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OPERATOR
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USE TO . . .
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EXAMPLE
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RESULTS
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Boolean
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AND
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require that both terms are present somewhere in the document
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zen AND motorcycles
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will find all documents containing the words "zen" and "motorcycles"
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AND NOT
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exclude the term from the query
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zen AND NOT internet
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returns all documents with the word "zen" excluding those with the word "internet"
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OR
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require that at least one term is present
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turtle OR tortoise
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returns all documents with either "turtle" or "tortoise"
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NEAR
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require that one term is found within a certain proximity of the other
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ethics NEAR responsibility
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returns all documents with "ethics" in close proximity to "responsibility"
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Composite boolean
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boolean operators and ( )
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broaden or narrow keyword search
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(zen AND motorcycles) AND NOT internet
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returns documents containing "zen" and "motorcycles" but not "internet"
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Truncation
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*
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finds words beginning with the given stem
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star*
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returns documents with starts, stardom, starvation, startle, etc.
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+REQUIRE
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+
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similar to boolean AND, requires the term
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+zen +motorcycles
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returns documents containing the words "zen" and motorcycles" somewhere in the text
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-EXCLUDE
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-
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similar to boolean NOT, excludes the term
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+zen -internet
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returns documents not containing this term
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Phrase
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" "
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marks a phrase
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"cat in the hat"
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returns documents containing this phrase
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Case Sensitivity
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upper and lower case letters
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Adjacent capitalized words are treated as a single proper name
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Blade Runner
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returns documents containing info on the movie rather than on the separate words "Blade" and "Runner"
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Example
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option next to an example
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narrow a search to one like the example
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