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| Internet Search Algorithms: Web Crawler, Pagerank, Index, Federated Search, Url Normalization, Dothomes, Proximity Search |  | Creator: Books LLC
Publisher: Books LLC
Category: Book
List Price: $14.14
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Sales Rank: 2,852,968
Media: Paperback
Pages: 88
Number Of Items: 1
Shipping Weight (lbs): 0.3
Dimensions (in): 9 x 6 x 0.2
ISBN: 1156775469
EAN: 9781156775462
ASIN: 1156775469
Publication Date: May 24, 2010
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Product Description
Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Chapters: Web Crawler, Pagerank, Index, Federated Search, Url Normalization, Dothomes, Proximity Search, Distributed Web Crawling, Arachnode.net, Focused Crawler, Web Harvesting, Image Meta Search, Hilltop Algorithm. Excerpt: PageRank is a link analysis algorithm, named after Larry Page, used by the Google Internet search engine that assigns a numerical weighting to each element of a hyperlinked set of documents, such as the World Wide Web, with the purpose of "measuring" its relative importance within the set. The algorithm may be applied to any collection of entities with reciprocal quotations and references. The numerical weight that it assigns to any given element E is also called the PageRank of E and denoted by The name "PageRank" is a trademark of Google, and the PageRank process has been patented ( ). However, the patent is assigned to Stanford University and not to Google. Google has exclusive license rights on the patent from Stanford University. The university received 1.8 million shares of Google in exchange for use of the patent; the shares were sold in 2005 for $336 million. Google describes PageRank: 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. A hyperlink to a page counts as a vote of support. The PageRank of a page is defined recursively and depends on the number and PageRank metric of all pages that link to it ("incoming links"). A page that is linked to by many pages with high PageRank receives a high rank itself. If there are no links to a web page there is no support for that page. Google assigns a numeric weighting from 0-10 for each webpage on the Internet; this PageRank denotes a sites importance in the eyes of Google. The PageRank is derived from a theoretical probability value on...
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