INTERNATIONAL ISO/IEC STANDARD 11179-31 First edition 2023-01 Information technology Metadata registries (MDR) - Part 31: Metamodel for data specification registration Technologies de I'information - Registres de métadonnées (RM) Partie 31: Métamodele pour I'enregistrement des specifications de données Reference number IEC IS0/IEC 11179-31:2023(E) ISO @ IS0/IEC 2023 IS0/IEC 11179-31:2023(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 11179-31:2023(E) Contents Page Foreword ..vii Introduction ..viii 1 Scope. 1 2 Normative references .1 3 Terms and definitions. 1 4 Abbreviated terms 6 5 Conformance. .6 5.1 Overview of conformance 6 5.2 Degree of conformance 6 5.2.1 General 5.2.2 Strictly conforming implementations 7 5.2.3 Conforming implementations. 7 5.3 Conformancebyfeature 7 5.4 Registry conformance. 8 5.4.1 Standard profiles for edition 4 registries 8 5.4.2 Conformance labels.. 8 5.5 Implementation conformance statement (IcS) 8 5.6 Obligation 8 Relationship to ISO/IEC 11179-3 9 6.1 Metamodel for a metadata registry. 9 6.2 Specificationofthemetamodel .9 6.3 Use of UML Class diagrams and textual description 9 6.4 Package dependencies 10 6.5 Subclassing the Constraint_Set class. 10 Data_Specification package .11 7.1 Overview of the Data_Specification package 11 7.2 High-level Data Specification metamodel region 12 7.2.1 Overviewofthehigh-levelmetamodelregion 12 7.2.2 Classes in the High-level Data Specification metamodel region 13 7.2.3 Associations of the High-Level Data Specification metamodel region .16 7.2.4 Constraints of the High Level metamodel region 17 7.3 Data Element Concept metamodel region. 18 7.3.1 Overview of the Data Element Concept metamodel region 18 7.3.2 Classes in the Data Element Concept metamodel region. 19 7.3.3 Associations in the Data Element Concept metamodel region 22 7.4 Conceptual Domain and Value Domain metamodel region. 22 7.4.1 Overview of the Conceptual Domain and Value Domain metamodel region 22 7.4.2 Classes in the Conceptual Domain and Value Domain metamodel region. 24 7.4.3 Association Classes in the Conceptual Domain and Value Domain metamodelregion. 41 7.4.4 Associations in the Conceptual Domain and Value Domain metamodel region. 44 7.4.5 Additional Constraints of the Conceptual Domain and Value Domain metamodel region. 45 7.5 Measurement metamodel region. 46 7.5.1 Overview of the Measurement metamodel region. 46 7.5.2 Classes in the Measurement metamodel region.. 47 7.5.3 Associations in the Measurement metamodel region 50 7.6 Data Element metamodel region. 51 7.6.1 Overview of the Data Element metamodel region. 51 7.6.2 Classes in the Data Element metamodel region. 52 7.6.3 Associations in the Data Element metamodel region 56 @ IS0/IEC 2023 - All rights reserved ii IS0/IEC 11179-31:2023(E) 7.7 Value Domain Subset metamodel region .57 7.7.1 Overview of the Value Domain Subset metamodel region .57 7.7.2 Classes in the Value Domain Subset metamodel region .57 7.7.3 Association classes in the Value Domain Subset metamodel region .61 7.7.4 Associations in the Value Domain Subset metamodel region .62 7.7.5 Constraints in the Value Domain Subset metamodel region. .63 7.8 Conceptual Domain Subset metamodel region. 63 7.8.1 Overview of the Conceptual Domain Subset metamodel region .63 7.8.2 Classes in the Conceptual Domain Subset metamodel region .64 7.8.3 Association classes in the Conceptual Domain Subset metamodel region .66 7.8.4 Associations in the Conceptual Domain Subset metamodel r