探索搜索引擎爬虫Discussion on Web Crawlers of Search Engine

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探索搜索引擎爬虫Discussion on Web Crawlers of Search Engine(中文4000字,英文2200字)
随着网络难以想象的急剧扩张，从Web中提取知识逐渐成为一种受欢迎的途径。这是由于网络的便利和丰富的信息。通常需要使用基于网络爬行的搜索引擎来找到我们需要的网页。本文描述了搜索引擎的基本工作任务。概述了搜索引擎与网络爬虫之间的联系。
关键词：爬行，集中爬行，网络爬虫。

Discussion on Web Crawlers of Search Engine
Abstract-With the precipitous expansion of the Web,extracting knowledge from the Web is becoming gradually important and popular.This is due to the Web‟s convenience and richness of information.To find Web pages, one typically uses search engines that are based on the Web crawling framework.This paper describes the basic task performed search engine.Overview of how the Web crawlers are related with search engine.
Keywords Distributed Crawling, Focused Crawling,Web Crawlers