MD Identifier

From NOAA Environmental Data Management Wiki
(Redirected from RS Identifier)

MD_Identifier - For a value uniquely identifying an object within a namespace.


Elements

Definition and Recommended Practice

1 authority 0..1 Citation to person or party responsible for maintenance of the code value.
2 code 1 The alphanumeric value that uniquely identifies the referenced resource. When the identifer has a permanent URL, then use the gmx:Anchor field instead of gco:CharacterString field.

More Information

UML
MD Identifier.PNG
Links
Example

For "code" element: <gmd:code><gmx:Anchor xlink:href="https://dx.doi.org/10.7289/V52Z13FT" xlink:title="DOI"xlink:actuate="onRequest">doi:10.7289/V52Z13FT</gmx:Anchor></gmd:code>




RS_Identifier - Identifier used for reference systems.


1 authority 0..1 Citation to person or party responsible for maintenance of the code value.
2 code 1 The alphanumeric value that uniquely identifies the referenced resource. When the identifer has a permanent URL, then use the gmx:Anchor field instead of gco:CharacterString field. Example: urn:ogc:def:crs:EPSG::4326
3 codeSpace 0..1 Namespace of the system in which the code is valid.
4 version 0..1 The version of the code value. Example: 6.18.3


More Information

UML
RS Identifier.png
Links
Examples

For "authority" element: authority: (CI_Citation) title: European Petroleum Survey Group (EPSG) Geodetic Parameter Registry date: (CI_Date) date: 2008-11-12 dateType: (CI_DateTypeCode) citedResponsibleParty: (CI_ResponsibleParty) organisationName: European Petroleum Survey Group contactInfo: (CI_Contact) onlineResource: (CI_OnlineResource) linkage: http://www.epsg-registry.org/ name: European Petroleum Survey Group Geodetic Parameter Dataset description: Registry that accesses the EPSG Geodetic Parameter Dataset, which is a structured dataset of Coordinate Reference Systems and Coordinate Transformations. function: (CI_OnLineFunctionCode) search role: (inapplicable)



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