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11 April 2006
Google has just been granted a patent called "Adaptive computation of ranking", which deals with faster PageRank approximations.Another patent called "Methods for ranking nodes in large directed graphs" deals with another variant of PageRank that I wrote about some time ago (I called it HostRank, the article is no longer available). Both patents are follow-ups on papers by Taher Haveliwala (the author of the Topic Sensitive PageRank papers) who now works for Google. I wonder, if Google has filed for a patent on Topic Sensitive PageRanks. I think the second patent has better real world applications and matches perfectly with Google's distributed architecture. |
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