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What are Boolean Operators?

What are Boolean Operators?. Ms. Reishus Spring 2010. What are Boolean Operators? . The most common Boolean operators are AND, OR, NOT They are used to combine search terms when doing research. And. Would everybody wearing Jeans, please stand up? # _____

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What are Boolean Operators?

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  1. What are Boolean Operators? Ms. Reishus Spring 2010

  2. What are Boolean Operators? • The most common Boolean operators are AND, OR, NOT • They are used to combine search terms when doing research

  3. And • Would everybody wearing Jeans, please stand up? # _____ • Would everybody wearing Sneakers please stand up? # _____ • Would everybody wearing jeans and sneakers please stand up? # _____

  4. Venn Diagram of AND Jeans Sneakers

  5. AND Explained • Using the operator AND between keywords will limit the results of a search because all the keywords have to be present in order for an item to be retrieved.

  6. OR • Would everybody wearing jeans please stand up #______ • Would everybody wearing sneakers please stand up #______ • Would everybody wearing jeans OR sneakers please stand up #______

  7. Venn Diagram of OR Jeans Sneakers

  8. OR Explained • Using the OR operator results in either or both of your search terms appearing in your results. • Using the OR operator will result in a larger number of retrieved items and therefore expands the search.

  9. NOT • The NOT operator forbids the word after it from appearing in the items resulting from your search. • Would everybody wearing Jeans but NOT sneakers, please stand up?

  10. Venn Diagram for NOT Jeans Sneakers

  11. NOT Explained • Not helps to limit your search because it takes out a category of undesirable results. • NOT or AND NOT thus narrows or limits a search by excluding the keyword immediately following it.

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