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Saturday, November 26, 2005
The Page Rank model(the closest parallel that I can think of in terms of reach and power is the Coke’s original formula) is indeed a very powerful framework – the benefit of which is felt by all in the web world but little understood. Earlier I covered John Battelle writing about the 1996 Sergey and Page's crawler configured from stanford homepage working outward. Inspired by citation analysis, Page realized that a raw count of links to a page would be a useful guide to that page's rank. He also saw that each link needed its own ranking, based on the link count of its originating page. But such an approach creates a difficult and recursive mathematical challenge - you not only have to count a particular page's links, you also have to count the links attached to the links. Together, Page and Brin created a ranking system that rewarded links that came from sources that were important and penalized those that did not. Page and Brin's breakthrough was to create an algorithm - dubbed PageRank after Page - that manages to take into account both the number of links into a particular site and the number of links into each of the linking sites.
Category :PageRank, Google, Emerging Technology |
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