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    <title>IVOA Documents</title>
    <link>http://www.ivoa.net/Documents/</link>
    <description></description>
    <language>en-US</language>
    <copyright>IVOA 2007</copyright>
    <managingEditor>ivoadoc@eso.org</managingEditor>
    <image>
        <url>http://www.ivoa.net/pub/images/ivoa_logo137x77.jpg</url>
        <title>IVOA</title>
        <link>http://www.ivoa.net/</link>
    </image>

    <item>
        <title>IVOA Credential Delegation Protocol</title>
        <link>http://www.ivoa.net/Documents/cover/CredentialDelegation-20080715.html</link>
        <description>Working Draft 1.00</description>
        <pubDate>Thu, 17 Jul 2008 11:38:00 CEST</pubDate>
    </item>
    <item>
        <title>Proposal for a Simulation Database Standard</title>
        <link>http://www.ivoa.net/Documents/cover/SimDBTrack-20080711.html</link>
        <description>Note 1.00</description>
        <pubDate>Mon, 14 July 2008 11:09:00 CEST</pubDate>
    </item>
    <item>
        <title>Simple Application Messaging Protocol</title>
        <link>http://www.ivoa.net/Documents/cover/SAMP-20080625.html</link>
        <description>Working Draft 1.00</description>
        <pubDate>Fri, 27 Jun 2008 13:27:00 GMT</pubDate>
    </item>
    <item>
        <title>Enabling a robust VOSpace for VO tools and services</title>
        <link>http://www.ivoa.net/Documents/cover/VOSpace-iRODS-20080514.html</link>
        <description>Note 1.00</description>
        <pubDate>Thu, 16 May 2008 13:02:00 GMT</pubDate>
    </item>
    <item>
        <title>A Proposal for Digital Signatures in VOEvent Messages</title>
        <link>http://www.ivoa.net/Documents/cover/VOEventDigiSig-20080514.html</link>
        <description>Note 1.10</description>
        <pubDate>Thu, 15 May 2008 10:11:00 GMT</pubDate>
    </item>
    <item>
        <title>An encoding system to represent stellar spectral classes in archival databases and catalogs</title>
        <link>http://www.ivoa.net/Documents/cover/SpectClasses-20080508.html</link>
        <description>Note 1.00</description>
        <pubDate>Wed, 14 May 2008 09:15:00 GMT</pubDate>
    </item>
    <item>
        <title>Astronomical Data Query Language</title>
        <link>http://www.ivoa.net/Documents/cover/ADQL-20080430.html</link>
        <description>Proposed Recommendation 2.00</description>
        <pubDate>Wed, 30 Apr 2008 15:35:00 GMT</pubDate>
    </item>
    <item>
        <title>Astronomical Data Query Language</title>
        <link>http://www.ivoa.net/Documents/cover/ADQL-20080325.html</link>
        <description>Working Draft 2.00</description>
        <pubDate>Wed, 30 Apr 2008 15:34:59 GMT</pubDate>
    </item>
    <item>
        <title>Vocabularies in the Virtual Observatory</title>
        <link>http://www.ivoa.net/Documents/cover/vocabularies-20080320.html</link>
        <description>Working Draft 1.00</description>
        <pubDate>Fri, 19 Mar 2008 15:09:00 GMT</pubDate>
    </item>
    <item>
        <title>A Proposal for Digital Signatures in VOEvent Messages</title>
        <link>http://www.ivoa.net/Documents/cover/VOEventDigiSig-20080313.html</link>
        <description>Note 1.00</description>
        <pubDate>Fri, 14 Mar 2008 10:25:00 GMT</pubDate>
    </item>
    <item>
        <title>VOSpace service specification</title>
        <link>http://www.ivoa.net/Documents/cover/VOSpace-20080311.html</link>
        <description>Working Draft 1.10</description>
        <pubDate>Wed, 12 Mar 2008 09:41:00 GMT</pubDate>
    </item>
    <item>
        <title>A Footprint Overlay Specification using current VO Standards: VOTABLE, SIA and STC</title>
        <link>http://www.ivoa.net/Documents/cover/Footprint-20080215.html</link>
        <description>Note 1.01</description>
        <pubDate>Tue, 26 Feb 2008 10:55:00 GMT</pubDate>
    </item>
    <item>
        <title>Simple Cone Search</title>
        <link>http://www.ivoa.net/Documents/cover/ConeSearch-20080222.html</link>
        <description>Recommendation 1.03</description>
        <pubDate>Mon, 25 Feb 2008 12:55:00 GMT</pubDate>
    </item>
    <item>
        <title>VOResource: an XML Encoding Schema for Resource Metadata</title>
