主题蜘蛛的设计与实现  

The Design and Implementation of Focused-spider

作　　者：宋宇[1] 孟祥增[1] 

机构地区：[1]山东师范大学教育技术系,济南250014

出　　处：《郑州大学学报（理学版）》2007年第2期42-45,49,共5页Journal of Zhengzhou University:Natural Science Edition

基　　金：山东省自然科学基金资助项目;编号y2005G21

摘　　要：针对多媒体资源在网上的分布特点,采用链接类型过滤、网页内容过滤、链接内容过滤三层过滤和临时页面存储、目标页面存储、中间链接存储、更新存储四层存储机制,设计并实现了一个对包含多媒体资源(音频、视频和Flash动画)的网页进行搜集的主题蜘蛛.实验结果显示,该主题蜘蛛能有效提高查准率.According to the distributed characteristics of multimedia resources, employing the way of three-filter that is link type filter, page content filter, link content filter and four-store that is temporary page store, targeted-page store, middle link store, update store, a focused-spider which is applied to collect the Web pages that contain the multimedia resources （including audio, video and Flash）, is designed and implemented. The experiment results show that this focused-spider can raise the precision ratio greatly.

关 键 词：主题蜘蛛 链接过滤 内容过滤 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]