| 基于概念检索的中文搜索引擎的设计与实现 |
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| 引用本文： | 谭义红,王鑫,周铁军.基于概念检索的中文搜索引擎的设计与实现[J].计算机应用与软件,2006,23(5):38-40. |
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| 作者姓名： | 谭义红 王鑫 周铁军 |
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| 作者单位： | 1. 长沙大学信息与计算科学系,湖南,长沙,410003
2. 中南林学院现代实验,爰际踔行,湖南,长沙,410006 |
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| 摘 要： | 构建语义库和扩展查询是影响概念检索效率的主要因素。提出一种自动构建语义库和相关性查询扩展的方法，方法利用关联规则挖掘技术，自动从文档中导出概念／词语之间相关性及层次关系，构建关联库，再通过关联库，对查询请求进行相关性扩展，以实现概念检索。实验结果显示，方法是有效的，能提高信息检索的查全率和查准率。
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| 关 键 词： | 概念检索 搜索引擎 查询扩展 关联规则 |
| 收稿时间： | 05 30 2005 12:00AM |
| 修稿时间： | 2005-05-30 |
DESIGN AND IMPLEMENTATION OF CONCEPT-BASED RETRIEVAL FOR CHINESE SEARCH ENGINE |
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| Tan Yihong,Wang Xin,Zhou Tiejun.DESIGN AND IMPLEMENTATION OF CONCEPT-BASED RETRIEVAL FOR CHINESE SEARCH ENGINE[J].Computer Applications and Software,2006,23(5):38-40. |
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| Authors: | Tan Yihong Wang Xin Zhou Tiejun |
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| Affiliation: | 1.Department of Information and Computing Science, Changsha University, Changsha Hunan 410003, China; 2 . Center of Modern Experiment and Technology, Central South Forestry University, Changsha Hunan 410006, China |
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| Abstract: | Building semantic database and Expanding Query are the most important factors of concept-based retrieval.this paper puts forward a method of query expansion based on the association rules-based database(semantic database).In the method,firstly,the associations between concept/words entry and the concept layers are derived from the documents automatically by the technology of mining association rules,with which the association rules-based database is built,then queries are expanded based on the database.The experimental results show that this method is efficient,and the accuracy of retrieval is improved. |
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| Keywords: | Concept-based retrieval Search engine Query expansion Association rules |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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