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介绍了一个通用型知识发现系统的数据预处理部分的主要设计思想和实现方法。该系统的数据预处理部分运用了视图机制、主题管理、语言场理论等思想方法,对基于各种关系型数据库的知识发现工具的实现进行了有益的尝试,并对未来的工作做了展望。
The main design ideas and implementation methods of data preprocessing part of a general knowledge discovery system are introduced. The data preprocessing part of the system makes use of the ideas and methods of view mechanism, theme management and linguistic field theory, makes a useful attempt on the realization of knowledge discovery tools based on various relational databases, and prospects the future work.