IEC INTERNATIONAL STANDARD 61970-501 First edition 2006-03 Energy management system application program interface (EMS-APl) Part 501: Common Information Model Resource Description Framework (CIM RDF) schema IEC Referencenumber IEC 61970-501:2006(E) Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1is now referred to as IEC 60034-1. Consolidated editions The IEc is now publishing consolidated versions of its publications. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively,to the base publication, the amendments 1 and 2. FurtherinformationonIECpublications The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to this.publication, including its.validity, is available in the IEc Catalogue of publications (see below) in addition to new editions, amendments and corrigenda. information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is also available from the following: IEc Web Site (www.iec.ch) Catalogueof IEC publications The on-line catalogue on the IEC web site (www.iec.ch/searchpub) enables you to search by a variety of criteria including text searches, technical committees and date of publication. On-line information is also available on recently issued publications, withdrawn and replaced publications, as well as corrigenda. IECJustPublished This summary of recently issued publications (www.iec.ch/online news/ justpub) is also available by email. Please contact the Customer Service Centre (see below) for further information Customer Service Centre If you have any questions regarding this publication or need further assistance. please contactthe Customer Service Centre: Email: [email protected] Tel: +41 22 919 02 11 Fax: +41229190300 IEC INTERNATIONAL STANDARD 61970-501 First edition 2006-03 Energy management system application program interface (EMS-APl) Part 501: Common Information Model Resource Description Framework (CIM RDF) schema @ IEC 2006—Copyright -all rights reserved mechanical, including photocopying and microfilm, without permission in writing from the publisher. International Electrotechnical Commission, 3, rue de Varembe, PO Box 131, CH-1211 Geneva 20, Switzerland Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: [email protected] Web: www.iec.ch R IEC PRICECODE Commission Electrotechnique Internationale nternational Electrotechnical Commission MekAyHapoAHag3nekTpoTexHuyeckagKomucCg For price, see current catalogue 61970-501@IEC:2006(E) 2 CONTENTS FOREWORD INTRODUCTION Scope. 2 Normative references. .6 3 Terms and definitions 4 StructureofanXMLdocument General. 4.1 4.2 Elements. 4.3 Attributes 8 5 Metadata and RDF Schema. 5.1 General 5.2 Resource. 5.3 Property . 5.4 Namespaces 5.5 CIMRDFSchema extensions CIM metadata. 6.1 General. 6.2 Schema 6.3 Mapping from UML 6.4 ExampleCIMRDFSchemaelements 15 AnnexA(informative)CiMRDFSchemageneration-Mechanismfor schemageneration...18 61970-501@IEC:2006(E) - 3 - INTERNATIONALELECTROTECHNICALCOMMISSION ENERGYMANAGEMENTSYSTEMAPPLICATION PROGRAMINTERFACE(EMS-API) - Part5o1:CommonInformationModelResource DescriptionFramework(CiMRDF)schema FOREWORD The International Electrotechnical Commission (IEC)is a worldwide organization for standardization comprising 1 all national electrotechnical committees (IEC National Committees). Technical Reports, Publicly AvailableSpecifications (PAS) and Guides(hereafter referred to as "TEC Publication(s)").Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. International, governmental and non- governmental organizations liaising with the IEC also participate in this preparation. .IEC collaborates clos