State-of-the-art business process management tools provide only limited support for weakly-structured scientific workflow processes which involve knowledge intensive human interactions and are subject to frequent changes and agile compensations and exceptions. In order to address these...

While WS-BPEL addresses the industry's need for rich and standard service orchestration semantics it provide only limited expressiveness to describe (business) decision logic and conditional reaction logic. In this paper we propose a heterogenous service-oriented integration of rules into BPEL...