| 基于概念格的查询扩展词推荐 |
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| 引用本文： | 崔骏,张选平,高由兵.基于概念格的查询扩展词推荐[J].微电子学与计算机,2008,25(5):158-161. |
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| 作者姓名： | 崔骏 张选平 高由兵 |
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| 作者单位： | 西安交通大学电信学院软件研究所,陕西,西安,710049 |
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| 基金项目： | 国家自然科学基金
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西安交通大学九项目 |
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| 摘 要： | 概念格是一种擅长描述层次关系的数学工具,在规则提取和数据分析中有广泛的应用.引入概念格理论对页面——概念形式背景建立了数学模型,在概念格基础上提出了一种查询扩展词生成算法.利用概念格Hasse图以及关联规则置信度以较高的效率生成扩展词作为二次搜索关键词,使信息搜索达到更好的效果.该算法在Diggol智能元搜索引擎上予以实现,取得了良好的效果.
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| 关 键 词： | 查询扩展 概念抽取 概念格 规则抽取 |
| 文章编号： | 1000-7180(2008)05-0158-03 |
| 修稿时间： | 2007年8月17日 |
A Query Expansion Word Recommending Model Based on Concept Lattice |
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| CUI Jun,ZHANG Xuan-ping,GAO You-bing.A Query Expansion Word Recommending Model Based on Concept Lattice[J].Microelectronics & Computer,2008,25(5):158-161. |
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| Authors: | CUI Jun ZHANG Xuan-ping GAO You-bing |
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| Abstract: | Concept Lattice is a kind of mathematic tools which is adept in describing hierarchy relationship,and is widely used in the rule extraction and the data analysis.This paper import concept lattice theory to build a mathematic model for the document-concept formal context.Using the concept lattice,Hasse diagram and confidence rate this article presents a query expansion word generation algorithm based on concept lattice,and provides more accurate similar terms as |
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| Keywords: | to improve the retrieval effectiveness This algorithm has been implemented on the Diggol intelligent meta-search engine and has a good performance Key words:query expansion concept extraction concept lattice rule extraction |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
