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教育知识获取是国家知识基础设施研制中知识获取的一项重要工作。《中国大百科全书》中包含着教育学、教育心理学、学习理论、教育管理和各国教育等丰富的教育知识。该文研制了一种知识获取方法,并采用此方法成功地获取了大量的教育知识。该方法由两部分组成:一是高度类自然的教育知识描述语言(PKDL),由知识工程师用于形式化《中国大百科全书》中的教育知识文本;二是PKDL编译系统,该系统对PKDL文本进行编译、分析和知识连接,最终生成教育知识库。
The acquisition of educational knowledge is an important task in knowledge acquisition in the development of national knowledge infrastructure. Encyclopedia of China contains a wealth of educational knowledge in education, educational psychology, learning theory, education management and education in all countries. This paper develops a knowledge acquisition method, and successfully obtained a large amount of educational knowledge by using this method. The method is composed of two parts: one is the highly natural educational knowledge description language (PKDL), which is used by knowledge engineers to formalize the educational knowledge text in Encyclopedia of China; the second is PKDL compilation system, Text compilation, analysis and knowledge connection, and ultimately generate education knowledge base.