 4.4 Registry conformance. 19 4.4.1 Overview 19 4.4.2 Standard profiles for registries 19 4.4.3 Conformance labels.. 19 4.5 Obligation. 20 4.6 Implementation conformance statement (Ics) 20 4.7 Roles and responsibilities for registration 20 5 Approach to modelling a metadata registry 20 5.1 Metamodel for a metadata registry. 20 5.2 Application of the metamodel 21 5.3 Specification of the metamodel 21 5.3.1 Terminology used in specifying the metamodel 21 5.3.2 Choice of fonts. 22 5.3.3 Use of UML Packages 22 5.3.4 Package dependencies 23 5.3.5 Use of UML Class diagrams and textual description. 23 5.3.6 Use of dot notation. 24 5.4 Types, instances and values 24 5.5 Extensibility 24 5.6 Date references. 24 6 Basic_and_Core package .25 6.1 Overview of Basic_and_Core package 25 6.2 Predefined types metamodel region. 25 6.2.1 Overview of predefined types 25 6.2.2 Boolean 25 6.2.3 Datetime 25 6.2.4 Date.. 25 6.2.5 Integer 26 6.2.6 Natural_Range 26 6.2.7 Notation 26 6.2.8 Phone_Number. 26 6.2.9 Postal_Address 26 6.2.10 Sign 26 6.2.11 String 26 6.2.12 Text. 27 @ IS0/IEC 2023 - All rights reserved ii IS0/IEC 11179-3:2023(E) 6.2.13 Value. .27 6.3 Basic classes metamodel region. .27 6.3.1 Overview of basic classes .27 6.3.2 Individual class .28 6.3.3 Organization class. .28 6.3.4 Role class 28 6.3.5 Contact class. 29 6.3.6 Document_Type class 29 6.3.7 Language_Identification class .30 6.3.8 Reference_Document class. ..32 6.3.9 Registration_Authority_Identifier class ..32 6.3.10 Datetime_Period class. .33 6.4 Core metamodel region.. .33 6.4.1 Overview of Core metamodel region ..33 6.4.2 Classes in the Core metamodel region .34 6.4.3 Associations in the Core metamodel region .36 7 Identification package .37 7.1 Overview of Identification metamodel region .37 7.2 Classes referenced from the Basic_and_Core package .37 7.2.1 Item class. .37 7.3 Classes in the Identification metamodel region .38 7.3.1 Identified_Item class. .38 7.3.2 Scoped_Identifierclass .38 7.3.3 Namespace class. .39 7.4 Associations in the Identification metamodel region .41 7.4.1 item_identification association. .41 7.4.2 identification association ..42 7.4.3 identifier_scope association ..42 8 Designation_and_Definition package ..42 8.1 Overview of Designation and Definition metamodel region .42 8.2 Classes referenced from the Basic_and_Core package ..43 8.2.1 Item class ..43 8.2.2 Contextclass ..43 8.3 Classes referenced from the Identification package .44 8.3.1 Namespace class. .44 8.4 Classes in the Designation and Definition metamodel region ..46 8.4.1 ..46 Designationclass. 8.4.2 Definition class .47 8.4.3 Designation_Definition_Pairing class ..48 8.4.4 Naming_Conventio