        <link>http://www.ivoa.net/Documents/cover/VOResource-20080222.html</link>
        <description>Recommendation 1.03</description>
        <pubDate>Mon, 25 Feb 2008 12:37:00 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Document Standards</title>
        <link>http://www.ivoa.net/Documents/cover/DocStd-20080206.html</link>
        <description>Working Draft 1.10</description>
        <pubDate>Mon, 06 Feb 2008 16:56:00 GMT</pubDate>
    </item>
    <item>
        <title>Simple Spectral Access</title>
        <link>http://www.ivoa.net/Documents/cover/SSA-20080201.html</link>
        <description>Recommendation 1.04</description>
        <pubDate>Mon, 04 Feb 2008 09:13:00 GMT</pubDate>
    </item>
    <item>
        <title>VOSpace service specification</title>
        <link>http://www.ivoa.net/Documents/cover/VOSpace-20080124.html</link>
        <description>Recommendation 1.02</description>
        <pubDate>Thu, 24 Jan 2008 10:07:00 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Single-Sign-On Profile: Authentication Mechanisms</title>
        <link>http://www.ivoa.net/Documents/cover/SSOAuthMech-20080124.html</link>
        <description>Proposed Recommendation 1.01</description>
        <pubDate>Thu, 24 Jan 2008 10:07:00 GMT</pubDate>
    </item>
    <item>
        <title>Simple Spectral Access</title>
        <link>http://www.ivoa.net/Documents/cover/SSA-20071220.html</link>
        <description>Recommendation 1.03</description>
        <pubDate>Thu, 20 Dec 2007 17:10:00 GMT</pubDate>
    </item>
    <item>
        <title>Space-Time Coordinate (STC) Metadata Model</title>
        <link>http://www.ivoa.net/Documents/cover/STC-Model-20071205.html</link>
        <description>Note 1.31</description>
        <pubDate>Wed, 07 Dec 2007 11:00:00 GMT</pubDate>
    </item>
    <item>
        <title>STC-S: Space-Time Coordinate (STC) Metadata Linear String Implementation</title>
        <link>http://www.ivoa.net/Documents/cover/STC-S-20071205.html</link>
        <description>Note 1.30</description>
        <pubDate>Wed, 07 Dec 2007 11:00:00 GMT</pubDate>
    </item>
    <item>
        <title>Data Model for Astronomical DataSet Characterisation</title>
        <link>http://www.ivoa.net/Documents/cover/CharacterisationDM-20071108.html</link>
        <description>Recomendation 1.12</description>
        <pubDate>Tue, 09 Nov 2007 16:00:00 GMT</pubDate>
    </item>
    <item>
        <title>Space-Time Coordinate Metadata Model</title>
        <link>http://www.ivoa.net/Documents/cover/STC-Model-20071030.html</link>
        <description>Note 1.00</description>
        <pubDate>Wed, 31 Oct 2007 19:21:00 GMT</pubDate>
    </item>
    <item>
        <title>Space-Time Coordinate Metadata for the Virtual Observatory</title>
        <link>http://www.ivoa.net/Documents/cover/STC-20071030.html</link>
        <description>Recommendation 1.33</description>
        <pubDate>Wed, 31 Oct 2007 19:05:00 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Spectral Data Model</title>
        <link>http://www.ivoa.net/Documents/cover/SpectrumDM-20071029.html</link>
        <description>Recomendation 1.03</description>
        <pubDate>Wed, 31 Oct 2007 18:38:00 GMT</pubDate>
    </item>
    <item>
        <title>Introduction to CEA and UWS</title>
        <link>http://www.ivoa.net/Documents/cover/IntroductionCEA_UWS-20071005.html</link>
        <description>Note 1.00</description>
        <pubDate>Tue, 08 Oct 2007 14:12:00 GMT</pubDate>
    </item>
    <item>
        <title>The IVOA in 2007: Assessment and Future Roadmap</title>
        <link>http://www.ivoa.net/Documents/cover/IVOARoadMap-2007-20070618.html</link>
        <description>Note 1.00</description>
        <pubDate>Tue, 02 Oct 2007 12:32:00 GMT</pubDate>
    </item>
    <item>
        <title>An RDF version of the VO Registry</title>
        <link>http://www.ivoa.net/Documents/cover/RDFVORegistry-20070920.html</link>
        <description>Note 1.00</description>
        <pubDate>Wed, 24 Sep 2007 12:30:00 GMT</pubDate>
    </item>
    <item>
        <title>Simple Spectral Access</title>
        <link>http://www.ivoa.net/Documents/cover/SSA-20070917.html</link>
        <description>Proposed Recommendation 1.02</description>
        <pubDate>Wed, 19 Sep 2007 11:30:00 GMT</pubDate>
