Data processing: artificial intelligence – Miscellaneous
Reexamination Certificate
2005-09-22
2008-12-02
Holmes, Michael B (Department: 2129)
Data processing: artificial intelligence
Miscellaneous
Reexamination Certificate
active
07461047
ABSTRACT:
A question answering system includes a similar-question generation unit, a first search unit, a second search unit, and an answer selection unit. The similar-question generation unit selects a feature word from an input question to generate a transformational question in which the feature word is replaced with another word. The first search unit executes a first search process based on the transformational question. The second search unit selects a word included in a first search result acquired as an extension word and executes a second search process with using the selected extension word. The answer selection unit analyzes a correspondence relation among extension words included in a second search result, determines the feature word and a constructive part of an answer equivalent word in the second search result based on an analysis result, and selects a word determined to be an answer.
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Masuichi Hiroshi
Ohkuma Tomoko
Sugihara Daigo
Yoshimura Hiroki
Fuji 'Xerox Co., Ltd.
Holmes Michael B
Oliff & Berridg,e PLC
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