QaaWS - Multiple queries for an Xcelsius Dashboard

Hi,

I created a webI report using two queries and I merged dimensions & showed as a single report and creating a for an Xcelsius Dashboard. Now I am asked to use QaaWS as source and connect directly to this, without WebI as intermediate. Is this possible to to create multiple queries and merge dimensions in Qaaws. i do not see this option,1) any work round? My datasource is Multiprovider and not BEx Query.

2) Can two different QaaWS queries can be used as source for a single dashboard?

Please help.

Nanda Kishore