In this paper, after studying the description of business process in workflow system, a kind of service process model is defined, and the structure correctness and semantic validity are analysed.
该文研究了工作流技术中的业务过程描述方式，设计了一个业务过程模型，并对其结构正确性和语义正确性进行了证明和分析。
Validity check (Default: basic validity check) : the validity check verifies that the data model follows the semantic rules for the model format.
validity check(默认值：basic validity check)：有效性检查，验证数据模型是否遵从模型格式的语义规则。
The experiments prove the validity of the region based semantic template.
实验证明了区域语义模板的有效性。
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