Information retrieval system, method, and program

Details Information retrieval system, method, and program Information retrieval system, method, and program

2005-09-21

2010-10-19

Armstrong, Angela A (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

C704S009000, C704S251000, C704SE15045

Reexamination Certificate

active

07818173

ABSTRACT:
An information retrieval system, includes speech recognition means for making speech recognition for a spoken question to generate first text information, generation means for modifying the first text information to generate second text information as a interrogative to make a search for an answer to the question, and search means for searching the answer from a document database by using the second text information.

REFERENCES:
patent: 2001/0039493 (2001-11-01), Pustejovsky et al.
patent: 2004/0254917 (2004-12-01), Brill et al.
patent: 2005/0143999 (2005-06-01), Ichimura
patent: 10-240739 (1998-09-01), None
patent: 2000-276482 (2000-10-01), None
patent: 2002-63209 (2002-02-01), None
patent: 2003-85197 (2003-03-01), None
Notification of Reasons for Rejection, mailed on Sep. 16, 2008, from the Japanese Patent Office in Japanese Patent Application 2005-024360 and English translation thereof (10 pages).
Misu, et al., “Confirmation Strategy for Document Retrieval Systems with Spoken Dialog Interface”, ICSLP, Graduate School of Informatics, Kyoto University, pp. 1-4, (2004).
Akiba, et al., “Effects of Language Modeling on Speech-driven Question Answering”, ICSLP, pp. 1-4, arXiv:cs.CL/0407028 v1, (Jul. 10, 2004).

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