ANSI INCITS ISO TS 19139-2010 Geographic information C Metadata C XML schema implementation.pdf

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1、 INCITS/ISO TS 19139:2007 2015 (ISO/TS 19139:2007, IDT) Geographic information Metadata XML schema implementation INCITS/ISO TS 19139:2007 2015 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

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4、r bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. Registered by INCITS (InterNational Committee for Information Technology Standards) as an American National Standard. Date of Registration: 1/24/2016 Published by

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7、ning to this standard should be submitted to ITI, 1101 K Street NW, Suite 610, Washington DC 20005. Printed in the United States of America ii ITIC 2016 All rights reserved Reference numberISO/TS 19139:2007(E)ISO 2007TECHNICAL SPECIFICATION ISO/TS19139First edition2007-04-15Geographic information Me

8、tadata XML schema implementation Information gographique Mtadonnes Implmentation de schmas XML ISO/TS 19139:2007(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 typefaces

9、 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 System

10、s 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 unlikely ev

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13、iso.org Published in Switzerland ii ISO 2007 All rights reservedISO/TS 19139:2007(E) ISO 2007 All rights reserved iiiContents Page Foreword iv Introduction.v 1 Scope1 2 Conformance .1 3 Normative references1 4 Terms and definitions .2 5 Symbols and abbreviated terms 3 5.1 Acronyms .3 5.2 Namespace a

14、bbreviations 3 5.3 UML model relationships3 5.4 UML model stereotypes4 6 Requirements.5 6.1 Introduction to gmd.5 6.2 Rule-based .5 6.3 Quality 6 6.4 Web implementations .6 6.5 Use of external XML implementations 6 6.6 Multilingual support 6 6.7 Polymorphism7 6.8 Rules for application schema 7 7 Ext

15、ensions to the UML models in the ISO 19100 series of International Standards8 7.1 Introduction to extensions .8 7.2 Extensions specific to the web environment .8 7.3 Cultural and linguistic adaptability extensions9 7.4 Extensions for metadata-based transfers of geospatial information 11 8 Encoding r

16、ules.17 8.1 Introduction to encoding rules 17 8.2 Default XML Class Type encoding.17 8.3 XML Class Global Element encoding20 8.4 XML Class Property Type encoding20 8.5 Special case encodings22 8.6 XML namespace package encoding40 8.7 XML schema package encoding41 9 Encoding descriptions43 9.1 Introd

17、uction to the encoding descriptions .43 9.2 XML namespaces 43 9.3 gmd namespace 44 9.4 gss namespace50 9.5 gts namespace.52 9.6 gsr namespace 53 9.7 gco namespace54 9.8 gmx namespace.65 9.9 From the conceptual schema to XML file instances72 Annex A (normative) Abstract test suite 74 Annex B (normati

18、ve) Data dictionary for extensions77 Annex C (informative) Geographic Metadata XML resources 87 Annex D (informative) Implementation examples89 Bibliography111 ISO/TS 19139:2007(E) iv ISO 2007 All rights reservedForeword ISO (the International Organization for Standardization) is a worldwide federat

19、ion of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committe

20、e. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance

21、with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires app

22、roval by at least 75 % of the member bodies casting a vote. In other circumstances, particularly when there is an urgent market requirement for such documents, a technical committee may decide to publish other types of normative document: an ISO Publicly Available Specification (ISO/PAS) represents

23、an agreement between technical experts in an ISO working group and is accepted for publication if it is approved by more than 50 % of the members of the parent committee casting a vote; an ISO Technical Specification (ISO/TS) represents an agreement between the members of a technical committee and i

24、s accepted for publication if it is approved by 2/3 of the members of the committee casting a vote. An ISO/PAS or ISO/TS is reviewed after three years in order to decide whether it will be confirmed for a further three years, revised to become an International Standard, or withdrawn. If the ISO/PAS

25、or ISO/TS is confirmed, it is reviewed again after a further three years, at which time it must either be transformed into an International Standard or be withdrawn. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be

26、 held responsible for identifying any or all such patent rights. ISO/TS 19139 was prepared by Technical Committee ISO/TC 211, Geographic information/Geomatics. ISO/TS 19139:2007(E) ISO 2007 All rights reserved vIntroduction The importance of metadata describing digital geographic data is explained i

27、n detail in the text of ISO 19115. ISO 19115 provides a structure for describing digital geographic data by defining metadata elements and establishing a common set of metadata terminology, definitions and extension procedures. ISO 19115 is abstract in that it provides a worldwide view of metadata r

28、elative to geographic information, but no encoding. Since ISO 19115 does not provide any encoding, the actual implementation of geographic information metadata could vary based on the interpretation of metadata producers. In an attempt to facilitate the standardization of implementations, this compr

29、ehensive metadata implementation specification provides a definitive, rule-based encoding for applying ISO 19115. This Technical Specification provides Extensible Markup Language (XML) schemas that are meant to enhance interoperability by providing a common specification for describing, validating a

30、nd exchanging metadata about geographic datasets, dataset series, individual geographic features, feature attributes, feature types, feature properties, etc. ISO 19115 defines general-purpose metadata in the field of geographic information. More detailed metadata for geographic data types and geogra

