NDLI: A new attribute reduction algorithm dealing with the incomplete information system

Content Provider	IEEE Xplore Digital Library
Author	Jin Zhou Xu, E. Yanhong Li Zhuo Wang Zhixu Liu Xiangyu Bai Xuyong Huang Di Yang
Copyright Year	2009
Description	Author affiliation: Computer Department Liaoning Petrochemical Vocational College, Jinzhou 121001, China (Di Yang) \|\| Electronic & Information Engineering College Liaoning University of Technology, Jinzhou 121001, China (Jin Zhou; Xu, E.; Yanhong Li; Zhuo Wang; Zhixu Liu; Xiangyu Bai; Xuyong Huang)
Abstract	To deal with attribute reduction in incomplete information systems, this paper proposed a direct method of attribute relative reduction based on rough set theory. This reduction algorithm gives the concept of tolerance relationship similar matrix via extending equivalence relationship of rough set theory, which is called tolerance relationship. It introduces the generalized decision function to solve the problem of inconsistency in the incomplete information system. This algorithm uses the tolerance relationship similar matrix to calculate the core attributes of incomplete information systems. It applies attribute significance, which this paper puts forward based on attribute frequency in the tolerance relationship similar matrix, as the heuristic knowledge. And it makes use of binsearch heuristic algorithm to calculate the candidate attribute expansion so that it can reduce the expansion times to speed up reduction. Experiment results show that the algorithm is simple and effective.
Starting Page	12
Ending Page	19
File Size	216767
Page Count	8
File Format	PDF
ISBN	9781424452187
DOI	10.1109/CYBERC.2009.5342171
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-10
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Tolerance relationship similar matrix Heuristic algorithms Educational institutions Petrochemicals Binsearch heuristic algorithm Intelligent robots Information systems Rough set Incomplete information system Bayesian methods Generalized decision function Set theory Frequency Filling Intelligent systems
Content Type	Text
Resource Type	Article

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