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Networked Life by Mung Chiang

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3 How does Google rank webpages?

3.1   A Short Answer

Now we turn to the other links you see on a search-result webpage; not the ads or sponsored search results, but the actual ranking of webpages by search engines such as Google. We will see that, each time you search on www.google.com, Google solves a very big system of linear equation to rank the webpages.

The idea of embedding links in text dates back to the middle of the last century. As the Internet scaled up, and with the introduction of the web in 1989, the browser in 1990, and the web portal in 1994, this vision was realized on an unprecedented scale. The network of webpages is huge: somewhere between 40 billion and 60 billion according to various estimates. And most of them are ...

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