×

基于压缩后缀数组技术的搜索引擎

消耗积分:5 | 格式:rar | 大小:229 | 2009-04-22

绝代双骄

分享资料个

目前,搜索引擎的核心模块(索引器)均采用倒排文件结构,对短语查询的准确率较低。该文引入后缀数组技术进行全文索引,为克服全文索引时占用空间大的缺点,研究了压缩后缀数组技术,把后缀数组索引的大小压缩到了O(n)位,并给出应用压缩后缀数组索引的步骤和核心操作伪代码。对比实验表明,基于压缩后缀数组的索引比传统倒排文件索引的短语查准率提高了近20%。
关键词:压缩后缀数组;倒排文件;后缀数组;搜索引擎

声明:本文内容及配图由入驻作者撰写或者入驻合作网站授权转载。文章观点仅代表作者本人,不代表电子发烧友网立场。文章及其配图仅供工程师学习之用,如有内容侵权或者其他违规问题,请联系本站处理。 举报投诉

评论(1)
发评论
zg2369 2022-08-22
0 回复 举报
http://house.china.com.cn/sousou/%25CA%25D6%25BB%25FA%25D4%25DA%25CF%25DF%252C%2B%25C3%25E5%25B5%25E9%25BB%25CA%25BC%25D2%25B9%25FA%25BC%25CA%25D3%25E9%25C0%25D6%25D4%25DA%25CF%25DFB2024.cN%252C%25CC%25A9%25B0%25B2%25B9%25E3%25B2%25A5_2s.htm http://house.china.com.cn/sousou/%25B9%25FB%25B8%25D2%252C%2B%25BB%25B7%25C7%25F2%25B9%25FA%25BC%25CA%25D3%25E9%25C0%25D6%25B3%25C7B2024.cN%252C%25C1%25D9%25D2%25CA%25B1%25CF%25D2%25B5%25C9%25FA_2s.htm http://house.china.com.cn/sousou/%25C6%25BD%25CC%25A8%252C%2B%25B0%25EB%25C9%25BD%25B9%25FA%25BC%25CA%25D3%25E9%25C0%25D6%25B3%25C7B2024.cN%252C%25B0%25D7%25D2%25F8%25C3%25C0%25CA%25B3_2s.htm http://house.china.com.cn/sousou/%25BA%25F3%25CC%25A8%252C%2B%25BB%25AA%25C4%25C9%25B9%25FA%25BC%25CA%25D3%25E9%25C0%25D6%25C6%25BD%25CC%25A8%25BA%25C3%25B2%25BB%25BA%25C3B2024.cN%252C%25C1%25FA%25D1%25D2%25B7%25C3%25CC%25B8_14s.htm http://house.china.com.cn/sousou/%25C9%25CF%25CF%25C2%25B7%25D6%252C%2B%25C3%25E5%25B5%25E9%25BB%25AA%25C4%25C9%25B9%25FA%25BC%25CA 收起回复

下载排行榜

全部1条评论

快来发表一下你的评论吧 !