This article provides a mixed strategy topic crawler which is based on network log analysis in order to adapt the dynamics and integrality of topic.
为适应主题的动态性和完整性，本文提出了一种基于网络日志分析的混合策略主题爬虫。
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。
Topic crawler based on dynamic topic base was proposed by studying on topic crawlers which filter URLs based on different strategies.
通过对基于不同策略过滤url的主题爬虫的研究，提出了一种基于动态主题库的主题爬虫。
Topic crawler based on dynamic topic base was proposed by studying on topic crawlers which filter URLs based on different strategies.
通过对基于不同策略过滤url的主题爬虫的研究，提出了一种基于动态主题库的主题爬虫。
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