search engine

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search engine

Informatics A software tool–eg, www.google.com for finding information from various sources online, usually by typing a few keywords. See Keyword. Cf Web crawler.
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* The 80/20 rule: With experienced upper school students, my goal is to spend no more than 20% of the class time talking and 80% of the time letting them research independently while I walk around the room and look over their shoulders, answer questions, and help them craft better search expressions. With middle school students or freshmen and sophomores, my percentage drops to 60/40 or even 50/50.
Its search algorithm inserts "AND" operators between words and doesn't allow Boolean search expressions because many people don't understand Boolean logic.

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