Method for optimizing entries for searching an index
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United States of America Patent
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Dec 22, 1998
Issued Date -
N/A
app pub date -
Aug 9, 1996
filing date -
Aug 9, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A computerized method optimizes an index of information stored as records of a database in response to queries made to the index. The index is generated by storing index entries in a memory. Each index entry includes a word entry immediately followed by one or more location entries. The word entry encodes a unique portion of information of the records, and the location entries encode occurrences of the unique portion of information in the records. A query phrase is processed, the phrase corresponds to a concatenation of adjacent portions of indexed information. A measure of the amount of time required to process the phrase is recorded in a journal. Periodically, the journal is processed and new index entries are generated for the phrases if the processing of the phrase exceeds some predetermined threshold time.
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