Posted by Aqeel Syed on May 28, 2009 ·
New search engine Topsy, which has been in stealth development for three years, is launched. 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 and delpoyed its PR algorithm. Today all search engine determine search be linking behaviour.
Now web is changing and real time content is being created, Google [...]