    </item>
    <item>
        <title>Simple Cone Search</title>
        <link>http://www.ivoa.net/Documents/cover/ConeSearch-20070914.html</link>
        <description>Proposed Recommendation 1.02</description>
        <pubDate>Wed, 19 Sep 2007 11:30:00 GMT</pubDate>
    </item>
    <item>
        <title>Data Model for Astronomical DataSet Characterisation</title>
        <link>http://www.ivoa.net/Documents/cover/CharacterisationDM-20070914.html</link>
        <description>Proposed Recomendation 1.12</description>
        <pubDate>Tue, 14 Sep 2007 14:00:00 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Spectral Data Model</title>
        <link>http://www.ivoa.net/Documents/cover/SpectrumDM-20070913.html</link>
        <description>Proposed Recomendation 1.02</description>
        <pubDate>Thu, 14 Sep 2007 14:00:00 GMT</pubDate>
    </item>
    <item>
        <title>VOSpace service specification</title>
        <link>http://www.ivoa.net/Documents/cover/VOSpace-20070907.html</link>
        <description>Proposed Recommendation 1.02</description>
        <pubDate>Mon, 10 Sep 2007 11:30:00 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Single-Sign-On Profile: Authentication Mechanisms</title>
        <link>http://www.ivoa.net/Documents/cover/SSOAuthMech-20070904.html</link>
        <description>Proposed Recommendation 1.01</description>
        <pubDate>Mon, 10 Sep 2007 11:30:00 GMT</pubDate>
    </item>
    <item>
        <title>Implementations of the Characterisation Data Model</title>
        <link>http://www.ivoa.net/Documents/cover/ImplementationCharacterisation-20070813.html</link>
        <description>Note 1.12</description>
        <pubDate>Tue, 16 Aug 2007 12:14:00 GMT</pubDate>
    </item>
    <item>
        <title>Footprint Overlay Specification</title>
        <link>http://www.ivoa.net/Documents/cover/Footprint-20070709.html</link>
        <description>Note 1.00</description>
        <pubDate>Wed, 08 Aug 2007 09:49:00 GMT</pubDate>
    </item>
    <item>
        <title>VOSpace service specification</title>
        <link>http://www.ivoa.net/Documents/cover/VOSpace-20070723.html</link>
        <description>Proposed Recommendation 1.00</description>
        <pubDate>Wed, 24 Jul 2007 08:41:00 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Spectral Data Model</title>
        <link>http://www.ivoa.net/Documents/cover/SpectrumDM-20070711.html</link>
        <description>Proposed Recomendation 1.01</description>
        <pubDate>Thu, 12 Jul 2007 13:43:00 GMT</pubDate>
    </item>
    <item>
        <title>The Registry of Registries</title>
        <link>http://www.ivoa.net/Documents/cover/RegistryOfRegistries-20070628.html</link>
        <description>Note 1.00</description>
        <pubDate>Wed, 05 Jul 2007 11:31:00 GMT</pubDate>
    </item>
    <item>
        <title>VOResource: an XML Encoding Schema for Resource Metadata</title>
        <link>http://www.ivoa.net/Documents/cover/VOResource-20061107.html</link>
        <description>Proposed Recommendation 1.02</description>
        <pubDate>Wed, 05 Jul 2007 11:30:00 GMT</pubDate>
    </item>
    <item>
        <title>Simple Cone Search</title>
        <link>http://www.ivoa.net/Documents/cover/ConeSearch-20070628.html</link>
        <description>Proposed Recommendation 1.01</description>
        <pubDate>Wed, 05 Jul 2007 11:00:00 GMT</pubDate>
    </item>
    <item>
        <title>Utype list for the Characterisation Data Model</title>
        <link>http://www.ivoa.net/Documents/cover/UtypeListCharacterisationDM-20070625.html</link>
        <description>Note 1.11</description>
        <pubDate>Wed, 25 Jun 2007 15:31:00 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Single-Sign-On Profile: Authentication Mechanisms</title>
        <link>http://www.ivoa.net/Documents/cover/SSOAuthMech-20070621.html</link>
        <description>Proposed Recommendation 1.00</description>
        <pubDate>Wed, 27 Jun 2007 13:00:00 GMT</pubDate>
    </item>
    <item>
        <title>VOSpace service specification</title>
        <link>http://www.ivoa.net/Documents/cover/VOSpace-20070626.html</link>
        <description>Proposed Recommendation 1.00</description>
        <pubDate>Wed, 27 Jun 2007 13:00:00 GMT</pubDate>
