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Information retrieval system utilizing wavelet transform

United States Patent

May 30, 2000
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
A method for automatically partitioning an unstructured electronically formatted natural language document into its sub-topic structure. Specifically, the document is converted to an electronic signal and a wavelet transform is then performed on the signal. The resultant signal may then be used to graphically display and interact with the sub-topic structure of the document.
Brewster; Mary E. (Kennewick, WA), Miller; Nancy E. (Kennewick, WA)
Battelle Memorial Institute (Richland, WA)
08/ 897,957
July 21, 1997
This invention was made with Government support under Contract DE-AC06-76RL0 1830 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.