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Module 2: Web Search Engines

Terminology

Boolean Logic
Using the terms AND OR NOT NEAR to limit or expand the results of your search.
Web Directory
An organized tree/Yellow Pages of Websites. Site owners list their Website within the tree structure of the directory.
Search Engine
A Website specifically constructed to search the contents of Web pages. Some search the entire contents of a site; some search only specifically marked words (called metatags) within the page.
Metasearch engine
A site that searches a number of different search engines at the same time.
Natural Language Searching
The ability of a search engine to take a typed question (such as "Does diet affect Crohn's Disease") and adapt the question to maximize retrieval.
Truncation
Entering the root of a word, and using a symbol (often *) to search for all possible endings for the word.
URL
The address of a Web page.