Message judgment device, message judgment method and program

摘要

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