Universe Builder on XML file

Hello Experts,
We have XIR3.1 SP4 and our repositories are on oracle 10g.
I'm trying to build a universe on top of Data Services. I exported the datastore to an XML file from the DS Client tool.
I opened the Universe Builder, selected the Metadata Sources and pointed to the XML file.
The name of the XML file appears in the space of Universe Builder, with file type as "CWM_File. But I cannot select "Create Universe" option. It seems to be grayed out.
I have tried importing the xml file into different Metadata Sources, like CWM Olap 1.0, Data Integrator etc but still the Create Univesre option is grayed out.
Am I doing anything wrong? Is it even possible to build a universe like this?
Please help.
Thanks in advance..

Hi,
Here's the XIR2 guide http://help.sap.com/businessobject/product_guides/boexir2/en/xir2_universe_builder_en.pdf
and the XI3.1 guide http://help.sap.com/businessobject/product_guides/boexir3/en/xi3_universe_builder_guide_en.pdf
This is very little use of Uni Builder, so you may want to work with Support engineer to get confirmation. (i.e. OSS ticket)
Regards,
H

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