    </item>
    <item>
        <title>Space-Time Coordinate Metadata for the Virtual Observatory</title>
        <link>http://www.ivoa.net/Documents/cover/STC-20070614.html</link>
        <description>Proposed Recommendation 1.31</description>
        <pubDate>Wed, 20 Jun 2007 09:51:00 GMT</pubDate>
    </item>
    <item>
        <title>Simple Spectral Access</title>
        <link>http://www.ivoa.net/Documents/cover/SSA-20070604.html</link>
        <description>Proposed Recommendation 1.01</description>
        <pubDate>Mon, 4 Jun 2007 13:50:00 GMT</pubDate>
    </item>
    <item>
        <title>Simple Spectral Access</title>
        <link>http://www.ivoa.net/Documents/cover/SSA-20070529.html</link>
        <description>Working Draft 1.01</description>
        <pubDate>Thu, 31 May 2007 14:00:00 GMT</pubDate>
    </item>
    <item>
        <title>Data Model for Astronomical DataSet Characterisation</title>
        <link>http://www.ivoa.net/Documents/cover/CharacterisationDM-20070530.html</link>
        <description>Proposed Recommendation 1.11</description>
        <pubDate>Wed, 30 May 2007 11:13:00 GMT</pubDate>
    </item>
    <item>
        <title>Utype list for the Characterisation Data Model</title>
        <link>http://www.ivoa.net/Documents/cover/UtypeListCharacterisationDM-20070522.html</link>
        <description>Note 1.10</description>
        <pubDate>Tue, 23 May 2007 09:05:00 GMT</pubDate>
    </item>
    <item>
        <title>Implementations of the Characterisation Data Model</title>
        <link>http://www.ivoa.net/Documents/cover/ImplementationCharacterisation-20070522.html</link>
        <description>Note 1.11</description>
        <pubDate>Tue, 23 May 2007 09:05:00 GMT</pubDate>
    </item>
    <item>
        <title>Utype list for the Characterisation Data Model</title>
        <link>http://www.ivoa.net/Documents/cover/UtypeListCharacterisationDM-20070510.html</link>
        <description>Note 1.00</description>
        <pubDate>Tue, 16 May 2007 18:05:00 GMT</pubDate>
    </item>
    <item>
        <title>Implementations of the Characterisation Data Model for version 1.0</title>
        <link>http://www.ivoa.net/Documents/cover/ImplementationCharacterisation-20070509.html</link>
        <description>Note 1.00</description>
        <pubDate>Tue, 16 May 2007 18:05:00 GMT</pubDate>
    </item>
    <item>
        <title>Data Model for Astronomical DataSet Characterisation</title>
        <link>http://www.ivoa.net/Documents/cover/CharacterisationDM-20070509.html</link>
        <description>Working Draft 1.10</description>
        <pubDate>Tue, 16 May 2007 18:00:00 GMT</pubDate>
    </item>
    <item>
        <title>Simple Spectral Access</title>
        <link>http://www.ivoa.net/Documents/cover/SSA-20070508.html</link>
        <description>Working Draft 1.00</description>
        <pubDate>Tue, 16 May 2007 15:00:00 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Spectral Data Model</title>
        <link>http://www.ivoa.net/Documents/cover/SpectrumDM-20070515.html</link>
        <description>Working Draft 1.01</description>
        <pubDate>Tue, 15 May 2007 11:07:00 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Spectral Data Model</title>
        <link>http://www.ivoa.net/Documents/cover/SpectrumDM-20070502.html</link>
        <description>Working Draft 1.01</description>
        <pubDate>Thu, 03 May 2007 09:44:00 GMT</pubDate>
    </item>
    <item>
        <title>Astronomical Keywords in the era of the Virtual Observatory</title>
        <link>http://www.ivoa.net/Documents/cover/AstroKeysTN-20070425.html</link>
        <description>Note 1.00</description>
        <pubDate>Thu, 03 May 2007 09:43:00 GMT</pubDate>
    </item>
    <item>
        <title>The UCD1+ controlled vocabulary</title>
        <link>http://www.ivoa.net/Documents/cover/UCDlist-20070402.html</link>
        <description>Recommendation 1.23</description>
        <pubDate>Tue, 03 March 2007 14:28:00 GMT</pubDate>
    </item>
    <item>
        <title>Simple Cone Search</title>
        <link>http://www.ivoa.net/Documents/cover/ConeSearch-20060908.html</link>
        <description>Proposed Recommendation 1.00</description>
        <pubDate>Mon, 26 March 2007 05:14:00 GMT</pubDate>
