【摘要】 论述了三代搜索引擎的发展 ,着重介绍了第三代搜索引擎的体系结构 ,详细讨论了该搜索引擎的几个核心技术———大规模搜集技术、超链分析技术和用户行为分析技术。介绍了作者参与研发的第三代搜索引擎———“天网”的研究进展 ,并指出了搜索引擎未来几个研究的热点方向更多还原

【Abstract】 With the rapid growing of WWW,significant progress has been made in search engine research area.The evolvement of search engine and the system architecture for the 3 rd generation are reviewed.More emphasis will be given on some core technologies related to search engines of the 3 rd generation.For example,the massive and efficient web\|crawling technology,the method of hyper\|link analysis,and the user behavior analyzing technology will be described in detail.In addition,it is also presented the recent research progress of WebGather,which is a typical search engine of 3 rd generation.Several research hotspots for future search engine systems are pointed out in the conclusion.更多还原