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Research Guides: Boolean Operators: A Cheat Sheet: Home
Boolean logic (named after mathematician George Boole) is a system of logic to designed to yield optimal search results. The Boolean operators, AND, OR, and NOT, help you construct a logical search. The circle diagrams that help illustrate the relationships between the sets used in Boolean logic were named after another mathematician, John Venn.
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Logical (binary) operators - Kusto | Microsoft Learn
Learn how to use Logical (binary) operators to return a Boolean result.
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Boolean Searching - Advanced Library Search Strategies - LibGuides at ...
Boolean Searching: A search technique that uses Boolean Operators (AND, OR, NOT) to limit or widen your search. Boolean operators define the relationship between your search terms, allowing you to refine and focus your results.
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Build your search (Boolean Operators and Modifiers) - Writing ...
Search operators are a set of commands that can be used in almost every search engine, database, or online catalogue. The most popular operators are AND, OR, and NOT. These must all be in capital letters to work. Other operators include parentheses, truncation, and phrases. Use the following search operators to broaden or narrow your results.
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Research Guides: Google & Google Scholar: Boolean Operators
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.
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Boolean Operators (AND, OR, NOT) - Spartanburg Community College
There are three Boolean Operators: AND: All keywords must appear in your results. AND will narrow down a search. OR: Either of the keywords must appear in the results. OR will give you more results. NOT: Excludes certain keywords from your results. NOT will narrow down a search.
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What is a Boolean? - Computer Hope
Learn what a boolean is in computer science, how it is used in programming, and what are the common boolean operators such as AND, OR, NOT, and XOR. See examples of boolean logic and algebra, and how to pronounce the word.
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Boolean Operators - Effective Literature Searching - Library at ...
Boolean operators are words that connect search terms together to broaden or narrow the results retrieved. The three Boolean operators are AND, OR, and NOT. AND narrows your search by limiting your results to items that contain both words connected with AND.
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LibGuides: Research Skills Tutorial: Boolean Operators
Boolean operators tell databases exactly how you want your search terms combined for the optimal results. There are only five Boolean operators and all library databases understand them. The chart below briefly describes their functions. What does it do?
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Library Guides: SPH511 Research Skills Guide: Boolean operators
Boolean operators, also known as search operators or combining operators, are the operators that determine how your search terms are combined in a search. The two main operators are AND and OR. Using the AND operator. Retrieving too many results can be a problem when searching databases.