google search. how google search works?

2 ANSWERS

1. Guest9191
   

   To be very precise...
   
   Googlebot, a web crawler that finds and fetches web pages.
   
   The indexer that sorts every word on every page and stores the resulting index of words in a huge database.
   
   The query processor, which compares your search query to the index and recommends the documents that it considers most relevant.
   
   For more info, you can visit: http://computer.howstuffworks.com/google1.htm

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2. Guest8699
   

   Fast crawling technology is needed to gather the web documents and keep them up to date. Storage space must be used efficiently to store indices and, optionally, the documents themselves. The indexing system must process hundreds of gigabytes of data efficiently. Queries must be handled quickly, at a rate of hundreds to thousands per second.
   Thats all I know till now.

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