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    CAN CSA-ISO IEC 11179-4-2005 Information technology - Metadata registries (MDR) - Part 4 Formulation of data definitions.pdf

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    CAN CSA-ISO IEC 11179-4-2005 Information technology - Metadata registries (MDR) - Part 4 Formulation of data definitions.pdf

    1、 Reference numberISO/IEC 11179-4:2004(E)ISO/IEC 2004Information technology Metadata registries (MDR) Part 4: Formulation of data definitions Technologies de linformation Registres de mtadonnes (RM) Partie 4: Formulation des dfinitions de donnes National Standard of CanadaCAN/CSA-ISO/IEC 11179-4:05(I

    2、SO/IEC 11179-4:2004)International Standard ISO/IEC 11179-4:2004 (second edition, 2004-07-15) has been adopted withoutmodification (IDT) as CSA Standard CAN/CSA-ISO/IEC 11179-4:05, which has been approved as a NationalStandard of Canada by the Standards Council of Canada.ISBN 1-55397-921-4 October 20

    3、05The Canadian Standards Association (CSA), under whose auspices this National Standard has been produced, was chartered in 1919 and accredited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for-profit, nonstatutory, voluntary membership association engaged

    4、in standards development and certification activities. CSA standards reflect a national consensus of producers and users including manufacturers, consumers, retailers, unions and professional organizations, and governmental agencies. The standards are used widely by industry and commerce and often a

    5、dopted by municipal, provincial, and federal governments in their regulations, particularly in the fields of health, safety, building and construction, and the environment. Individuals, companies, and associations across Canada indicate their support for CSAs standards development by volunteering th

    6、eir time and skills to CSA Committee work and supporting the Associations objectives through sustaining memberships. The more than 7000 committee volunteers and the 2000 sustaining memberships together form CSAs total membership from which its Directors are chosen. Sustaining memberships represent a

    7、 major source of income for CSAs standards development activities. The Association offers certification and testing services in support of and as an extension to its standards development activities. To ensure the integrity of its certification process, the Association regularly and continually audi

    8、ts and inspects products that bear the CSA Mark. In addition to its head office and laboratory complex in Toronto, CSA has regional branch offices in major centres across Canada and inspection and testing agencies in eight countries. Since 1919, the Association has developed the necessary expertise

    9、to meet its corporate mission: CSA is an independent service organization whose mission is to provide an open and effective forum for activities facilitating the exchange of goods and services through the use of standards, certification and related services to meet national and international needs.F

    10、or further information on CSA services, write toCanadian Standards Association5060 Spectrum Way, Suite 100Mississauga, Ontario, L4W 5N6CanadaThe Standards Council of Canada is the coordinating body of the National Standards system, a federation of independent, autonomous organizations working toward

    11、s the further development and improvement of voluntary standardization in the national interest. The principal objects of the Council are to foster and promote voluntary standardization as a means of advancing the national economy, benefiting the health, safety, and welfare of the public, assisting

    12、and protecting the consumer, facilitating domestic and international trade, and furthering international cooperation in the field of standards. A National Standard of Canada is a standard which has been approved by the Standards Council of Canada and one which reflects a reasonable agreement among t

    13、he views of a number of capable individuals whose collective interests provide to the greatest practicable extent a balance of representation of producers, users, consumers, and others with relevant interests, as may be appropriate to the subject in hand. It normally is a standard which is capable o

    14、f making a significant and timely contribution to the national interest. Approval of a standard as a National Standard of Canada indicates that a standard conforms to the criteria and procedures established by the Standards Council of Canada. Approval does not refer to the technical content of the s

    15、tandard; this remains the continuing responsibility of the accredited standards development organization. Those who have a need to apply standards are encouraged to use National Standards of Canada whenever practicable. These standards are subject to periodic review; therefore, users are cautioned t

    16、o obtain the latest edition from the organization preparing the standard.The responsibility for approving National Standards of Canada rests with theStandards Council of Canada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaAlthough the intended primary application of this Standard is stat

    17、ed in its Scope, it is importantto note that it remains the responsibility of the users to judge its suitability for their particular purpose.Registered trade-mark of Canadian Standards AssociationCette norme est offerte en anglais seulement pour le moment. La CSA publiera la version enfranais ds qu

    18、elle sera produite par lorganisme rdacteur.CAN/CSA-ISO/IEC 11179-4:05Information technology Metadata registries(MDR) Part 4: Formulation of data definitionsOctober 2005 Canadian Standards Association CSA/1CAN/CSA-ISO/IEC 11179-4:05Information technology Metadata registries (MDR) Part 4: Formulation

    19、of data definitionsCSA PrefaceStandards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technic

    20、al Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International Telecommunication Union (ITU), Canada participates in the International

    21、Telegraph and Telephone Consultative Committee (ITU-T).This Standard supersedes CAN/CSA-ISO/IEC 11179-00 (adoption of ISO/IEC 11179-4:1995). At the time of publication, ISO/IEC 11179-4:2004 is available from ISO and IEC in English only. CSA will publish the French version when it becomes available f

    22、rom ISO and IEC.This International Standard was reviewed by the CSA TCIT under the jurisdiction of the Strategic Steering Committee on Information Technology and deemed acceptable for use in Canada. (A committee membership list is available on request from the CSA Project Manager.) From time to time

