SimpleDALRegExt < IVOA

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---+!! 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:

<blockquote>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.</blockquote>

---+++!! Contents

%TOC%

---++ Documents

   $ Proposed Recommendation: [[http://www.ivoa.net/Documents/SimpleDALRegExt/index.html][Describing Simple Data Access Services v1.0]] -- 20121116 
      * The [[SimpleDALRegExt10RFC][RFC]] is closed; this version is the revision presented for TCG review
      * This [[%ATTACHURL%/PR-SimpleDALRegExt-20121116-abbrev.pdf][abbreviated PDF]] does not include the appendix listing the full XML Schemas for 50% fewer pages.

   $ Internal REC Revision: [[%ATTACHURL%/REC-SimpleDALRegExt-20130911.html][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): [[%ATTACHURL%/ConeSearch-v1.0pr4.xsd][ConeSearch-v1.0pr4.xsd]] %BR% [[%ATTACHURL%/SIA-v1.1pr4.xsd][SIA-v1.1pr4.xsd]] %BR% [[%ATTACHURL%/SSA-v1.1pr3.xsd][SSA-v1.1pr3.xsd]] %BR% [[%ATTACHURL%/SLAP-v1.0pr2.xsd][SLAP-v1.0pr2.xsd]]

<!--
   $ Working Draft Schemas:  [[http://www.ivoa.net/xml/ConeSearch-v1.0.xsd][ConeSearch-v1.0.xsd]] %BR% [[http://www.ivoa.net/xml/SIA-v1.0.xsd][SIA-v1.0.xsd]] %BR% [[http://www.ivoa.net/xml/SSA-v1.0.xsd][SSA-v1.0.xsd]] %BR% [[http://www.ivoa.net/xml/SLAP-v0.1.xsd][SLAP-v0.1.xsd]]
  -->

---+++ Samples

   * [[%ATTACHURL%/conesearch.xml][conesearch.xml]]
   * [[%ATTACHURL%/sia.xml][sia.xml]]
   * [[%ATTACHURL%/ssa.xml][ssa.xml]]
   * [[%ATTACHURL%/sia2ver.xml][sia2ver.xml]] -- illustrates how to describe simultaneous support for 2 different versions of SIA.
   * sla.xml

---++ Status
   * SimpleDALRegExt is currently in [[http://wiki.ivoa.net/twiki/bin/view/IVOA/SimpleDALRegExt10RFC][TCG Review]] period: Dec 2012 - January, 2013
   * Two major changes were incorporated into the latest draft as a result of the [[InterOpOct2011][Oct 2011 Interop]]: 
      * recommended prefix changed from ==ssa== to ==ssap==
      * re-added ==&lt;supportedFrame&gt;==
The details can be reviewed in this [[http://www.ivoa.net/forum/registry/2011-October/004809.html][follow-up report]]
   * The [[http://code.google.com/p/volute/][volute]] google code repository is being used to manage the internal versions of the documents and samples. You can find them under [[http://code.google.com/p/volute/source/browse/#svn/trunk/projects/registry/SimpleDALRegExt][trunk/projects/registry/SimpleDALRegExt]]
<!--
   * The working short name for this effort is now *SimpleDALRegExt*.  (This was changed from *RegSimpleDAL* during the [[InterOpMay2010][May 2010 Interop]].)  
   * Development of the spec document is now underway via the [[http://code.google.com/p/volute/][volute]] google code repository.  You can find it under [[http://code.google.com/p/volute/source/browse/#svn/trunk/projects/registry/RegSimpleDAL][trunk/projects/registry/RegSimpleDAL]]
   * During the internal development phase, updated versions will be irregularly posted to this page.  
   * Ray Plante is targeting a working draft version to be available immediately after the Nov 2009 Interop
  -->

-- IVOA.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 [[http://code.google.com/p/volute/][volute]] google code repository under [[http://code.google.com/p/volute/source/browse/#svn/trunk/projects/registry/tools][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?

