CIW Lesson 6 Web Search Engines.

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Presentation transcript:

CIW Lesson 6 Web Search Engines

Web search engines Search engine – software program that searches internet databases for user-specified information Keyword – a word that appears on a web page and is used by search engines to identify relevant URLs There are 3 ways to register a web site with a search engine The <meta> tag Spiders Manual registration Search engine vs. Information portal

Types of Web searches Directory Search Keyword Search The engine displays a list of categories and subcategories that you can browse Keyword Search You enter one or more keywords into the engine, or you can manually navigate an index’s structured directory using an information portal

Basic web searching techniques Yahoo! Alphabetized hypertext categories that match your keywords Web sites that match your keywords Yahoo! categories that list sites that match your keywords Activity 6-1 Google Google Maps Google Images Google Scholar Activity 6-2 Excite WebCrawler Site Rankings

Boolean Operators Boolean Operator – a symbol or word used for internet searches to narrow search results by including or excluding certain words or phrases from the search criteria Activity 6-3

Web Searches Using web searches to perform job tasks Unexpected web search results Portals vs. keyword searching Web search strategies

Evaluating Resources Evaluating Resources Types of resources Reviewed and non-reviewed resources Authoritative peer-reviewed Open peer-reviewed Individual Primary and secondary resources Developing evaluating skills Citing copyrighted online resources

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