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Computing (FOLDOC) dictionary
inverted index
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database, information science A sequence of (key, pointer)
pairs where each pointer points to a record in a database
which contains the key value in some particular field. The
index is sorted on the key values to allow rapid searching for
a particular key value, using e.g. binary search. The index
is "inverted" in the sense that the key value is used to find
the record rather than the other way round. For databases in
which the records may be searched based on more than one
field, multiple indices may be created that are sorted on
those keys.