| 基于词性选择的文本预处理方法研究 |
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| 引用本文： | 李英.基于词性选择的文本预处理方法研究[J].情报科学,2009(5). |
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| 作者姓名： | 李英 |
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| 作者单位： | 河北北方学院,图书馆,河北,张家口075000
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| 摘 要： | 预处理是文本分类中的一个重要环节,预处理结果的好坏不仅关系到分类的准确度,而且关系到训练时间的长短和影响到分类的速度.采用一种基于词性选择的文本预处理方法进行文本预处理,该方法与传统方法进行了实验对比,结果显示,该方法降低了特征维数,同时保证了分类性能.实验表明该方法能够获得较好的分类效果.
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| 关 键 词： | 文本分类 停用词 词性 文本预处理 |
Research on the Text Pretreatment Based on Part of Speech Selection |
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| LI Ying.Research on the Text Pretreatment Based on Part of Speech Selection[J].Information Science,2009(5). |
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| Authors: | LI Ying |
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| Institution: | Library of Hebei North University;Zhangjiakou 075000;China |
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| Abstract: | The text pretreatment is in a text classification important link,the pretreatment result quality not only relates the classification the accuracy,moreover relates the training time the length and affects the classified speed.This article used one kind to carry on the text pretreatment based on the lexical category choice text pretreatment method,this method and the conventional routes have carried on the experiment contrast,finally demonstrated that this method reduced the characteristic dimension,simultane... |
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| Keywords: | text categorization stop-words part of speech text pretreatment |
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