AquaLogic Service Bus functions as a repository for business services exposed as web services. AquaLogic BPM processes exposed as web services can be consumed by ALSB. Also, web services provided by ALSB can be cataloged as part of an ALBPM project.
See http://download.oracle.com/docs/cd/E13171_01/alsb/docs20/index.html for more information on using AquaLogic Service Bus.