May 27th, 2009
New search engine Topsy , which has been in stealth development for three years, launches, well, now . Before Google, search engines like AltaVista determined relevance based on how well a web page matched the query. Then came Google, which views the web as a network of documents. Today, all search engines analyze linking behavior around the web. When a web page is linked to a lot, it’s given more influence than other pages …

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