| 基于B＋树的文本信息检索技术 |
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| 引用本文： | 张华,顾红飞,刘涛.基于B＋树的文本信息检索技术[J].皖西学院学报,2010,26(2):31-35. |
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| 作者姓名： | 张华 顾红飞 刘涛 |
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| 作者单位： | 阜阳职业技术学院,工程科技学院,安徽,阜阳,236031 |
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| 基金项目： | 安徽省优秀青年人才基金资助项目 |
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| 摘 要： | 随着人类步入信息时代,网上庞大的数字化信息与人们获取所需信息能力之间的矛盾日益突出,怎样快速地检索相关信息已经成为研究热点。阐述了全文检索系统的原理,分析了基于字表结构的索引组织方法和索引库的建立。通过和B-树的对比,提出了基于B＋树的索引存储方法及其算法思想,对提高索引的存储效率和查找速度具有一定意义。
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| 关 键 词： | B＋树 全文索引 B-树 倒排索引 |
Information Retrieval Technique of Text Database Based on B+ Tree |
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| ZHANG Hua,GU Hong-fei,LIU Tao.Information Retrieval Technique of Text Database Based on B+ Tree[J].Journal of Wanxi University,2010,26(2):31-35. |
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| Authors: | ZHANG Hua GU Hong-fei LIU Tao |
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| Institution: | ZHANG Hua,GU Hong-fei,LIU Tao (Institute of Engineering , Technology,FuYang College of Vcational , Technology,Fuyang 236031,China) |
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| Abstract: | With human into the information age,the contradiction between large amount of digital information and the information people really need becomes more and more incisive,and how quickly retrieve relevant information has become a hotspot.This article describes the principle of full text retrieval system,analysis of word-based index of the table structure methods and the establishment of the index database.By the comparison between B-tree and B+tree,we find that B+ tree structure can be used as storage index tr... |
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| Keywords: | B+Tree Full-text-Index B-Tree inverted index |
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