COSA 30 Chapter Notes - Chapter CH. 8: Digital Ethics & Awareness: Solar Flare, Google Scholar, Information Ethics
17 Mar 2019
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Objective 1: demonstrate how to navigate the web. Search engine: a program that searches a database for specific words & returns a list of web pages or documents in which the search term was found. Spiders: search engines send these out to crawl the web and gather information. Metasearch engines: search other search engines and aggregate results. Dogpile is a metasearch that pulls from google, yahoo, & several other search engines. Boolean searches: use logical operators--and, or, & not--to link the words you are searching for; should be used in uppercase letters. Using and to join two words results in pages that include both words--so the number of hits is lower. Joining two words with an or means that either word can be present--so the number of hits is larger. Using not is exclusive, which means the results must include the first word but cannot include the second word.