    </item>
    <item>
        <title>The UCD1+ controlled vocabulary</title>
        <link>http://www.ivoa.net/Documents/cover/UCDlist-20070323.html</link>
        <description>Proposed Recommendation 1.22</description>
        <pubDate>Fri, 23 March 2007 09:51:00 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Identifiers</title>
        <link>http://www.ivoa.net/Documents/cover/IDs-20070302.html</link>
        <description>Recommendation 1.12</description>
        <pubDate>Fri, 15 March 2007 15:40:00 GMT</pubDate>
    </item>
    <item>
        <title>VOSpace service specification</title>
        <link>http://www.ivoa.net/Documents/cover/VOSpace-20070304.html</link>
        <description>Working Draft 1.00</description>
        <pubDate>Wed, 07 Feb 2007 17:48:00 GMT</pubDate>
    </item>
    <item>
        <title>Space-Time Coordinate Metadata for the Virtual Observatory</title>
        <link>http://www.ivoa.net/Documents/cover/STC-20070228.html</link>
        <description>Proposed Recommendation 1.30</description>
        <pubDate>Mon, 05 Feb 2007 10:48:00 GMT</pubDate>
    </item>
    <item>
        <title>UTypes and URIs</title>
        <link>http://www.ivoa.net/Documents/cover/utype-uri-20070302.html</link>
        <description>Technical Note 1.00</description>
        <pubDate>Mon, 05 Feb 2007 10:48:00 GMT</pubDate>
    </item>
    <item>
        <title>Resource Metadata for the Virtual Observatory</title>
        <link>http://www.ivoa.net/Documents/cover/RM-20070302.html</link>
        <description>Recommendation 1.12</description>
        <pubDate>Fri, 02 March 2007 14:41:00 GMT</pubDate>
    </item>
    <item>
        <title>UWS recast as a REST protocol</title>
        <link>http://www.ivoa.net/Documents/cover/UWS-REST-20070226.html</link>
        <description>Technical Note 1.00</description>
        <pubDate>Mon, 26 Feb 2007 15:18:00 GMT</pubDate>
    </item>
    <item>
        <title>Ontology of Astronomical Object Types</title>
        <link>http://www.ivoa.net/Documents/cover/AstrObjectOntology-20070219.html</link>
        <description>Working Draft 1.00</description>
        <pubDate>Mon, 19 Feb 2007 14:05:00 GMT</pubDate>
    </item>
    <item>
        <title>Resource Metadata for the Virtual Observatory</title>
        <link>http://www.ivoa.net/Documents/cover/RM-20061212.html</link>
        <description>Proposed Recommendation 1.12</description>
        <pubDate>Wed, 03 Jan 2007 14:58:00 GMT</pubDate>
    </item>
    <item>
        <title>PLASTIC - a protocol for desktop application interoperability</title>
        <link>http://www.ivoa.net/Documents/cover/PlasticDesktopInterop-20060601.html</link>
        <description>Technical Note 1.00</description>
        <pubDate>Tue, 05 Dec 2006 13:55:29 GMT</pubDate>
    </item>
    <item>
        <title>Ontology of astronomical object types</title>
        <link>http://www.ivoa.net/Documents/cover/AstrObjectOntology-20061031.html</link>
        <description>Technical Note 1.00</description>
        <pubDate>Tue, 14 Nov 2006 09:01:29 GMT</pubDate>
    </item>
    <item>
        <title>The UCD1+ controlled vocabulary</title>
        <link>http://www.ivoa.net/Documents/cover/UCDlist-20061107.html</link>
        <description>Proposed Recommendation 1.21</description>
        <pubDate>Mon, 13 Nov 2006 11:11:29 GMT</pubDate>
    </item>
    <item>
        <title>Sky Event Reporting Metadata (VOEvent)</title>
        <link>http://www.ivoa.net/Documents/cover/VOEvent-20061101.html</link>
        <description>Recommendation 1.11</description>
        <pubDate>Mon, 13 Nov 2006 08:41:29 GMT</pubDate>
    </item>
    <item>
        <title>VOResource: an XML Encoding Schema for Resource Metadata</title>
        <link>http://www.ivoa.net/Documents/cover/VOResource-20061107.html</link>
        <description>Working Draft 1.02</description>
        <pubDate>Tue, 07 Nov 2006 19:41:29 GMT</pubDate>
    </item>
    <item>
        <title>IVOA Registry Interfaces</title>
        <link>http://www.ivoa.net/Documents/cover/RegistryInterface-20061107.html</link>
        <description>Working Draft 1.00</description>
        <pubDate>Tue, 07 Nov 2006 19:21:29 GMT</pubDate>
    </item>
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