A formal description of process patterns is established in this paper by extending the semantics of the XPDL language.

通过扩充XPDL语言的语义，建立了一种过程模式的描述技术。

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The executable design language for one is BPEL 2.0 and for the other is BPMN 2.0 (ported from XPDL).

各自的可执行设计语言分别是BPEL 2.0和BPMN 2.0（从XPDL移植）。

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