The Boolean Operators
-- AND, OR, and NOT -- may only be used with Basic Search
- Command Keyword and Guided Keyword. |
Boolean Searching
Use Boolean operators and nesting to search for combinations of words or phrases.
Enter Boolean operators (i.e., AND, OR, NOT) in either uppercase
or lowercase.
Note: Boolean operators and nesting may not
be used in Basic Search types: Author/Creator, Title, Subject, LCCN-ISBN-ISSN,
Call Number or Keyword.
Concept |
Search Examples |
Retrieval Formula |
AND |
rodgers AND hammerstein
children AND
poverty "civil war" AND virginia |
Retrieves only
records containing both terms. |
OR |
sixties OR 60s OR 1960s
labor OR
labour email OR e-mail OR "electronic mail" |
Retrieves records
containing either one or more terms. |
NOT |
caribbean NOT cuba
jockey NOT disc "civil
war" NOT american |
Excludes records
containing the second term. |
NESTING |
fruit AND (banana OR apple)
(women OR woman) AND basketball
((color OR colour) AND (decorate OR decoration))
NOT (art OR architecture)
|
Use parentheses (
) to group portions of boolean queries for more complex
searches.
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