Information retrieval system utilizing wavelet transform

Details Information retrieval system utilizing wavelet transform Information retrieval system utilizing wavelet transform

1997-07-21

2000-05-30

Chang, Vivian

Data processing: speech signal processing, linguistics, language

Linguistics

Natural language

G06F 1730

Patent

active

060701331

ABSTRACT:
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.

REFERENCES:
patent: 5604824 (1997-02-01), Chui et al.
patent: 5748796 (1998-05-01), Zandi et al.
patent: 5841473 (1998-11-01), Chui et al.
patent: 5987459 (1999-11-01), Swanson et al.

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