Topic web crawler search strategy is the core of professional search engine technology.

主题网络蜘蛛搜索策略是专业搜索引擎的核心技术。

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Then a topic crawler system was designed and implemented, employing topic sensitive Hyperlink-Induced Topic Search (HITS) to predict the priority of fetched Web pages.

在此基础上设计并实现了一个主题爬虫系统，该系统利用主题敏感HITS来计算网页优先级。

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The main goals of focused web crawler are to get more web pages which are correlative with a certain topic and prepare data for users querying.

聚焦网络爬虫并不追求大的覆盖，而将目标定为抓取与某一特定主题内容相关的网页，为面向主题的用户查询准备数据资源。

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