摘要
何种策略访问Web,以提高搜索效率,是近年来专业搜索引擎研究的焦点之一。按照评价链接价值所采用方法的不同,对现有的网络蜘蛛搜索策略进行了分类,分析、比较了各类搜索策略的特点和优缺点,总结了提高网络蜘蛛搜索效率的几个关键因素。对未来的研究方向进行了展望。
Much recent year's research has done on finding efficient strategies to visiting the Web in the domain of Topic-Specific Search Engine. This paper categorizes Web spiders' searching strategies based on the way they evaluate and predict the links obtained form Web. The principle and character of each class of searching strategy is described and the advantage and disadvantage are discussed. Then several keys to improving the efficiency of Web spiders are summed up. The future directions are also addressed.
出处
《计算技术与自动化》
2003年第4期63-67,共5页
Computing Technology and Automation
基金
国家自然科学基金(60203017)
国家科技基础性研究专项资金项目(2001DEA20016-02-04)资助。
