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Koji Inoue

3 papers indexed

arxivcs.CLcs.AIcs.HC2026-07-17

On the Structure of Address in Multi-Party Dialogue: From Discrete Labels to Continuous Levels

Taiga Mori, Koji Inoue, Divesh Lala, Tatsuya Kawahara

In multi-party dialogues between a dialogue system and multiple users, identifying to whom an utterance is addressed is a key challenge. Prior work has typically treated addressee detection as a multi-class classification task, selecting a single label representing an individual…

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arxivcs.HCcs.AIcs.CL2026-07-16

Memory-Driven Self-Disclosure and Relational Turning Points: A Longitudinal Multimodal Study of Human-AI Interaction

Ryuichi Sumida, Mao Saeki, Masaki Eguchi, Sadahiro Yoshikawa, Koji Inoue, Tatsuya Kawahara, et al.

As conversational AI systems are designed for repeated use, a central question is how a series of interactions becomes a relationship. We present a longitudinal multimodal study of a memory-augmented conversational agent (24 participants x 10 sessions), in which participants rate…

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arxivcs.HCcs.SD2026-07-14

Real-time Generation of Listener Nodding via Prediction of Kinematic Parameters for Avatar Dialogue Systems

Kazushi Kato, Koji Inoue, Taiga Mori, Divesh Lala, Tatsuya Kawahara

In human dialogue, we achieve smooth communication by expressing nonverbal cues such as eye contact, nodding, and facial expressions with precise timing. It is expected for conversational avatars to express these cues appropriately to realize natural and human-like interactions.…

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