Nec Corporation

Nec Solution Innovators, Ltd.

Chiho Igi

Takashi Onishi

Kai Ishikawa

A conversation-sentence generation device according to the invention of this application receives, as input information, a conversation sentence given from a user to an agent, first clue information based on which a physical and psychological state of the agent is estimated, and second clue information based on which a physical and psychological state of the user is estimated, stores the physical and psychological state of the agent as an agent state, stores the physical and psychological state of the user as a user state, estimates a new agent state based on the input information and the agent state, estimates a new user state based on the input information and the user state, generates, based on the input information, the agent state, and the user state, an utterance intention directed from the agent to the user, and generates and outputs, based on the input information, the agent state, the user state, and the utterance intention, a conversation sentence given from the agent to the user.

Conversation-sentence generation device, conversation-sentence generation method, and conversation-sentence generation program

A conversation-sentence generation device according to the invention of this application includes: an input unit that receives, as input information, a conversation sentence given from a user to an agent, and clue information based on which a physical and psychological state of the agent is estimated; an agent state storing unit that stores the physical and psychological state of the agent as an agent state; an agent state estimating unit that estimates a new agent state based on the input information and the agent state; an utterance intention generating unit that generates, based on the input information and the agent state, an utterance intention directed from the agent to the user; a conversation sentence generating unit that generates, based on the input information, the agent state, and the utterance intention, a conversation sentence given from the agent to the user; and an output unit that outputs the conversation sentence generated by the conversation sentence generating unit.

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Tokyo, Japan

Chiho Igi