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六、知识的获取、学习和知识库的建立 1.知识的获取 E.A. Feigenbaum认为:知识获取是“人工智能研究的核心问题中最重要的问题”.是“人工智能研究的关键性难题”。 1.知识获取的方法专家系统的知识可用多种方法获取。 (1)专家的知识通过知识工程师到知识库专家与知识工程师或程序员通过会话(程序员把专家的知识转换成代码)来建立系统。知识工程师与专家会话,把领域知识抽象成简单的数据结构存储起来,这就是所谓的知识库。
VI. ACCESS TO KNOWLEDGE, LEARNING AND ESTABLISHMENT OF THE KNOWLEDGE A. Knowledge Acquisition E.A. Feigenbaum argues that knowledge acquisition is “the most important issue in the core issue of artificial intelligence research.” It is “a key challenge in the study of artificial intelligence.” 1. Methods of Knowledge Acquisition Knowledge of expert systems is available in several ways. (1) Knowledge of experts Through the conversation (the programmer converts the expert’s knowledge into code) through knowledge engineer to knowledge base expert and knowledge engineer or programmer to build the system. Knowledge engineers talk with experts to abstract the domain knowledge into a simple data structure, which is called the knowledge base.