In order to improve the utilization of the accumulated knowledge past for shipping companies, the paper presents the three-tiered knowledge objects representation based on the deep research of the knowledge about voyage decision making. Aiming to represent the static common sense and dynamic experience, the paper constructs the basic knowledge objects and the course knowledge objects respectively; then, the paper constructs the experience objects to solve the problem of specific voyage decision-making knowledge acquisition. At last, based on the business knowledge of the shipping companv. YIHAI. the paper does the application research, and verify the efficiency of the representation.%为了加强航运企业对以往积累知识的利用,本文在对航次决策领域知识进行详细研究的基础上,构建了一种三层次知识对象表示方法.针对航次决策静态常识性知识、动态经验性知识,本文分别构建了基础知识对象、过程知识对象;然后针对获取特定航次决策知识问题,本文构建了经验知识对象进行求解.最后,本文借助构建好的知识表示方法对益海船务公司积累的业务知识进行表示,同时开展了相应的应用研究,验证了表示方法的有效性.
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