Language Resource Management—Lexical Markup Framework (LMF)
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© ISO 2005 – All rights reserved J’Reference number of working document: ISO/TC 37/SC 4 N130 Rev.6 Date: 2005-06-15 Working draft of ISO WD 24613:2005 Committee identification: ISO/TC 37/SC 4 Secretariat: KATS Language resource management—Lexical markup framework (LMF) Warning This document is not an ISO International Standard. It is distributed for review and comment. It is subject to change without notice and may not be referred to as an International Standard. Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to provide supporting documentation. Document type: International standard Document subtype: if applicable Document stage: 00.20 Document language: en ISO 24613:2005 Copyright notice This ISO document is a draft revision and is copyright-protected by ISO. 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Violators may be prosecuted. © ISO 2005 – All rights reserved ii ISO 24613:2005 Table of contents Warning............................................................................................................................................................... 1 Copyright notice................................................................................................................................................. ii Foreword............................................................................................................................................................ vi 1 Scope ..................................................................................................................................................... 9 2 Normative references ........................................................................................................................... 9 3 Definitions............................................................................................................................................ 10 4 Specifications...................................................................................................................................... 16 4.1 Fundamental principles...................................................................................................................... 16 4.1.1 Principle of simplicity and clarity................................................................................................. 16 4.1.2 Principle of consistency and completeness............................................................................... 16 4.1.3 Principle of universal expressiveness......................................................................................... 16 4.1.4 Principle of scalability................................................................................................................... 16 4.2 Key standards used by the LMF........................................................................................................ 16 4.2.1 UNICODE ........................................................................................................................................ 16 4.2.2 ISO 12620 Data Category Registry (DCR).................................................................................... 16 4.2.3 Unified Modeling Language (UML)............................................................................................... 16 5 LMF model ........................................................................................................................................... 19 5.1 Introduction ......................................................................................................................................... 19 5.2 The LMF structure............................................................................................................................... 19 5.2.1 Core model and extensions.......................................................................................................... 19 5.2.2 Building blocks .............................................................................................................................. 20 5.2.3 LMF common mechanisms........................................................................................................... 20 5.2.4 Scope of LMF core model ............................................................................................................. 21 5.3 Analysis and design classes ............................................................................................................. 21 6 LMF core model................................................................................................................................... 22 6.1 LMF core model class diagram ......................................................................................................... 22 6.2 LMF core class specifications........................................................................................................... 22 6.2.1 Database class............................................................................................................................... 22 6.2.2 Lexicon class ................................................................................................................................. 23 6.2.3 Lexicon information class ............................................................................................................ 23 6.2.4 Lexical entry class......................................................................................................................... 23 6.2.5 Form class ...................................................................................................................................... 23 6.2.6 Sense class .................................................................................................................................... 23 6.3 LMF core subclasses.......................................................................................................................... 23 6.4 Data category organization................................................................................................................ 24 6.4.1 Data Category Registry ................................................................................................................. 24 6.4.2 User-defined Data Categories ...................................................................................................... 24 6.4.3 Data Category Selection ............................................................................................................... 24 6.4.4 Class specifiers.............................................................................................................................. 25 6.4.5 Implementation of attributes through data categories .............................................................. 25 6.4.6 Example of data category organization....................................................................................... 25 6.5 LMF usage ........................................................................................................................................... 26 6.5.1 Introduction .................................................................................................................................... 26 6.5.2 Composition mechanisms ............................................................................................................ 26 6.6 LMF Conformance criteria ................................................................................................................. 27 Annex A (normative) Extension for Machine Readable Dictionaries ......................................................... 28 A.1 Extension Mechanisms for MRD ....................................................................................................... 28 A.1.1 Additional Classes and Subclasses ............................................................................................ 28 A.1.2 Relationships ................................................................................................................................. 28 A.1.3 DCS ................................................................................................................................................. 28 A.2 Monolingual MRD Extension ............................................................................................................. 29 A.2.1 UML Diagram.................................................................................................................................. 29 A.2.2 Specifications................................................................................................................................