The semantic BPI "data" model is focused on the business events, messages and documents (data) and the semantics of the business events and processes that the model encompasses. The model is targeted at the process service composition layer, not at the resource (LOB data) services layer
Fred Cummins, an EDS fellow, and SOA veteran wrote an essay last week on "Data Management for SOA". He is looking at how some of the key tenets of service design ("loose coupling" and "autonomy") relate to enterprise data in the context of achieving reuse...