-- IVOA.MarkusDemleitner - 18 May 2011

_The suggestion was incorporated into the latest draft._

-- IVOA.RayPlante

---++ Historical materials

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

   * [[%PUBURL%/%WEB%/RegSimpleDAL/RegSimpleDAL-wd.html][RegSimpleDAL-wd.html]]
<!--
      * Set ALLOWTOPICRENAME = IVOA.TWikiAdminGroup
-->

Attachments

Topic attachments
I	Attachment	History	Action	Size	Date	Who	Comment
xsd	ConeSearch-v1.0pr3.xsd	r1	manage	7.1 K	2012-10-26 - 13:16	RayPlante	RFC versions
xsd	ConeSearch-v1.0pr4.xsd	r1	manage	8.1 K	2012-10-29 - 17:35	RayPlante	Files for 20121026 PR release
xsd	ConeSearch-v1.0wd3.xsd	r1	manage	7.1 K	2012-05-18 - 05:13	RayPlante
pdf	PR-SimpleDALRegExt-20121026-abbrev.pdf	r1	manage	641.0 K	2012-10-29 - 17:57	RayPlante	abbreviated version of 20121026 PR release (no full XML schemas)
html	PR-SimpleDALRegExt-20121026.html	r1	manage	240.2 K	2012-10-29 - 17:35	RayPlante	Files for 20121026 PR release
pdf	PR-SimpleDALRegExt-20121026.pdf	r1	manage	979.4 K	2012-10-29 - 17:35	RayPlante	Files for 20121026 PR release
pdf	PR-SimpleDALRegExt-20121116-abbrev.pdf	r2 r1	manage	642.5 K	2012-12-04 - 18:04	RayPlante	20121116 version (XML schemas omitted for printability)
html	PR-SimpleDALRegExt-20121116.html	r2 r1	manage	240.6 K	2012-12-04 - 18:06	RayPlante	20121116 version
pdf	PR-SimpleDALRegExt-20121116.pdf	r2 r1	manage	980.9 K	2012-12-04 - 18:06	RayPlante	20121116 version
html	REC-SimpleDALRegExt-20130123.html	r1	manage	231.2 K	2013-01-23 - 18:02	RayPlante	pre-release REC draft
html	REC-SimpleDALRegExt-20130911.html	r2 r1	manage	231.6 K	2013-09-12 - 15:40	RayPlante	Post-TCG, pre-exec draft
xsd	SIA-v1.0pr1.xsd	r1	manage	13.6 K	2012-10-26 - 13:16	RayPlante	RFC versions
xsd	SIA-v1.0pr3.xsd	r1	manage	17.2 K	2012-10-29 - 17:35	RayPlante	Files for 20121026 PR release
xsd	SIA-v1.0wd2.xsd	r1	manage	13.6 K	2012-05-18 - 05:16	RayPlante	pre RFC WD version
xsd	SIA-v1.1pr3.xsd	r1	manage	17.2 K	2013-01-23 - 17:58	RayPlante	pre-release REC draft
xsd	SIA-v1.1pr4.xsd	r1	manage	17.4 K	2013-09-12 - 15:28	RayPlante
xsd	SLAP-v1.0pr1.xsd	r1	manage	10.6 K	2012-10-26 - 13:16	RayPlante	RFC versions
xsd	SLAP-v1.0pr2.xsd	r1	manage	11.0 K	2012-10-29 - 17:35	RayPlante	Files for 20121026 PR release
xsd	SLAP-v1.0wd2.xsd	r1	manage	10.6 K	2012-05-18 - 06:19	RayPlante	pre RFC WD version
xsd	SSA-v1.0pr1.xsd	r1	manage	41.9 K	2012-10-26 - 13:16	RayPlante	RFC versions
xsd	SSA-v1.0pr2.xsd	r1	manage	43.1 K	2012-10-29 - 17:35	RayPlante	Files for 20121026 PR release
xsd	SSA-v1.0wd4.xsd	r1	manage	41.9 K	2012-05-18 - 06:19	RayPlante	pre RFC WD version
xsd	SSA-v1.1pr3.xsd	r1	manage	43.4 K	2013-01-23 - 18:02	RayPlante	pre-release REC draft
html	SimpleDALRegExt-wd.html	r7 r6 r5 r4 r3	manage	215.8 K	2012-05-18 - 05:15	RayPlante	pre RFC WD version
xml	conesearch.xml	r1	manage	3.0 K	2012-05-18 - 06:28	RayPlante	sample of a conesearch resource record
png	dalregext-in-architecture.png	r1	manage	67.2 K	2011-09-21 - 16:58	RayPlante
xml	sia.xml	r3 r2 r1	manage	8.4 K	2012-11-19 - 04:03	RayPlante	updated for 20121026 PR release
xml	sia2ver.xml	r3 r2 r1	manage	4.1 K	2012-11-19 - 04:04	RayPlante	updated for 20121026 PR release
xml	ssa.xml	r2 r1	manage	8.3 K	2013-01-23 - 18:13	RayPlante	sample: ssa resource record

This topic: IVOA > WebHome > IvoaResReg > ResourceMetadata > SimpleDALRegExt
Topic revision: r23 - 2013-09-12 - RayPlante