| 摘要 |
PROBLEM TO BE SOLVED: To provide a question and answer device capable of properly grasping the content of a question, even if incomplete, and outputting an answer thereto. SOLUTION: The question and answer device 1 comprises a question specifying means 11 specifying a kind of question as conception information based on a concept dictionary DBc; an article retrieval means 12 retrieving, based on an article appearance frequency DBb, a relevant article related the question from an article DBa, using a word contained in the question as a retrieval word; and an inference means 13 inferring, based on concept information of words contained in the relevant article and the kind of question, a word which will be the answer from the relevant article as answer information. COPYRIGHT: (C)2006,JPO&NCIPI
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