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Comparing Search Engines.

This prezi will compare 3 types of serahc engines: Meta-Search Engines, and Subject Directories. It will include: - differences, - similarities, - suggested use (reflecting in needs and results) - images to enhace information

victoria mejia

on 6 December 2010

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Transcript of Comparing Search Engines.

Search Engines Power conduct searches with these tools that search multiple search engines at the same time The Meta Search engine There are three types of online searching tools. Examples: Dogpile.com Instant results
Doesnt have its own directory You may not get the same results everytime mamma.com All of get you the information you need! Search engines do 'black list' sites they consider 'spam' and block them from being listed. are designed to help people find information stored on other sites. They search the Internet or select pieces of the Internet based on important words They keep an index of the words they find, and where they find them. Examples: sweetsearch.com searchcube.com both search information stored in other sites Subject Directories created by human specialists Most subject directories provide summary descriptions for every link, allowing you to get an idea of what is on a listed page without having to actually open it. Subject directories effectively use hypertext links, enabling you to work your way from broad categories to specific topics By hypertext-linking the pages, these directories can be very topic-focused. examples: about.com eduhound.com In both the site and the search engine from where the information is, is shown. both don't have its own database THE END!
by: Victoria Mejia
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