【摘要】 搜索引擎能够帮助人们从网上迅速获取所需要的信息或资源,但由于网络信息爆炸式的增长,每一次搜索所获取的结果中能满足用户要求的信息与大量的无用信息混杂在一起,需要用户手工挑选,严重的影响了工作效率。因此,开发出一种针对特定用户或特定行业的搜索引擎具有现实意义,本文介绍了一种基于ROBOT的农业信息搜索引擎的设计方法。更多还原

【Abstract】 Search engine can help people gain useful information and resource from Internet.To engineer a search engine is a challenging task.Search engines index tens to hundreds of millions of web pages involving a comparable number of distinct terms.They answer tens of millions of queries every day.A robot,constructing technique of which is one of the most crucial technologies of search engine,is a device that carries out repetitive tasks.Robot goes out on the web and identifies multiple sites with information on a chosen topic and retrieves the information without the intervention of human being.This paper provides an in-depth description of an agricultural search engine based on robot or spider.更多还原