Boolean Operators are words or symbols used as conjunctions to combine or exclude keywords in a search. Using these operators, you are able to focus your search on the results that will be most helpful. Google also has a few additional operators that work to refine results.
Below are common Boolean operators that work when searching within Google and Google Scholar, as well as an example of each.
|Vegetarianism AND obesity
(Search for content that contains both vegetarianism and obesity.)
One term OR another
|Scholarly OR academic
(Search for content that contains scholarly OR academic.)
Exclude a term from the search
(Limits results to only those with bears and not the term Chicago.)
Exclude a website from the search
(Limits results to results other than Wikipedia.)
Synonyms of term
(Search for the term academic and its synonyms.)
(Search for the phrase sleep deprivation.)
For more information regarding Boolean Operators and how to use them, please visit the following Internet resources: