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Published in:
2011 | OriginalPaper | Chapter
Investigation and Application of Feature Extraction Based on Rough Set Theory
Authors : Zhi-hang Tang, Jing Zhang, Rong-jun Li
Published in: Advanced Research on Electronic Commerce, Web Application, and Communication
Publisher: Springer Berlin Heidelberg
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With the rapid development of computer technologies and a broad spectrum of applications of database management systems, the accumulated data in modern life are far beyond our normal capabilities in analyzing and understanding them without the use of automated analysis technologies. Rough Sets and Fuzzy Sets theories can be used to investigate imprecise and incomplete information, and to observe, test and reason data. This work applies degree of connection in sets pair analysis to Rough Sets Theory, and explores the relationship between rough-degree of connection and cardinal of rough lower/upper approximation.