The knowledge organization of framework helps workflow illation, framework also being one of the ontology formalization approaches and the ideal modeling method based on system layer knowledge.
框架的知识组织方式也有利于工作流的推理，而且框架是本体形式化的表示方法之一，因此框架是基于系统层知识的工作流建模的理想方法。
The part presents the definition of requirement modeling research of information system. It introduces two basic modeling methods: method based on environment case and on knowledge.
该部分主要是提出了信息系统需求建模的定义，介绍了需求建模的的两种基本方法：基于情景实例的方法和基于知识的方法。
The part presents the definition of requirement modeling research of information system. It introduces two basic modeling methods: method based on environment case and on knowledge.
该部分主要是提出了信息系统需求建模的定义，介绍了需求建模的的两种基本方法：基于情景实例的方法和基于知识的方法。
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