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How Internet Search Engines Work

How Internet Search Engines Work. By: Michael Farese. What is a Search Engine?. An internet search engine is a search tool on the web. Examples of search engines are: Google Bing Ask.com. Search Engines Then and Now. Then: Thousands of words indexed a day

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How Internet Search Engines Work

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  1. How Internet Search Engines Work By: Michael Farese

  2. What is a Search Engine? • An internet search engine is a search tool on the web. • Examples of search engines are: • Google • Bing • Ask.com

  3. Search Engines Then and Now Then: Thousands of words indexed a day Now: Tens of millions of words searched a day

  4. Tasks a search engine does Searches internet for key words Holds an index of found information Looks for combinations of words

  5. How a Search Engine Performs the Tasks Web software called, “Spiders” search millions of pages A list of content and location is made That list is indexed then saved and stored for users.

  6. Google vs. Others • Google’s software uses 3 spiders at a time • Google’s spiders record 2 things • Key words within the page • Where the words were found

  7. AltaVista AltaVista is another search engine AltaVista puts words like, “an, the a” into their index. Google searches for key words and gives you better results.

  8. Some Cool Search Engines http://www.ninjagoogle.com/ http://www.dinoogle.com/ http://www.boogle.com/ http://www.purpoogle.com/

  9. Sources www.howstuffworks.com

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