Google Page Rank can be defined as the score given to a website based on a complex algorythm of factors including votes cast in the form of links from one page to another, this definition was copied from
From Wikipedia, the free encyclopedia
PageRank uses links as “votes”
Google describes PageRank:[2]
| “ | PageRank relies on the uniquely democratic nature of the web by using its vast link structure as an indicator of an individual page’s value. 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. Votes cast by pages that are themselves “important” weigh more heavily and help to make other pages “important”. | ” |
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.
Numerous academic papers concerning PageRank have been published since Page and Brin’s original paper.[3] In practice, the PageRank concept has proven to be vulnerable to manipulation, and extensive research has been devoted to identifying falsely inflated PageRank and ways to ignore links from documents with falsely inflated PageRank.
Alternatives to the PageRank algorithm include the HITS algorithm proposed by Jon Kleinberg and the IBM CLEVER project.
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