ISO/IEC INTERNATIONAL STANDARD 19509 First edition 2014-04-15 Information technology Object Management Group XML Metadata Interchange (XMI) Reference number ISO/IEC 19509:2014(E) IEC ISo @ISO/IEC2014 by IHS under Not for Resale ISO/IEC19509:2014(E) COPYRIGHTPROTECTEDDOCUMENT ?ISO/IEC2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO/IEC 2014 - All rights reserved vided by IHS under itted without license from IHS Not for Resale ISO/IEC 19509:2014(E) Table of Contents 1 Scope 2 Conformance 2.1 General 2.2 Required Compliance 2.2.1 XMI Schema Compliance 2.2.2 XMI Document Compliance 2.2.3 Software Compliance 2.3 Optional Compliance Points 2.3.1 XMI Extension and Differences Compliance 3 Normative References 2 4 Terms and Definitions 5 Symbols 3 6 Additional Information 3 6.1 Relationship to existing standards for MOF and XMI 6.2 Acknowledgments .. 4 7 XMI Document and Schema Design Principles 5 7.1 Purpose .. .5 7.2 Use of XML Schemas 5 7.2.1 XML Validation of XMI documents 6 7.2.2 Requirements for XMI Schemas . 6 7.3 Basic Principles 6 7.3.1 Required XML Declarations..... 6 7.3.2ModelClassRepresentation 7.3.3 Model Extension Mechanism 7.4 XMI Schema and Document Structure 7.5 XMI Model 8 7.5.1 XML Schema for the XMI Model . 8 7.5.2 XMI Model classes 7.5.3 XMI ...... 10 7.5.4 Extension 7.5.5Documentation 7.5.6 Add, Replace, and Delete 2 7.6 XMI Attributes 13 7.6.1 Element Identification Attributes 7.6.2 Linking Attributes .... 14 7.6.3 Type Attribute . 15 7.7 XMI Types .... .16 7.8 Model Representation .16 7.8.1 Namespace Qualified XML Element Names 16 @ ISO/IEC 2014 - All rights reserved ili CopyrightInternational Organizationfor Standardization No reproduction or networking permitted without license from IHS Not for Resale ISO/IEC 19509:2014(E) 7.8.2 Multiplicities 17 7.8.3 Class Representation 7.8.4 DataType-typed Property Representation 18 7.8.5 Class-typed Property Representation 179 7.8.6 Composite Representation 19 7.8.7 Datatype representation 20 7.8.8 Inheritance representation..... 21 7.8.9 Association Representation 22 7.8.10 Derived Information 22 7.9 Transmitting Incomplete Metadata 22 7.9.1 Interchange of model fragments 22 7.9.2 XMI encoding 22 7..3 Example ...... 22 7.10 Linking 23 7.10.1 Design principles 23 7.10.2 Linking .... 23 7.10.3 Example for UML 25 7.11 Tailoring Schema Production 27 7.11.1 XMI Tag Values . 27 7.11.2 Tag Value Constraints 28 7.11.3 XML element vs XML attribute .. 29 7.11.4 Summary of XMI Tag Scope and Affect 30 7.11.5 Effects on Document Production 31 7.11.6 Example: Customize the XML Schema for a GIS Model ..... 32 7.12 Transmitting Metadata Differences .37 7.12.1 Motivation .... 7.12.2 Definitions 38 7.12.3 Differences ... .38 7.12.4 XMI encoding 39 7.12.5 Example of Differences 39 7.13 Document Exchange with Multiple Tools 40 7.13.1 Definitions ... 41 7.13.2 Procedures 41 7.13.3 Example ... 42 7.14 General Datatype Mechanism 43 7.15 Import Reconciliation .43 8 XML Schema Production .45 8.1 Purpose 8.1.1 Notation for EBNF .45 8.2 XMI Version 2 Schemas 45 8.1 EBNF ... 8.2.2 Fixed Schema Declarations ... .53 9 XML Document Production 55 9.1 Purpose .55 9.2 General .55 9.3 Serialization Model .55 9.4 XMI Representation of the Core Packages .56 iv @ ISO/IEC 2014 - All rights reserved CopyrightInternationalOrganizationfor Standardization No reproduction or networking permitted without license from IHS Not for Resale ISO/IEC 19509:2014(E) 9.4.1 EMOF Package 56 9.4.2 CMOF Package 58 9.5 EBNF Rules Representation .59 9.5.1 Overall Document Structure .60 9.5.2 Object Structure . 61 9.5.3 E