Acquisition method, generation method, system therefor and program for enabling a dialog between a computer and a human using natural language

Abstract

An acquisition method is a method performed by an acquisition system in order to acquire a speech set in which three speeches are associated with one another used to generate a second speech made by a dialog system, based on a speech set in which three speeches are associated with one another, in response to a speech made by a human in response to a first speech made by the dialog system. A storage part of the acquisition system stores a plurality of speech sets in which two speeches are associated with each other and the acquisition method includes a presentation step of presenting in order, a speech t() and a speech t() which are two consecutive speeches included in a certain speech set stored in the storage part of the acquisition system, a speech receiving step of receiving input of a third speech t() which is a human speech after presenting the speech t() and a storing step of storing the speech t(), the speech t(), and the speech t() associated with one another as a speech set in which three speeches are associated with one another in the storage part of the acquisition system.