Jumps: IvoaResReg :: registry mail archive :: VOResource :: VODataService :: StandardsRegExt
Meetings: InterOpOct2011Registry :: InterOpMay2011Registry :: InterOpMay2010Reg :: InterOpNov2009Reg :: InterOpMay2009ResReg :: InterOpMay2008ResReg :: InterOpSep2007ResReg :: InterOpMay2007ResReg

VOResource Extensions for Describing SSA, SIA, SLA, and ConeSearch Services

Note:
This standard SimpleDALRegExt is formerly known as RegSimpleDAL; discussion of the standard has moved here.

The page tracks the development of the IVOA specification document defining VOResource Extensions for SSA, SIA, SLA, and ConeSearch Services. The draft abstract is as follows:

An application that queries or consumes descriptions of VO resources must be able to recognize a resource's support for standard IVOA protocols. This specification describes how to describe a services that supports four fundemental 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. This document describes in particular rules for describing such services within the context of IVOA Registries and data discovery as well as the VO Stadard Interface (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.

Contents

Documents

Proposed Recommendation
Describing Simple Data Access Services v1.0 -- 20121116
  • The RFC is closed; this version is the revision presented for TCG review
  • This abbreviated PDF does not include the appendix listing the full XML Schemas for 50% fewer pages.

Submitted to Doc Repository
Describing Simple Data Access Services v1.0 -- 20130911 (PDF)

Internal REC Revision
Describing Simple Data Access Services v1.0 -- 20130911
  • This is a pre-release REC draft that includes requested TCG changes to date.

Internal PR Schemas (upload to repository pending)
ConeSearch-v1.0pr4.xsd
SIA-v1.1pr4.xsd
SSA-v1.1pr3.xsd
SLAP-v1.0pr2.xsd

Samples

Status

  • SimpleDALRegExt is currently in TCG Review period: Dec 2012 - January, 2013
  • Two major changes were incorporated into the latest draft as a result of the Oct 2011 Interop:
    • recommended prefix changed from ssa to ssap
    • re-added <supportedFrame>
The details can be reviewed in this follow-up report

-- GretchenGreene - August 3, 2012

Schema-to-Spec Stylesheet

To support this effort, a few people (Harrison, Plante) have author XSL stylesheets to convert XML Schemas into HTML. Ray Plante's efforts have been uploaded to the volute google code repository under trunk/projects/registry/tools. more info coming

Comments to current draft

The suggested ssa: prefix for the SSAP extension schema is unfortunate. This is due to the abuse of xmlns in "binding" the model name (the thing before the colon in a utype) to a data model URL in the SSA spec. Withit, in any document that contains SSA utypes (e.g., table definitions of SSA services), the ssa XML prefix is taken. So -- can we use ssap? Or ssareg?

-- MarkusDemleitner - 18 May 2011

The suggestion was incorporated into the latest draft.

-- RayPlante

Historical materials

This work used to be traced via the RegSimpleDAL page. That page is now deprecated. Attachments to that page include:

