Red Hat Training
A Red Hat training course is available for JBoss Enterprise SOA Platform
10.2. Business Process Execution Language (BPEL)
Business Process Execution Language (BPEL) is an OASIS-standard language for business rules orchestration. Refer to http://docs.oasis-open.org/wsbpel/2.0/wsbpel-v2.0.html for more information.