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Miyamoto Lab
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A lab exploring what makes a good relationship between people and conversational AI.
AboutAbout the lab
Exploring good relationships between people and conversational AI.
The Miyamoto Lab focuses on Human-Agent Interaction (HAI), which designs interaction between people and artificial systems (agents).
Using both theory and empirical studies, the lab investigates how conversational agents such as chatbots, voice dialogue robots, and virtual characters should speak in order to be trusted by people and to be comfortable to interact with.
This is an area where many fields intersect, including information engineering, cognitive science, social psychology, linguistics, and design.
The lab is jointly run with the Utsumi Lab, and for graduation research it accepts students as the Utsumi-Miyamoto Lab.
Key terms
- Human-Agent Interaction
- A research field that designs interaction between people and artificial systems (agents)
- Conversational agent
- A system that interacts with people through language, such as a chatbot or a voice dialogue robot
- Linguistic consideration
- Care in how one speaks and chooses words, adapted to one's relationship with the other person
NewsLab news
Assistant Professor Miyamoto's sole-author paper published in Computers in Human Behavior: Artificial Humans
Paper with Assistant Professor Miyamoto as first author accepted by the Transactions of Human Interface Society
Paper with Assistant Professor Miyamoto as first author published in Frontiers in Computer Science
Paper by a master's student accepted by the Japanese Journal of Cognitive Science
Assistant Professor Miyamoto receives the FSS Excellent Presentation Award
ResearchResearch themes
The lab seeks to clarify how people and conversational agents can build relationships through dialogue, and what kinds of relationships are appropriate. It also studies design principles for appropriate support by conversational agents, and the "mind" that people perceive in artifacts.
*Illustrative imageDialogue That Deepens Relationships Through Jokes and Compliments
This research examines how a dialogue system can use risky utterance strategies, such as jokes and compliments, to reduce psychological distance from users and deepen the relationship. To reduce users' anxiety, the lab has also examined non-agreeable dialogue strategies that include sharp-tongued remarks.
*Illustrative imageUtterances of Dialogue Robots That Assist Driving
This research designs the utterances of a dialogue robot that assists car driving when it gives instructions to the user. The lab has examined how factors such as the sentence-ending style of utterances and the social distance that utterances express affect how readily users accept them.
*Illustrative imageCross-Cultural Comparison of the Acceptability of Dialogue Strategies
This is a survey comparing how the dialogue strategies used by dialogue systems are accepted across cultures. One such survey compared Japan and the United States on the acceptability of interactive anthropomorphic agents.
*Illustrative imageLinguistic Consideration in Smart Speakers
This research designs the utterances a smart speaker uses to report errors, from the viewpoint of linguistic consideration. The lab has examined how politeness in utterances that ask users to repeat their voice input affects trust.
MembersFaculty
The members of the Miyamoto Lab consist of faculty and master's students (undergraduate students are listed on the Utsumi Lab page).As of 2026
- Assistant ProfessorTomoki Miyamoto
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “ELIZA conversation” 作者不詳 / Public domain (cropped)
- Dialogue That Deepens Relationships Through Jokes and Compliments: “The Talking Furhat Robot” Guojing92 / CC0 (cropped)
- Utterances of Dialogue Robots That Assist Driving: “Driving car on a road” Tenasan / CC BY-SA 4.0 (cropped)
- Cross-Cultural Comparison of the Acceptability of Dialogue Strategies: “15148-event-VisComm Cross Cultural Exhibition- )” Texas A&M University-Commerce Marketing Communications Photography / CC BY 2.0 (cropped)
- Linguistic Consideration in Smart Speakers: “Harman Kardon Invoke Speaker - aerial” Jdubman / CC BY-SA 4.0 (cropped)
- Related lab (赤池 英夫 研究室): “CSIRO ScienceImage 7664 The wearable bodymapping sleeve” Nick Pitsas, CSIRO / CC BY 3.0 (cropped)
- Related lab (伊藤 毅志 研究室): “Kyoto Shogi-initial position” Surligne / CC BY-SA 4.0 (cropped)
- Related lab (柴田 淳司 研究室): “Robots and Kids” Draganzivancevic / CC BY-SA 4.0 (cropped)
- Related lab (松野 省吾 研究室): “Crowd of people with phones” Rawpixel Ltd / CC BY 2.0 (cropped)
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