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  2017, Vol. 30 Issue (9): 859-864    DOI: 10.16451/j.cnki.issn1003-6059.201709010
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Three-Way Decisions Model for Multi-object Optimization Based on Confusion Matrix
XU Jianfeng1,2, MIAO Duoqian1, ZHANG Yuanjian1
1.College of Electronics and Information Engineering, Tongji University, Shanghai 201804
2.School of Software, Nanchang University, Nanchang 330029

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Abstract  In consideration of the generalized application of confusion matrix as an important algorithmic measurement tool in machine learning field, a three-way decision measure system of the probabilistic rough set is constructed based on three-way decision confusion matrix. Then, the properties of partial three-way decision measures are discussed. A multi-object optimization function model for three-way decisions thresholds computing is proposed as well. In this model, multi-object optimization functions are considered as weighted sums of three-way decisions measures ,and a new semantic interpretation is acquired for solving the optimal threshold. Finally, the solving process of accepting and rejecting thresholds of the model is demonstrated via an case. By comparing with the classic Pawlak rough set method and confusion matrix model, the confusion matrix model can better balance the accurate rate and the commitment rate for three-way decisions.
Key wordsThree-Way Decisions      Probabilistic Rough Set      Objective Function      Confusion Matrix     
Received: 06 May 2017     
ZTFLH: TP 391  
About author:: (XU Jianfeng, born in 1973, Ph.D. candidate, associate professor. His research inte-rests include data mining, rough set and three-way decisions.)
(MIAO Duoqian(Corresponding author), born in 1964, Ph.D., professor. His research interests include granular computing, rough set, Web intelligence, data mining and machine learning.)
(ZHANG Yuanjian, born in 1990, Ph.D. candidate. His research interests include three-way decisions, rough set and machine learning.)
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XU Jianfeng,MIAO Duoqian,ZHANG Yuanjian. Three-Way Decisions Model for Multi-object Optimization Based on Confusion Matrix[J]. , 2017, 30(9): 859-864.
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http://manu46.magtech.com.cn/Jweb_prai/EN/10.16451/j.cnki.issn1003-6059.201709010      OR     http://manu46.magtech.com.cn/Jweb_prai/EN/Y2017/V30/I9/859
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