| 面向信息检索的排除词识别研究 |
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| 引用本文： | 章成志,苏新宁.面向信息检索的排除词识别研究[J].现代图书情报技术,2007,2(2):44-48. |
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| 作者姓名： | 章成志 苏新宁 |
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| 作者单位： | 南京大学信息管理系,南京,210093 |
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| 摘 要： | 针对信息检索中存在的词语排除关系问题，给出排除词的定义并说明排除词在信息检索中的作用。指出排除词实质上是最大准交集型歧义切分字段的伪歧义切分所导致的，描述排除词的识别方法，并给出识别的结果，并在实际的信息检索平台上对排除词词库进行应用测评。
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| 关 键 词： | 中文信息处理 交集型歧义 除词识别 伪歧义 |
| 收稿时间： | 2006-11-20 |
| 修稿时间： | 2006-11-20 |
Recognition Mutually Exclusive Words for Information Retrieval |
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| Zhang Chengzhi,Su Xinning.Recognition Mutually Exclusive Words for Information Retrieval[J].New Technology of Library and Information Service,2007,2(2):44-48. |
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| Authors: | Zhang Chengzhi Su Xinning |
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| Institution: | Department of Information Management, Nanjing University, Nanjing 210093, China |
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| Abstract: | This paper introduces the phenomenon of mutually exclusive words and poses the role of mutually exclusive words identification in information retrieval system.The authors indicate that mutually exclusive words can be identified from the pseudo-ambiguity results after segmentation of maximal quasi overlapping ambiguity string,then present the method and result of the mutually exclusive words identification.Also the application of mutually exclusive words is provided. |
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| Keywords: | Information retrieval Chinese information processing Overlapping ambiguity Mutually exclusive words recognition Pseudo-ambiguity |
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