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The instructions below can be used to construct
more efficient queries. If your searches are returning
a large number of results, you may wish to take advantage
of the search tips listed below.
Query Language
The text search engine allows queries
to be formed from arbitrary Boolean expressions containing
the keywords AND, OR, and NOT, and grouped with parentheses.
For example:
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information retrieval |
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finds documents containing
'information' or 'retrieval' |
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information
or retrieval |
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same as above |
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information
and retrieval |
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finds documents containing
both 'information' and 'retrieval' |
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information
not retrieval |
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finds documents
containing 'information' but not 'retrieval' |
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(information
not retrieval) and WAIS |
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finds documents
containing 'WAIS', plus 'information' but not 'retrieval'
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*web |
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finds documents
containing words starting with 'web' |
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