| 一种基于类别核心词的概念映射方法 |
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| 引用本文： | 苑俊英,袁方,刘博.一种基于类别核心词的概念映射方法[J].广西师范大学学报(自然科学版),2007,25(2):140-144. |
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| 作者姓名： | 苑俊英 袁方 刘博 |
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| 作者单位： | 1. 河北大学,数学与计算机学院,河北,保定,071002
2. 河北农业大学,信息科学与技术学院,河北,保定,071001 |
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| 基金项目： | 河北省科技攻关计划
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河北省教育厅科研项目 |
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| 摘 要： | 由于同义词和多义词的存在,使得基于特征词的文本分类方法分类精度不高.近几年,基于概念的文本分类方法得到人们的重视.在此提出一种基于类别核心词的概念映射方法,首先从文本中抽取类别核心词,借助<知网>将特征词映射到基于类别核心词的概念空间,然后在概念空间上完成文本分类工作.实验结果表明,基于类别核心词的概念映射方法及相应的基于概念的文本分类能够有效提高文本分类的精度.
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| 关 键 词： | 文本分类 类别核心词 概念 <知网> |
| 文章编号： | 1001-6600（2007）02-0140-05 |
| 收稿时间： | 2006-12-15 |
| 修稿时间： | 2006-12-15 |
A Concept Mapping Method Based on Core Words of Class |
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| YUAN Jun-ying,YUAN Fang,LIU Bo.A Concept Mapping Method Based on Core Words of Class[J].Journal of Guangxi Normal University(Natural Science Edition),2007,25(2):140-144. |
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| Authors: | YUAN Jun-ying YUAN Fang LIU Bo |
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| Institution: | 1. College of Mathematics and Computer Science,Hebei University,Baoding 071002,China ; 2. College of Information Science and Technology,Hebei Agriculture University,Baoding 071001 ,China |
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| Abstract: | Text classification methods based on key words are not known for their classification precision, this is due to the existence of synonyms and polysemes. Fortunately a new text classification method based on concept is gaining more and more attention in recent years. This paper advances a new concept mapping method,which is core words oriented. The idea is to extract the core words of class first,then use HowNet to map key words space to concept space based on core words,finally finish the text classification process in the concept space. The method and the text classification based on concept can experiment result shows this concept mapping distinctively improve text classification precision. |
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| Keywords: | text classification core words concept HowNet |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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