| 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: information retrieval
finds
documents containing 'information' or 'retrieval'
information
or retrieval
same as
above
information
and retrieval
finds
documents containing both 'information' and
'retrieval'
information
not retrieval
finds
documents containing 'information' but not
'retrieval'
(information
not retrieval) and WAIS
finds
documents containing 'WAIS', plus 'information'
but not 'retrieval'
web*
finds
documents containing words starting with 'web'
Back to Text Search
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