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Higashinaka Lab
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The lab studies dialogue systems that enable conversation between computers and people.
AboutAbout the lab
Realizing a future of working together with dialogue systems
The Higashinaka Lab studies dialogue systems, which enable computers and people to communicate with each other through conversation.
By actually building dialogue systems, the lab investigates why humans are able to hold conversations and what the basic principles of dialogue are.
It also analyzes dialogue between humans, approaching the essence of dialogue from various perspectives.
Members conduct research as part of one of the project teams.
Key terms
- Dialogue system
- A computer system that interacts with humans using language.
- Task-oriented dialogue
- Dialogue carried out to achieve a specific goal, such as reception guidance or sales.
- Multimodal processing
- Processing that handles multiple types of information together, such as speech and images.
NewsLab news
A paper by a doctoral student was accepted at INTERSPEECH 2026
The lab received a Sponsor Award at the 32nd Annual Meeting of the Association for Natural Language Processing (NLP2026)
A lab paper was accepted at IJCNLP-AACL 2025
ResearchResearch themes
By actually building dialogue systems, the lab studies why humans are able to hold conversations and what the basic principles of dialogue are. Beyond building dialogue systems, it also analyzes dialogue between humans, approaching the essence of dialogue from various perspectives.
*Illustrative imageTask-Oriented Dialogue Systems
Even simple tasks such as reception guidance or sales are difficult to achieve with current dialogue systems. The lab is rethinking the system architecture from scratch, and aims to build systems that reliably accomplish their goals using android robots and multimodal processing.
*Illustrative imageCollaborative Dialogue Systems
The lab analyzes dialogue and collaborative work between humans, and builds models based on data. Using various kinds of collaborative work as subjects, it develops systems that can carry out collaborative work through dialogue.
*Illustrative imageAugmenting Human Dialogue Ability
Dialogue services are provided in all kinds of places, and the lab believes that augmenting human dialogue ability can dramatically widen the range of services a person can provide. It works on augmenting human dialogue ability through virtual avatars.
MembersFaculty
The lab's members consist of faculty, researchers, secretaries, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorRyuichiro Higashinaka
- Assistant ProfessorAo Guo
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: “Screen-tina” Ararat2 / CC BY-SA 4.0 (cropped)
- Task-Oriented Dialogue Systems: “Cognitive Service Robot Cosero” Sven Behnke / CC BY-SA 4.0 (cropped)
- Collaborative Dialogue Systems: “UNICEF DSC )” UNICEF Ukraine from Kyiv, Ukraine / CC BY 2.0 (cropped)
- Augmenting Human Dialogue Ability: “EmoHeart” Dzmitry Tsetserukou / CC BY-SA 3.0 (cropped)
- Related lab (Matsubara Lab): “Graz University-Library reading-room” Dr. Marcus Gossler / CC BY-SA 3.0 (cropped)
- Related lab (Katashi Lab): “Mixed Reality Research on Human–Machine Interaction at the University Lab” Kmranrg / CC BY 4.0 (cropped)
- Related lab (Enokibori Lab): “Wearable Technology Picture for Modules 8-10 ENGL 15 assignment” Peter H Charlton / CC BY 2.5 (cropped)
- Related lab (Fundamental Intelligent Informatics Visiting Faculty Lab (Ito & Tawara)): “Dobot Magician in Robotics Laboratory 02” Giacomo Alessandroni / CC BY-SA 4.0 (cropped)
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