Time-constrained cost-sensitive decision tree induction

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题名:	Time-constrained cost-sensitive decision tree induction
作者:	陳彥良;Chen, Yen-Liang;Wu, Chia-Chi;Tang, Kwei
贡献者:	管理學院資訊管理學系
关键词:	Algorithms;Buildings;Classification;Cost engineering;Cost-sensitive learning;Data mining;Decision analysis;Decision tree;Decision trees;Tasks;Training;Trees
日期:	2016-08-01
上传时间:	2026-04-23 13:56:49 (UTC+8)
出版者:	Elsevier Inc.;Elsevier Inc
摘要:	摘要： •Cost-sensitive decision tree induction is to build a decision tree from training data with minimal cost.•No previous research has studied how to induce the minimal cost tree if the classification task has to be completed in a limited time.•This paper proposed an algorithm to induce time-constrained minimal cost tree.•The experiment results show the performance of our algorithm is very satisfactory under different time constraints. A cost-sensitive decision tree is induced for the purpose of building a decision tree from training data that minimizes the sum of the misclassification cost and test cost. Although this problem has been investigated extensively, no previous study has specifically focused on how the decision tree can be induced if the classification task must be completed within a limited time. Accordingly, we developed an algorithm to generate a time-constrained minimal-cost tree. The main idea behind the algorithm is to select the attribute that brings the maximal benefit when time is sufficient, and to select the most time-efficient attribute (i.e., the attribute that provides maximal benefit per unit time) when time is limited. Our experimental results show that the performance of this algorithm is highly satisfactory under various time constraints across distinct datasets. 出版者： Elsevier Inc 出版日期： 2016-08-01 出處： Information sciences, 2016-08, Vol.354, p.140-152 資源來源： Elsevier ScienceDirect Journals Complete - Autoholdings 版權： 2016 Elsevier Inc. 識別號： ISSN: 0020-0255 識別號： EISSN: 1872-6291 識別號： DOI: 10.1016/j.ins.2016.03.022
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