<?xml version='1.0'?><?xml-stylesheet href='/static/xsl/oai.xsl' type='text/xsl'?><ri:Resource created="2014-12-08T03:45:16Z" status="active" updated="2026-01-06T08:04:34Z" version="1.2" xmlns:ri="http://www.ivoa.net/xml/RegistryInterface/v1.0" xmlns:vg="http://www.ivoa.net/xml/VORegistry/v1.0" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:vs="http://www.ivoa.net/xml/VODataService/v1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.ivoa.net/xml/RegistryInterface/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/RegistryInterface.xsd http://www.ivoa.net/xml/VORegistry/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VORegistry.xsd http://www.ivoa.net/xml/VOResource/v1.0 http://vo.ari.uni-heidelberg.de/docs/schemata/VOResource.xsd http://www.ivoa.net/xml/VODataService/v1.1 http://vo.ari.uni-heidelberg.de/docs/schemata/VODataService.xsd" xsi:type="vg:Registry"><title>XAO Data Center Registry</title><shortName>XAO RG</shortName><identifier>ivo://xaovo/__system__/services/registry</identifier><curation><publisher>The staff at the XAO Data Center</publisher><creator><name>Zhang Hailong</name><logo>https://data.xao.ac.cn/favicon.png</logo></creator><date role="Updated">2026-01-06T08:04:34Z</date><contact><name>Zhang Hailong</name><address>150 Science 1-Street, Urumqi, Xinjiang 830011, China</address><email>zhanghailong@xao.ac.cn</email><telephone>+86 18699134012</telephone></contact></curation><content><subject>virtual-observatories</subject><description> The publishing registry for the XAO Data Center.</description><referenceURL>https://data.xao.ac.cn/__system__/services/registry/info</referenceURL></content><rights>public</rights><capability standardID="ivo://ivoa.net/std/registry" xsi:type="vg:Harvest"><interface role="std" xsi:type="vg:OAIHTTP"><accessURL use="base">https://data.xao.ac.cn/oai.xml</accessURL><mirrorURL>http://data.xao.ac.cn/oai.xml</mirrorURL></interface><maxRecords>500</maxRecords></capability><capability standardID="ivo://ivoa.net/std/VOSI#capabilities"><interface role="std" xsi:type="vs:ParamHTTP"><accessURL use="full">https://data.xao.ac.cn/__system__/services/registry/capabilities</accessURL><mirrorURL>http://data.xao.ac.cn/__system__/services/registry/capabilities</mirrorURL></interface></capability><capability standardID="ivo://ivoa.net/std/VOSI#availability"><interface role="std" xsi:type="vs:ParamHTTP"><accessURL use="full">https://data.xao.ac.cn/__system__/services/registry/availability</accessURL><mirrorURL>http://data.xao.ac.cn/__system__/services/registry/availability</mirrorURL></interface></capability><capability standardID="ivo://ivoa.net/std/VOSI#tables"><interface role="std" version="1.1" xsi:type="vs:ParamHTTP"><accessURL use="full">https://data.xao.ac.cn/__system__/services/registry/tableMetadata</accessURL><mirrorURL>http://data.xao.ac.cn/__system__/services/registry/tableMetadata</mirrorURL></interface></capability><full>false</full><managedAuthority>xaovo</managedAuthority><tableset><schema><name>default</name></schema></tableset></ri:Resource>