This paper compares several constructing method of knowledge model, sets up the necessity and possibility of introducing Ontology into knowledge modeling area after analyzing the current problems.
本文比较了目前比较成形的几种知识模型构建方法，分析了在知识建模领域存在的问题，提出引入本体方法的必要性和可行性。
In this essay we first introduce some related concepts about ontology and the object-oriented ontology meta-modeling method.
本文首先介绍了关于本体知识的一些相关概念和面向对象的本体元建模方法。
It proved that the method of ontology modeling and formal representation mechanism can better express the knowledge structure of emergency field. It is available.
结果证明，这种本体建模方法和形式化表达机制，能够较好表达应急领域的知识结构，是可行的。
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