    23、, ISO/IEC may publish addenda, corrigenda, etc. The CSA TCIT will review these documents for approval and publication. For a listing, refer to the CSA Information Products catalogue or CSA Info Update or contact a CSA Sales representative. This Standard has been formally approved, without modificati

    24、on, by the Technical Committee and has been approved as a National Standard of Canada by the Standards Council of Canada.October 2005 Canadian Standards Association 2005All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission ofthe publis

    25、her. ISO/IEC material is reprinted with permission. Where the words “this International Standard” appear in the text, they should be interpreted as “this National Standard of Canada”.Inquiries regarding this National Standard of Canada should be addressed toCanadian Standards Association5060 Spectru

    26、m Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044www.csa.caReference numberISO/IEC 11179-4:2004(E)ISO/IEC 2004INTERNATIONAL STANDARD ISO/IEC11179-4Second edition2004-07-15Information technology Metadata registries (MDR) Part 4: Formulation of data definitions Technolo

    27、gies de linformation Registres de mtadonnes (RM) Partie 4: Formulation des dfinitions de donnes ISO/IEC 11179-4:2004(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typef

    28、aces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Sy

    29、stems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikel

    30、y event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO/IEC 2004 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 p

    31、hotocopying and microfilm, without permission in writing from either ISO at the address below or ISOs 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 copyrightiso.org Web www.iso.org ii ISO/IEC 20

    32、04 All rights reservedISO/IEC 11179-4:2004(E) ISO/IEC 2004 All rights reserved iiiContents Page Foreword iv Introduction v 1 Scope 1 2 Conformance . 1 3 Terms and definitions. 1 4 Summary of data definition requirements and recommendations 3 4.1 Requirements 3 4.2 Recommendations 3 5 Provisions 4 5.

    33、1 Premises 4 5.2 Requirements 4 5.3 Recommendations 6 Bibliography . 9 ISO/IEC 11179-4:2004(E) iv ISO/IEC 2004 All rights reservedForeword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide standa

    34、rdization. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organization to deal with particular fields of technical activity. ISO and IEC technical committees collaborate in fields of

    35、mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in acco

    36、rdance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an International St

    37、andard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. ISO/IEC 1117

    38、9-4 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 32, Data management and interchange. This second edition cancels and replaces the first edition (ISO/IEC 11179-4:1995), which has been technically revised. ISO/IEC 11179 consists of the following par

    39、ts, under the general title Information technology Metadata registries (MDR): Part 1: Framework Part 3: Registry metamodel and basic attributes Part 4: Formulation of data definitions Part 5: Naming and identification principles Part 6: Registration The following part is under preparation: Part 2: C

    40、lassification ISO/IEC 11179-4:2004(E) ISO/IEC 2004 All rights reserved vIntroduction Data processing and electronic data interchange rely heavily on accurate, reliable, controllable and verifiable data recorded in databases. A prerequisite for correct and proper use and interpretation of data is tha

    41、t both users and owners of data have a common understanding of the meaning and representation of the data. To facilitate this common understanding, a number of characteristics, or attributes of the data have to be defined. These characteristics of data are known as “metadata”, that is, “data that de

    42、scribes data”. This part of ISO/IEC 11179 specifies requirements and recommendations on the formulation of data definitions that are specified in Metadata Registries. The purpose of these definitions is to specify, describe, explain, and clarify the meaning of data, to promote the standardization or

    43、 reuse of data elements, and to promote data sharing and integration of information systems. The structure of a Metadata Registry is specified in the form of a conceptual data model. The Metadata Registry is used to keep information about data elements and associated concepts, such as “data element

    44、concepts”, “conceptual domains”, and “value domains”. Generically, these are all referred to as “metadata items”. Such metadata are necessary to clearly describe, record, analyse, classify, and administer data. The definitional requirements and recommendations specified in this part of ISO/IEC 11179

    45、 do not always apply to terminological definitions found in glossaries and language dictionaries. Differences exist between the requirements that apply in a language dictionary, and the requirements that apply in a metadata registry. The requirements for ISO/IEC 11179 are more restrictive than those

    46、 for a natural language dictionary. For example, a language dictionary may have multiple definitions covering multiple senses of a term or word, whereas data definitions are developed for particular contexts and should not have multiple senses within any context. Data definitions are intended to exp

    47、licate the concept or concepts, which are represented by a collection of data, a data value, a data element, or other metadata item. A single definition may be established as the reference definition, with other definitions asserted to be equivalent (e.g., a definition in one language may be establi

    48、shed as a reference definition, with definitions in other languages asserted to be equivalent). Metadata items may have a single preferred definition within a particular context, with other deprecated definitions. Many data definitions include terms that themselves need to be defined (e.g., “charge”

    49、, “allowance”, “delivery”). Some of these terms may have different definitions in different industrial sectors. Therefore, there is a need for most metadata registries to establish an associated glossary or terminology reference of terms used in the definitions. INTERNATIONAL STANDARD ISO/IEC 11179-4:2004(E) ISO/IEC 2004 All rights reserved 1Information technology Metadata registries (MDR) Part 4: Formulation of data definitions 1 Scope This part of ISO/IEC 11179 specifies requirements and recom


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