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Info: Biography, Pictures, Discography of all CDs & DVDs |
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| Rank 1 is a Dutch trance group, formed in the Netherlands in 1997.Although the two members of the group (Benno De Goeij and Piet Bervoets) had worked together before, Rank 1 (a name first used in 1999) was their first project with commercial success.This article on a Dutch band or other musical ensemble is a stub.You can help by expanding it.This page was last modified 19:19, 6 January 2008.Mathematical PageRanks (out of 100) for a simple network (PageRanks reported by google are rescaled logarithmically).Sergey Brin as part of a research project about a new kind of search engine.While just one of many factors which determine the ranking of Google search results, PageRank continues to provide the basis for all of Google's web search tools.Google directory PageRank
3.In essence, Google interprets a link from page A to page B as a vote, by page A, for page B.But, Google looks at more than the sheer volume of votes, or links a page receives; it also analyzes the page that casts the vote.In other words, a PageRank results from a "ballot" among all the other pages on the World Wide Web about how important a page is.Numerous academic papers concerning PageRank have been published since Page and Brin's original paper.Alternatives to the PageRank algorithm include the HITS algorithm proposed by Jon Kleinberg, the IBM CLEVER project and the TrustRank algorithm.All PageRank PR( ) in this simplistic system would thus gather to A because all links would be pointing to A.In the general case, the PageRank value for any page u can be expressed as:
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i.PageRank algorithm including damping factor
The PageRank theory holds that even an imaginary surfer who is randomly clicking on links will eventually stop clicking.So any page's PageRank is derived in large part from the PageRanks of other pages.The damping factor adjusts the derived value downward.The second formula above supports the original statement in Page and Brin's paper that "the sum of all PageRanks is one".Unfortunately, however, Page and Brin gave the first formula, which has led to some confusion.M(pi) is the set of pages that link to pi, L(pj) is the number of outbound links on page pj, and N is the total number of pages.This is a variant of the eigenvector centrality measure used commonly in network analysis.In Google's other search services (such as its primary Web search) PageRank is used to weight the relevance scores of pages shown in search results.Various strategies to manipulate PageRank have been employed in concerted efforts to improve search results rankings and monetize advertising links.The Google Toolbar's PageRank feature displays a visited page's PageRank as a whole number between 0 and 10.The most popular websites have a PageRank of 10.The least have a PageRank of 0.Unlike the Google Toolbar which shows the PageRank value by a mouseover of the greenbar, the Google Directory does not show the PageRank as a numeric value but only as a green bar.This spoofing technique, also known as 302 Google Jacking, is a known failing or bug in the system.PageRank links to webmasters.PageRank is to rank academic doctoral programs based on their records of placing their graduates in faculty positions.PageRank has also been used to automatically rank WordNet synsets according to how strongly they possess a given semantic property, such as positivity or negativity.PageRank has been used to generate customized reading lists based on the link structure of Wikipedia.This method of avoidance, however, also has various drawbacks, such as reducing the link value of actual comments.Sergey Brin and Lawrence Page (1998).Fast PageRank Computation via a Sparse Linear System (Extended Abstract).Rodriguez, and Herbert Van de Sompel.Andrea Esuli and Fabrizio Sebastiani.Retrieved on November 29, 2006.Proceedings of the seventh conference on World Wide Web.Motwani, Rajeev and Winograd, Terry (1999)."The intelligent surfer: Probabilistic combination of link and content information in PageRank"."Manipulability of PageRank under Sybil Strategies".Proceedings of the First Workshop on the Economics of Networked Systems (NetEcon06).External links
Our Search: Google Technology by Google
How Google Finds Your Needle in the Web's Haystack by the American Mathematical Society
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