PageRank is a particular application of the social network analysis techniques above to compute the relative importance of websites in the overall world wide web. The data on websites and their links is gathered through web crawler bots that traverse through the webpages at frequent intervals. Every webpage is a node in a social network, and all the hyperlinks from that page become directed links to other webpages. Every outbound link from a webpage is considered an outflow of influence of that webpage. An iterative computational technique is applied to compute a relative importance to each
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