| 石油价格预测专家系统OPFES的设计与实现 |
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| 引用本文： | 张杰.石油价格预测专家系统OPFES的设计与实现[J].信息与控制,1991(3). |
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| 作者姓名： | 张杰 |
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| 作者单位： | 北京科技大学计算机科学与工程系 |
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| 摘 要： | 本文以国际市场石油价格预测问题为背景,采用了大型专家系统设计方法,论述了一个石油价格预测专家系统 OPFES(Oil Price Forecast Expert System)的设计方法.在系统中采用了广义知识表达树作为知识表达方法,系统结构上采用了四库结构(模型库、方法库、数据库、知识库).在推理机方面采用了二级推理:元知识级推理与对象级推理的灵活方式.在人机接口方面,采用了多级菜单驱动方式与有限的自然语言理解方式.整个系统的原型系统用 Turbo-Prolog 语言已在 PC/AT 机上实现.
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| 关 键 词： | 人工智能 专家系统 知识获取 推理机制 石油价格 经济预测 |
DESIGN AND REALIZATION OF OIL PRICE FORECAST EXPERT SYSTEM |
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| ZHANG Jie.DESIGN AND REALIZATION OF OIL PRICE FORECAST EXPERT SYSTEM[J].Information and Control,1991(3). |
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| Authors: | ZHANG Jie |
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| Abstract: | In this paper,various factors which involve international market oil price are analyzed.Then,by usingdesign methodology of large scale expert system,concrete design of oil price forecast expert system isgiven.In it,new knowledge representation methods are used.In the system structure,model base,waybase,knowledge base and data base are used.Flexible multi-level reasoning machine and intelligent inter-face are adopted.The system is realized in Turbo-Prolog language on PC/AT computer.Operation re-sults show that the new design methods are very effective and they supply experience for designing othereconomic expert systems. |
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| Keywords: | artificial intellignce expert system knowledge acquisition knowledge reasoning oil price economic forecast |
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