One of the most common questions that I get asked in SPM project is how to restrict user access of data. For tis I have created a 'how to paper' which covers 3 topics
- How to use BI analysis authorization to restrict data of users
- How to upload data to a custom DSO
- How to register and run reports on a custom BI queries
http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/d0e51ed5-ee3e-2d10-53b8-f2ef66032843 
