不完备信息系统下空缺数据处理方法的分析比较

Analysis and comparison of methods dealing with missing data of incomplete information system

在现实数据库知识发现过程中,由于数据采集能力有限或数据丢失等原因,使得所面临的数据库往往是不完备的信息系统,或者说存在某种程度的不完备.文章主要分析和比较在数据缺失或信息不完备的情况下空缺数据的处理方法.

In the process of knowledge discovery in database, because of limited data collecting ability or data missing, people often face incomplete information system, or a system which is incomplete to some extent. This paper analyzed and compared the methods dealing with missing Data of incomplete information system.