standards > model/format > DOI:10.25504/FAIRsharing.8ezzRt


ready SimpleDALRegExt - Describing Simple IVOA Data Access Services

Abbreviation: SimpleDALRegExt


General Information
An application that queries or consumes descriptions of VO resources must be able to recognize a resource's support for standard IVOA protocols. The SimpleDALRegExt specification describes how to describe a service that supports any of the four typed data access protocols - Simple Cone Search (SCS), Simple Image Access (SIA), Simple Spectral Access (SSA), Simple Line Access (SLA) - using the VOResource XML encoding standard. A key part of this specification is the set of VOResource XML extension schemas that define new metadata that are specific to those protocols. SimpleDALRegExt describes rules for describing such services within the context of IVOA Registries and data discovery as well as the VO Support Interfaces (VOSI) and service self-description. In particular, this document spells out the essential mark-up needed to identify support for a standard protocol and the base URL required to access the interface that supports that protocol.

Homepage http://ivoa.net/documents/SimpleDALRegExt/index.html

Countries that developed this resource Worldwide

Created in 2017

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How to cite this record FAIRsharing.org: SimpleDALRegExt; SimpleDALRegExt - Describing Simple IVOA Data Access Services; DOI: https://doi.org/10.25504/FAIRsharing.8ezzRt; Last edited: Jan. 8, 2019, 1:36 p.m.; Last accessed: Jun 17 2019 5:56 a.m.


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Record added: April 26, 2018, 11:04 a.m.
Record updated: Oct. 11, 2018, 10:25 a.m. by carviset.

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In Collections
International Virtual Observatory Alliance (IVOA)


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online documentation View Standard

Additional Information

Contact IVOA Resource Registry Working Group

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Download Standard (TEX) http://ivoa.net/documents/SimpleDALRegExt/20170530/REC-SimpleDALRegExt ...
Download Standard (PDF) http://ivoa.net/documents/SimpleDALRegExt/20170530/REC-SimpleDALRegExt ...



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