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A new method of focused crawling is presented. 提出了一种新型主题爬取方法。
Apparently, focused crawling is a challenging research topic. 因此，主题爬行又是一个极富挑战性的研究课题。
As the key component of search strategy in topic-oriented web spider, the topic relativity judging algorithms ensure the focused web crawling process of the spider. 作为主题网络蜘蛛搜索策略的核心部分，主题相关性判断算法是网络蜘蛛能够围绕设定主题进行聚焦检索的关键。