To provide a domain verifying device capable of detecting input other than a domain in such a case, and a training device therefor.
The training device includes in-domain data 20 which are classified into a plurality of topics 70-1 to 70-M, SVMs (support vector machine) 74-1 to 74-M to each of which one topic is allocated and which decide whether input data to belong to their topics, a 1st training section 50 which trains the SVMs 74-1 to 74-M by using the in-domain data as training data, the domain verifier 56 which verifies whether the input data belong to a specified domain, and a 2nd training section 54 which use the SVMs 74-1 to 74-M having been trained and the in-domain data 20 to train the domain verifier 56 so that the domain verifier 56 can decide whether the input data belongs to the domain.
KAWAHARA TATSUYA
MATSUI TOMOKO
NAKAMURA SATORU
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