Topic attachments
I Attachment Action Size Date Who Comment
Unknown file formatxsd ConeSearch-v1.0pr3.xsd manage 7.1 K 2012-10-26 - 13:16 RayPlante RFC versions
Unknown file formatxsd ConeSearch-v1.0pr4.xsd manage 8.1 K 2012-10-29 - 17:35 RayPlante Files for 20121026 PR release
Unknown file formatxsd ConeSearch-v1.0rec.xsd manage 8.1 K 2013-09-23 - 14:37 RayPlante  
Unknown file formatxsd ConeSearch-v1.0wd3.xsd manage 7.1 K 2012-05-18 - 05:13 RayPlante  
PDFpdf PR-SimpleDALRegExt-20121026-abbrev.pdf manage 641.0 K 2012-10-29 - 17:57 RayPlante abbreviated version of 20121026 PR release (no full XML schemas)
HTMLhtml PR-SimpleDALRegExt-20121026.html manage 240.2 K 2012-10-29 - 17:35 RayPlante Files for 20121026 PR release
PDFpdf PR-SimpleDALRegExt-20121026.pdf manage 979.4 K 2012-10-29 - 17:35 RayPlante Files for 20121026 PR release
PDFpdf PR-SimpleDALRegExt-20121116-abbrev.pdf manage 642.5 K 2012-12-04 - 18:04 RayPlante 20121116 version (XML schemas omitted for printability)
HTMLhtml PR-SimpleDALRegExt-20121116.html manage 240.6 K 2012-12-04 - 18:06 RayPlante 20121116 version
PDFpdf PR-SimpleDALRegExt-20121116.pdf manage 980.9 K 2012-12-04 - 18:06 RayPlante 20121116 version
PDFpdf PR-SimpleDALRegExt-20130911-abbrev.pdf manage 2579.5 K 2013-09-23 - 14:38 RayPlante  
HTMLhtml PR-SimpleDALRegExt-20130911.html manage 231.4 K 2013-09-23 - 14:10 RayPlante  
PDFpdf PR-SimpleDALRegExt-20130911.pdf manage 2277.0 K 2013-09-23 - 14:08 RayPlante  
HTMLhtml REC-SimpleDALRegExt-20130123.html manage 231.2 K 2013-01-23 - 18:02 RayPlante pre-release REC draft
HTMLhtml REC-SimpleDALRegExt-20130911.html manage 231.6 K 2013-09-12 - 15:40 RayPlante Post-TCG, pre-exec draft
Unknown file formatxsd SIA-v1.0pr1.xsd manage 13.6 K 2012-10-26 - 13:16 RayPlante RFC versions
Unknown file formatxsd SIA-v1.0pr3.xsd manage 17.2 K 2012-10-29 - 17:35 RayPlante Files for 20121026 PR release
Unknown file formatxsd SIA-v1.0wd2.xsd manage 13.6 K 2012-05-18 - 05:16 RayPlante pre RFC WD version
Unknown file formatxsd SIA-v1.1pr3.xsd manage 17.2 K 2013-01-23 - 17:58 RayPlante pre-release REC draft
Unknown file formatxsd SIA-v1.1pr4.xsd manage 17.4 K 2013-09-12 - 15:28 RayPlante  
Unknown file formatxsd SIA-v1.1rec.xsd manage 17.4 K 2013-09-23 - 14:37 RayPlante  
Unknown file formatxsd SLAP-v1.0pr1.xsd manage 10.6 K 2012-10-26 - 13:16 RayPlante RFC versions
Unknown file formatxsd SLAP-v1.0pr2.xsd manage 11.0 K 2012-10-29 - 17:35 RayPlante Files for 20121026 PR release
Unknown file formatxsd SLAP-v1.0rec.xsd manage 11.0 K 2013-09-23 - 14:37 RayPlante  
Unknown file formatxsd SLAP-v1.0wd2.xsd manage 10.6 K 2012-05-18 - 06:19 RayPlante pre RFC WD version
Unknown file formatxsd SSA-v1.0pr1.xsd manage 41.9 K 2012-10-26 - 13:16 RayPlante RFC versions
Unknown file formatxsd SSA-v1.0pr2.xsd manage 43.1 K 2012-10-29 - 17:35 RayPlante Files for 20121026 PR release
Unknown file formatxsd SSA-v1.0wd4.xsd manage 41.9 K 2012-05-18 - 06:19 RayPlante pre RFC WD version
Unknown file formatxsd SSA-v1.1pr3.xsd manage 43.4 K 2013-01-23 - 18:02 RayPlante pre-release REC draft
Unknown file formatxsd SSA-v1.1rec.xsd manage 43.4 K 2013-09-23 - 14:37 RayPlante  
HTMLhtml SimpleDALRegExt-wd.html manage 215.8 K 2012-05-18 - 05:15 RayPlante pre RFC WD version
XMLxml conesearch.xml manage 3.0 K 2012-05-18 - 06:28 RayPlante sample of a conesearch resource record
PNGpng dalregext-in-architecture.png manage 67.2 K 2011-09-21 - 16:58 RayPlante  
XMLxml sia.xml manage 8.4 K 2012-11-19 - 04:03 RayPlante updated for 20121026 PR release
XMLxml sia2ver.xml manage 4.1 K 2012-11-19 - 04:04 RayPlante updated for 20121026 PR release
XMLxml ssa.xml manage 8.3 K 2013-01-23 - 18:13 RayPlante sample: ssa resource record
Topic revision: r24 - 2013-09-23 - RayPlante
 
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