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A search engine is a database that indexes web pages, then displays a listing of those that are relevant when a user performs a keyword search. "Search engine" can refer to the program on an individual website, or those on broad internet sites such as Google, Bing, Yahoo!, and[1] Most search engines display the number of web pages they hold in their database and "ranks" the results according to a set of parameters (called algorithms).[2]

See also


  1. ^ American Marketing Association. AMA Dictionary.
  2. ^
    SEMPO. Glossary of Terms. <>.

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