Efficient implementations of constructs such as feature tables
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United States of America Patent
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Feb 20, 2001
Grant Date -
N/A
app pub date -
Oct 10, 1998
filing date -
Oct 10, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A methodology for producing efficient implementations of constructs such as feature tables is disclosed. The method of superimposed coding and the method of inverted list tables are combined. Although they both accomplish similar things, each method has advantages over the other under particular circumstances. The method of superimposed coding is used where feature table rows are 'dense' or contain many records of interest, while the method of inverted list tables is used where feature table rows are 'sparse' or contain few records of interest. The combination of the two methods results in a synergistic method that loses no accuracy and is generally faster in operation than what could be achieved by the application of either method alone.
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