Information retrieval engine
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United States of America Patent
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Jan 9, 2007
Issued Date -
N/A
app pub date -
Jun 11, 2002
filing date -
May 3, 2000
priority date (Note) -
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Abstract
A system, method, and computer program product retrieve information associated with the signals. The information retrieval can be performed on a signal by quantizing the signal, forming words, and indexing based on weights of the words. The words are formed by grouping letters together to form a number of words within predetermined threshold values. The weights of the words are determined using a binomial log likelihood ratio analysis. The present invention may be applied to identification of an unknown song.
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