1) DB COLLECTIONS organization:


/db (root collection)
|
|-Properties
|
|-Profiles
	|
	|-RunningInstance
	|-GHN
	|-Service
	|-ExternalRunningInstance
	|-CS
	|-CSInstance
	|-Collection
	|-MetadataCollection
	|-GenericResource

 
2) DOCUMENT STRUCTURE 


<Document>
	<ID>internal document identifier</ID>
	<Source>EPR of the RI</Source>
	<EntryKey>info di gestione</EntryKey>
	<GroupKey>info di gestione</GroupKey>
	<TerminationTime>expire date from the epoc</TerminationTime>
    <TerminationTimeHuman>human readable version</TerminationTimeHuman>
    <LastUpdateMs>last update time from the peco</LastUpdateMs>
    <LastUpdateHuman>human readable version</LastUpdateHuman>
	<Data>
 		(the list of ws-resourceproperties
 			or
 		the profile)
 		 +
 		 gCube Provider properties
	</Data>
</Document>

Example:
<?xml version="1.0" encoding="UTF-8"?>
<Document>
  <ID>247246288042653</ID>
  <Source>http://node6.d.d4science.research-infrastructures.eu:8080/wsrf/services/gcube/informationsystem/registry/RegistryFactory</Source>
  <SourceKey>RegistryResource</SourceKey>
  <CompleteSourceKey>
    <ns1:ResourceKey xmlns:ns1="http://gcube-system.org/namespaces/informationsystem/registry">RegistryResource</ns1:ResourceKey>
  </CompleteSourceKey>
  <EntryKey>8042653</EntryKey>
  <GroupKey>24724628</GroupKey>
  <TerminationTime>1250529645842</TerminationTime>
  <TerminationTimeHuman>Mon Aug 17 18:20:45 GMT+01:00 2009</TerminationTimeHuman>
  <LastUpdateMs>1250529525976</LastUpdateMs>
  <LastUpdateHuman>Mon Aug 17 18:18:45 GMT+01:00 2009</LastUpdateHuman>
  <Data>
    <ns1:RunningInstance xmlns:ns1="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID>537ff150-8b4d-11de-a789-cac4f8c904e3</uniqueID>
      <operationType>create</operationType>
      <changeTime>2009-08-17T16:45:10.945Z</changeTime>
    </ns1:RunningInstance>
    <ns2:ExternalRunningInstance xmlns:ns2="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns2:ExternalRunningInstance>
    <ns3:Service xmlns:ns3="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns3:Service>
    <ns4:Collection xmlns:ns4="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns4:Collection>
    <ns5:CS xmlns:ns5="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns5:CS>
    <ns6:CSInstance xmlns:ns6="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns6:CSInstance>
    <ns7:GHN xmlns:ns7="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID>1ab13550-8aad-11de-a0b8-daa6294f6796</uniqueID>
      <operationType>update</operationType>
      <changeTime>2009-08-17T17:18:35.079Z</changeTime>
    </ns7:GHN>
    <ns8:gLiteCE xmlns:ns8="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns8:gLiteCE>
    <ns9:gLiteSE xmlns:ns9="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns9:gLiteSE>
    <ns10:gLiteSite xmlns:ns10="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns10:gLiteSite>
    <ns11:gLiteService xmlns:ns11="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns11:gLiteService>
    <ns12:VRE xmlns:ns12="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns12:VRE>
    <ns13:MetadataCollection xmlns:ns13="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns13:MetadataCollection>
    <ns14:GenericResource xmlns:ns14="http://gcube-system.org/namespaces/informationsystem/registry">
      <uniqueID xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <operationType xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
      <changeTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:nil="true"/>
    </ns14:GenericResource>
    <ns15:TerminationTime xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ns15="http://docs.oasis-open.org/wsrf/2004/06/wsrf-WS-ResourceLifetime-1.2-draft-01.xsd" xsi:nil="true"/>
    <ns16:CurrentTime xmlns:ns16="http://docs.oasis-open.org/wsrf/2004/06/wsrf-WS-ResourceLifetime-1.2-draft-01.xsd">2009-08-17T17:18:46.068Z</ns16:CurrentTime>
    <ns17:GHN xmlns:ns17="http://gcube-system.org/namespaces/common/core/porttypes/GCUBEProvider">1ab13550-8aad-11de-a0b8-daa6294f6796</ns17:GHN>
    <ns18:RI xmlns:ns18="http://gcube-system.org/namespaces/common/core/porttypes/GCUBEProvider">1d1eb2e0-8aad-11de-a0ba-daa6294f6796</ns18:RI>
    <ns19:ServiceClass xmlns:ns19="http://gcube-system.org/namespaces/common/core/porttypes/GCUBEProvider">InformationSystem</ns19:ServiceClass>
    <ns20:Scope xmlns:ns20="http://gcube-system.org/namespaces/common/core/porttypes/GCUBEProvider">/CNRPrivate</ns20:Scope>
    <ns21:ServiceID xmlns:ns21="http://gcube-system.org/namespaces/common/core/porttypes/GCUBEProvider">1d1d5350-8aad-11de-a0ba-daa6294f6796</ns21:ServiceID>
    <ns22:ServiceName xmlns:ns22="http://gcube-system.org/namespaces/common/core/porttypes/GCUBEProvider">IS-Registry</ns22:ServiceName>
  </Data>
</Document>

3) QUERIES:


the resultset has the following structure:

<Resultset>
	<Record>
	...
	</Record>
	<Record>
	...
        </Record>
	<Record>
       	...	
	</Record>
<Resultset>

XQuery samples:

for $name in //Document/Data/[ServiceName &= 'ISRegistry']
return
        <result>
                .....
        </result>


for $name in collection("/db/Properties")//Document/Data/[ServiceName &= 'ISRegistry']
return
        <result>
                .....
        </result>