Oracle BPEL

Business Process Execution Language (BPEL), short for Web Services Business Process Execution Language (WS-BPEL) is an OASIS standard executable language for specifying actions within business processes with web services.

BPEL is the standard for assembling a set of discrete services into an end-to-end process flow, radically reducing the cost and complexity of process integration initiatives

http://en.wikipedia.org/wiki/Business_Process_Execution_Language
http://www.oracle.com/technetwork/middleware/bpel/overview/index.html