ISO/TR TECHNICAL REPORT 25100 Second edition 2012-09-15 Intelligent transport systems Systems architecture Harmonization of ITS data concepts Systemes intelligents de transportArchitecture des systemes- Harmonisation des concepts de données S/T Reference number ISO/TR 25100:2012(E) @ ISO 2012 IHSunder Not for Resale ISO/TR 25100:2012(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or isO's memberbody 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 2012 - All rights reserved itted without license from IHS Not for Resale ISO/TR25100:2012(E) Contents Page Foreword Introduction 1 Scope. 2 Terms, definitions and abbreviated terms... 2.1 Terms and definitions ... 2.2 Abbreviated terms ... Background issues . 3.1 Proprietary data concepts .... 3.2 Semanticdifferences. 3.3 Structural differences . 3.4 Difficulty of application of existing data concepts 3.5 Reportofinvestigation..... 4 Harmonisation -- General discussion.. 4.1 Introduction to harmonisation .. 4.2 Illustration of the need for harmonisation, 4.3 Challenges in harmonisation 4.4 Harmonisation processes ... 4.5 Steps in the harmonisation process 4.6 Other work related to harmonisation 11 5 Current approaches to harmonisation in ITs international standards 11 5.1 Four approaches . 5.2 Iso 14817 harmonisation ... 12 5.3 ISO/IEc 20943 approach 13 5.4 TBG17 Business process & core components ..... 5.5 6 Harmonisation approach for designers of data specifications... 6.1 Where there are relevant core components in a metadata registry or library ... 24 6.2 Where there is no relevant registry using core components ...... 25 7 Harmonisationasameanstoimproveefficiency.. 25 8 Conclusions and recommendations .. 26 Annex A (informative) Conventions for precise core component mappings . .28 Bibliography.. 33 Copyrght International OrganizaionfStandardizaonghts reserved ii se from IHS Not for Resale