| 基于逆文献频率和语词位置加权算法的文献自动标引的研究 |
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| 引用本文： | 余秋冬,王战.基于逆文献频率和语词位置加权算法的文献自动标引的研究[J].天津职业院校联合学报,2010,12(2):71-75. |
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| 作者姓名： | 余秋冬 王战 |
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| 作者单位： | 1. 天津农学院,天津市,300384
2. 天津海运职业学院,天津市,300457 |
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| 摘 要： | 介绍以普通英文科技文献为测试样本,利用海量信息处理的原理对样本进行标引,为最终的用户检索服务。介绍系统的系统构架,标引原理和数据处理流程等,提出逆文献频率加权和语词位置加权两种算法相结合的方式来达到目的。
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| 关 键 词： | 自动标引 文献频率 位置加权 |
Research on Automatic Indexing of Literature Based on Algorithms of Anti-documents Frequency and Position Weight |
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| YU Qiu-dong,WANG Zhan.Research on Automatic Indexing of Literature Based on Algorithms of Anti-documents Frequency and Position Weight[J].Journal of Tianjin Vocational Institutes,2010,12(2):71-75. |
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| Authors: | YU Qiu-dong WANG Zhan |
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| Institution: | YU Qiu-dong1,WANG Zhan2 (1.Tianjin Agriculture University,Tianjin 300384 China,2.Tianjin Maritime Vocational Institute,Tianjin 300457 China) |
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| Abstract: | The English science and technology literature automatic index system takes the general English science and technology literatures as testing sample to perform indexing process on the basis of principles of mass information processing,and provides retrieval service for end users.The system architecture,index principles and data processing flow are described in the paper.The paper presents the algorithms of anti-documents frequency and position weight to choose Key words best. |
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| Keywords: | automatic indexing documents frequency position weight |
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