4dcbfdca____Alan_Whitehouse_s_Ramblings__Description_Usage
[Component Item] Business Intelligence Semantic Model (BISM) [Link] Link [Description/Usage] 
A new technology to be released with SQL Server 2012 (Denali). It is a relational based model relying on in-memory processing to replicate the functionality of a traditional UDM analysis cube. It will be good for some situations but not a complete replacement for a UDM cube.
The Microsoft Business Intelligence Stack Cheat Sheet « Alan Whitehouse's Ramblings
Description/Usage