BUSINESS DETERMINATION DEVICE, BUSINESS DETERMINATION METHOD, AND PROGRAM

To determine whether or not an utterance in a conversation is a business utterance while suppressing increase in cost.SOLUTION: A business determination device 10 according to the present invention includes a determination unit 11 that detects a business confirmation utterance which is an utterance for confirming business on an utterance basis among utterances in a conversation, and determines that an utterance made by a speaker other than a speaker of the detected business confirmation utterance and at least immediately before the business confirmation utterance is a pre-business utterance.SELECTED DRAWING: Figure 1 【課題】コストの増加を抑制しつつ、対話における発話が用件発話であるか否かを判定する。【解決手段】本発明に係る用件判定装置１０は、対話における発話のなかから、発話単位に用件を確認するための発話である用件確認発話であるかを検出し、検出した用件確認発話の話者とは別の話者による発話であって、少なくとも用件確認発話の直前の発話を前用件発話であると判定する判定部１１を備える。【選択図】図１