Find Information on the Internet |
Search Engines - searchable databases of web sites collected by a computer program called a wanderer, crawler, robot, worm or spider. Search engines use keywords entered by users to find and display relevant records from its database. Different search engines will retrieve different results because they are using different software to find the documents. Web sites are selected automatically and are not evaluated in any way before they are entered into the database. Search engines and meta search engines often include directories.
- built by computer robot programs ("spiders") -- not by human selection
- not organized by subject categories -- all pages are ranked by a computer algorithm
- contain full-text (every word) of the web pages they link to -- you find pages by matching words in the pages you want
- not evaluated
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