计算机应用

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基于CART算法的垃圾邮件过滤模型设计与实现

孔颖 裘彬强 徐从富   

  1. 浙江科技学院 浙江大学计算机科学与技术学院
  • 收稿日期:2008-08-27 修回日期:2008-10-16 发布日期:2009-04-22 出版日期:2009-02-01
  • 通讯作者: 孔颖

Design and realization of spam filtering model based on CART algorithm

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  • Received:2008-08-27 Revised:2008-10-16 Online:2009-04-22 Published:2009-02-01

摘要: 介绍分类与回归树(CART)算法在垃圾邮件过滤中的应用。首先对样本邮件进行文本预处理,并对正常邮件和垃圾邮件训练集进行训练,用CART算法建立单分类器模型,随后又采用Boosting思想组合CART算法建立多分类器模型。对比实验表明,基于CART算法的多分类器模型效果更好。

关键词: 垃圾邮件过滤, CART算法, Boosting算法

Abstract: The Classification and Regression Tree (CART) algorithm was introduced, and the application of the CART algorithm in spam filtering was discussed. Firstly, text messages of email samples were pre-processed, regular email and spam training sets were trained to establish the single classifier with the CART algorithm. Then a boosting based model which was combined with multiple CART classifiers was established. The comparison test results show that the multiple CART classifiers based on boosting has achieved better results.

Key words: Spam filtering, CART algorithm, Boosting algorithm