31、phic services are defined in other ISO 19100 series standards and user extensions (ISO 19115). This Technical Specification is also intended to define implementation guidelines for general-purpose metadata. Where necessary, interpretations of some other ISO 19100 series standards are incorporated. I

32、SO 19118 describes the requirements for creating encoding rules based on UML schemas and the XML-based encoding rules as well as providing an introduction to XML. This Technical Specification utilizes the encoding rules defined in ISO 19118 and provides the specific details of their application with

33、 regard to deriving XML schema for the UML models in ISO 19115. TECHNICAL SPECIFICATION ISO/TS 19139:2007(E) ISO 2007 All rights reserved 1Geographic information Metadata XML schema implementation 1 Scope This Technical Specification defines Geographic MetaData XML (gmd) encoding, an XML schema impl

34、ementation derived from ISO 19115. 2 Conformance Conformance with this Technical Specification shall be checked using all the relevant tests specified in Annex A. The framework, concepts, and methodology for testing, and the criteria to be achieved to claim conformance are specified in ISO 19105. 3

35、Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 639-2, Codes for the rep

36、resentation of names of languages Part 2: Alpha-3 code ISO 3166 (all parts), Codes for the representation of names of countries and their subdivisions ISO 8601, Data elements and interchange formats Information interchange Representation of dates and times ISO/IEC 10646, Information technology Unive

37、rsal Multiple-Octet Coded Character Set (UCS) ISO/TS 19103, Geographic information Conceptual schema language ISO 19105, Geographic information Conformance and testing ISO 19107, Geographic information Spatial schema ISO 19108, Geographic information Temporal schema ISO 19109, Geographic information

38、 Rules for application schema ISO 19110, Geographic information Methodology for feature cataloguing ISO 19111:1), Geographic information Spatial referencing by coordinates ISO 19115:2003, Geographic information Metadata 1) To be published. (Revision of ISO 19111:2003) ISO/TS 19139:2007(E) 2 ISO 2007

39、 All rights reservedISO 19115:2003/Cor. 1:2006, Geographic information Metadata Technical Corrigendum 1 ISO 19117, Geographic information Portrayal ISO 19118:2005, Geographic information Encoding ISO 19136:2), Geographic information Geography Markup Language (GML) W3C XMLName, Namespaces in XML. W3C

40、 Recommendation (14 January 1999) W3C XMLSchema-1, XML Schema Part 1: Structures. W3C Recommendation (2 May 2001) W3C XMLSchema-2, XML Schema Part 2: Datatypes. W3C Recommendation (2 May 2001) W3C XML, Extensible Markup Language (XML) 1.0 (Second Edition), W3C Recommendation (6 October 2000) W3C XLi

41、nk, XML Linking Language (XLink) Version 1.0. W3C Recommendation (27 June 2001) 4 Terms and definitions For the purposes of this Technical Specification, the following terms and definitions apply. 4.1 namespace collection of names, identified by a URI reference, that are used in XML documents as ele

42、ment names and attribute names W3C XML 4.2 package general purpose mechanism for organizing elements into groups ISO/TS 19103, definition 4.2.22 EXAMPLE Identification information; Metadata entity set information; Constraint information. 4.3 realization semantic relationship between classifiers, whe

43、rein one classifier specifies a contract that another classifier guarantees to carry out Booch 1999 4.4 polymorphism characteristic of being able to assign a different meaning or usage to something in different contexts specifically, to allow an entity such as a variable, a function, or an object to

44、 have more than one form NOTE There are several different kinds of polymorphism. http:/ 2) To be published. ISO/TS 19139:2007(E) ISO 2007 All rights reserved 35 Symbols and abbreviated terms 5.1 Acronyms UML Unified Modelling Language XCT XML Class Type XCPT XML Class Property Type XCGE XML Class Gl

45、obal Element XML Extensible Markup Language XPath XML Path Language XSD XML Schema Definition XSL Extensible Style Language XSLT XSL Transformation 5.2 Namespace abbreviations In the lists below, the item on the left describes the common namespace prefix used to describe the elements in the namespac

46、e. The second item is an English description of the namespace prefix, and the item in parenthesis is the URI of the actual namespace. These URIs do not correspond necessarily to an effective location of the schemas. This first list corresponds to the namespaces defined by this Technical Specificatio

47、n. gco Geographic Common extensible markup language (http:/www.isotc211.org/2005/gco) gmd Geographic MetaData extensible markup language (http:/www.isotc211.org/2005/gmd) gmx Geographic Metadata XML Schema (http:/www.isotc211.org/2005/gmx) gss Geographic Spatial Schema extensible markup language (ht

48、tp:/www.isotc211.org/2005/gss) gsr Geographic Spatial Referencing extensible markup language (http:/www.isotc211.org/2005/gsr) gts Geographic Temporal Schema extensible markup language (http:/www.isotc211.org/2005/gts) This second list corresponds to external namespaces used by this Technical Specif

49、ication. gml Geography Markup Language (use the GML namespace URI stated in ISO 19136) xlink XML Linking Language (use the XLINK namespace URI stated in the W3C XLink recommendation) xs W3C XML base schemas (use the XML schema namespace URI stated in the W3C XMLSchema-1 and W3C XMLSchema-2 recommendations) 5.3 UML model relationships The diagrams that appear