Check out Building Intelligent Processes with Insight-Driven Agility, an article on combining BPM/SOA and BI by Matt Miller, Head of Business Analysis and Testing at Motability Operations, and Mark Simpson, an Oracle ACE Director and leader of the SOA technology practice for Griffiths Waite.
Among other things, this article discusses how Business Rules can leverage BI information as contextual facts to drive optimal decisions.
Happy reading! Again, the article is here.