| 一种基于Petri网思想的知识库的动态维护方法 |
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| 引用本文： | 吴启明.一种基于Petri网思想的知识库的动态维护方法[J].计算机应用与软件,1996,13(6):8-13. |
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| 作者姓名： | 吴启明 |
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| 作者单位： | 云南省软件中心 |
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| 摘 要： | 本文研究了基于规则的专家系统知识库的维护问题，在添加一条新规则后，知识库可能出现矛盾规则，循环规则，冗余规则，从属规则等。文中详细给出了基于Ｐｅｔｒｉ网思想的对知识库进行维护的算法，进而决定是否添加该规则，从而保证了知识库的一致性，为专家系统进行正确推理，提高推理速度打下了坚实的基础。
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| 关 键 词： | Petri网 专家系统 维护 知识库 |
THE DYNAMIC MAINTENANCE METHOD OF KNOWLEDGE BASE BASED ON THE PETRI NETS |
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| Wu QlMING.THE DYNAMIC MAINTENANCE METHOD OF KNOWLEDGE BASE BASED ON THE PETRI NETS[J].Computer Applications and Software,1996,13(6):8-13. |
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| Authors: | Wu QlMING |
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| Abstract: | In the paper, the maintenance problem of knowledge base in expert system has been studied.When a new rule is put in the base, a contradiction, or cycle, or redundancy (including relation), or subordinate (included relation) etc. may cccur. An algorithm for maintaining knowledge base has been given in detail in the paper which is based on Petri nets idea. The algorithm can. be used to decide, if it's neccessary to put the new rule in the base in order to protect the consisiancy of the knowledge base. It makes a solid foundation of correct and speedy inference of the expert system. |
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| Keywords: | Petri nets expert system knowledge base maintenance consistency of knowledge base algorithm design |
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