Data processing: speech signal processing – linguistics – language – Linguistics – Natural language
Reexamination Certificate
2004-06-03
2008-10-28
Hudspeth, David R. (Department: 2626)
Data processing: speech signal processing, linguistics, language
Linguistics
Natural language
Reexamination Certificate
active
07444279
ABSTRACT:
A question answering system estimates an answer type of an answer from a input question statement, extracts keywords from the question statement and retrieves a document database, extracts language expressions (answer candidates) from the extracted document data, assigns evaluation points thereto. When there are a plurality of answer candidates having the same language expression, the system sorts those evaluation points in descending ranking order of evaluation, calculates values of evaluation points using such weighting that the value to be processed for each evaluation point diminishes, regards the sum total of those values as the evaluation point of the answer candidate, and outputs the answer candidate whose counted evaluation point is equal to or greater than a predetermined evaluation as an answer.
REFERENCES:
patent: 5384894 (1995-01-01), Vassiliadis et al.
patent: 5519608 (1996-05-01), Kupiec
patent: 7209876 (2007-04-01), Miller et al.
patent: 7269545 (2007-09-01), Agichtein et al.
patent: 2003/0163302 (2003-08-01), Yin
Dumais et al., “Web question answering: is more always better?”, Proceedings of the 25th annual international ACM SIGIR conference on Research and development in information retrieval, pp. 291-298, 2002.
Clarke et al., “Web reinforced question answering”, In Proceedings of the Tenth Text REtrieval Conference (TREC 2001).
Toru Takaki et al., “NTT Data Question-Answering Experiment at the NTCIR-3 QAC”, National Institute of Informatics, The NTCIR Workshop 3 Meeting, (3rdNTCIR workshop meeting), Oct. 2002, pp. 95-100.
Eisaku Maeda, “Question Answering Viewed from Pattern Recognition/Statistical Learning”, Natural Language Understanding and Methods of Communication, seminar material, Institute of Electronics, Information and Communication Engineers, Natural Language Understanding and Methods of Communication (NLC), Jan. 27, 2003, pp. 29-64.
Masaki Murata et al., “A Question-Answering System Using Unit Estimation and Probabilistic Near-Terms IR”, National Institute of Infiormatics, NTCIR Workshop 3 Meeting(3rdNTCIR workshop meeting), Oct. 8-10, 2002, pp. 47-54.
Albertalli Brian L
Hudspeth David R.
National Institute of Information and Communications Technology
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