All About Boolean Search
What is Boolean Search?
- Built on a method of symbolic logic.
- Allows you to combine words or phrases.
- A good research should know how to use Boolean Search.
- Developed by George Boole.
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| George Boole 19th Century English Mathematician |
How to use Boolean Search?
Boolean Operators: and, or, not
Boolean Modifiers: " ", *, ( )
"AND" logic
AND : Using AND narrows a search by combining terms.
"OR" logic
OR : Using OR broadens a search to include results that contain either of the words you're looking for.
"NOT" logic
NOT : Using NOT will narrow a search by exclusion. (Some search engines, like Google, recognize the minus (-) symbol, instead of the word NOT).
References
Burns, S. (2011, Feb. 22). What is boolean search? New York Public Library. https://www.nypl.org/blog/2011/02/22/what-boolean-search
McMaster Libraries. (2016, Nov. 28). How library stuff works: Boolean modifiers. [Video]. Youtube. https://www.youtube.com/watch?v=Ed7EswsnEbM
McMaster Libraries. (2016, Nov. 28). How library stuff works: Boolean operators. [Video]. Youtube. https://www.youtube.com/watch?v=bCAULDuMcso&t=2s
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