An Optimization Model for Outlier Detection in Categorical Data
An Optimization Model for Outlier Detection in Categorical Data
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DOI:
10.1007/11538059_42
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发表时间:
2005-03
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影响因子:
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通讯作者:
Zengyou He;S. Deng;Xiaofei Xu
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文献类型:
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作者:
Zengyou He;S. Deng;Xiaofei Xu
In this paper, we formally define the problem of outlier detection in categorical data as an optimization problem from a global viewpoint. Moreover, we present a local-search heuristic based algorithm for efficiently finding feasible solutions. Experimental results on real datasets and large synthetic datasets demonstrate the superiority of our model and algorithm.