ISO/IEC INTERNATIONAL STANDARD 19756 First edition 2011-06-15 Information technology Topic Maps Constraint Language (TMCL) Technologies de I'information - Plans relatifs a des sujets - Contraintes de langage (TMCL) Reference number ISO/IEC 19756:2011(E) IEC ISo @ISO/IEC2011 ISO/IEC 19756:2011(E) COPYRIGHT PROTECTED DOCUMENT @ISO/IEC2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, ISO's member body in the country of the requester. 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 2011 - All riahts reserved ISO/IEC 19756:2011(E) Contents Page Foreword... Introduction.. 1 2 Normative references.. 3 Notation and Conventions.... 3.1 3.2 tmdm:subject... 3.3 Following an Association... 3.4 3.5 Playing a Role... 3.6 Being a Subtype... 3.7 3.8 Matching a Regular Expression.... 3.9 The Value of an Occurrence.... 3.10 Comparison of iso:ctm-integer values.. 4 Validation Semantics.... 5 TMCL Syntax... 6 TMCL Declarations... 6.1 General............ 6.2 Topic Type.... 6.3 Name Type. 6.4 Occurrence Type.. 6.5 Association Type.. 6.6 Role Type... 6.7 Overlap Declaration.... 7 TMCL Constraint Types.. 7.1 7.2 7.3 Subject Identifier Constraint.. 7.4 Subject Locator Constraint... 7.5 Item Identifier Constraint.... 7.6 Topic Name Constraint.. 7.7 Variant Name Constraint. 7.8 Topic Occurrence Constraint. 7.9 Topic Role Constraint.... 7.10 Scope Constraint... 7.11 Scope Required Constraint... 7.12 Reifier Constraint............ 12 7.13 Topic Reifies Constraint... 12 7.14 Association Role Constraint. 13 7.15 Role Combination Constraint.. 14 7.16 Occurrence Data Type Constraint.... 15 7.17 Unique Value Constraint...... 15 7.18 Regular Expression Constraint.... 16 8 Additional TMCL Templates... 16 9 User-defined Constraints.. 16 9.1 General....... 16 9.2 Denial Constraint.... 9.3 Requirement Constraint... 17 10 Schema Documentation 17 10.1 General. 17 10.2 The Schema Topic.... 17 inn All riahts reserved ili