METHOD AND SYSTEM FOR EFFICIENT SPOKEN TERM DETECTION USING CONFUSION NETWORKS

Patent №

US 9,734,823

Granted

2017-08-15

Filed 2015

Owner

INTERNATIONAL BUSINESS MACHINES CORPORATION

Lab

AI components

4

ml · nlp · speech · kr

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

14837876

Systems and methods for spoken term detection are provided. A method for spoken term detection, comprises receiving phone level out-of-vocabulary (OOV) keyword queries, converting the phone level OOV keyword queries to words, generating a confusion network (CN) based keyword searching (KWS) index, and using the CN based KWS index for both in-vocabulary (IV) keyword queries and the OOV keyword queries.

Machine learning Natural language Speech Knowledge representationG10L 15/083G10L 15/02G10L 13/08G10L 2015/025G10L 2015/085

AI classification

Natural language1.00

Speech1.00

Machine learning1.00

Knowledge representation1.00

AI hardware0.40

Evolutionary computation0.00

Planning0.00

Vision0.00

Ownership

INTERNATIONAL BUSINESS MACHINES CORPORATION

assignment · 364410858

Assignors

KINGSBURY, BRIAN E.D., KUO, HONG-KWANG, MANGU, LIDIA, SOLTAU, HAGEN

On an employer assignment, the assignors are typically the inventors.

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