Focused crawling using navigational rank

  title={Focused crawling using navigational rank},
  author={Shicong Feng and Xiang Lin and Yuhong Xiong and Conglei Yao},
The goal of focused crawling is to use limited resources to effectively discover web pages related to a specific topic rather than downloading all accessible web documents. The major challenge in focused crawling is how to effectively determine each hyperlink's capability of leading to target pages. To compute this capability, we present a novel approach, called Navigational Rank (NR). In general, NR is a kind of two-step and two-direction credit propagation approach. Compared to existing… CONTINUE READING


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