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Yoshino Lab
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The lab studies dialogue systems that talk with people, covering everything from understanding spoken language to generating responses.

AboutAbout the lab
Uncovering human intelligence through research on robots and dialogue.
The Yoshino Lab studies spoken dialogue systems that talk and interact with people.
The lab covers technologies for understanding spoken language, for deciding how a dialogue proceeds, and for generating response sentences, all as one system.
It also works on applications such as dialogue systems that guide users to the information they want and dialogue systems that support the daily lives of older adults.
Dialogue with robots is also a subject of study, and Project Professor Yoshino leads a team in RIKEN's Guardian Robot Project.
Key terms
- Spoken dialogue system
- A system that listens to a person's spoken words, understands their content, and responds by voice or text
- Dialogue management
- A mechanism that decides, over the course of a conversation, what to say or ask next
- Reinforcement learning
- A learning method that gradually improves how to act by using feedback on whether an action worked well
NewsLab news
View More ↗ResearchResearch themes
The lab studies spoken language processing and natural language processing, especially spoken dialogue systems and dialogue systems for interacting with robots. It handles systems that talk and interact with people from end to end, from understanding language to managing the dialogue and generating responses.
*Illustrative imageDialogue Systems
The lab builds the systems that talk and interact with people. It works on dialogue systems that guide users to the information they want and dialogue systems that support the daily lives of older adults.
*Illustrative imageSpoken Language Understanding
The lab works on enabling computers to receive the meaning of spoken words. It deals with how to represent knowledge and how to analyze the structure and meaning of sentences.
*Illustrative imageDialogue Management
The lab studies mechanisms for deciding what to say next in a conversation. It works on statistical dialogue management and on methods that use reinforcement learning algorithms.
*Illustrative imageLanguage Generation
The lab studies technologies for producing the sentences a system says in reply. It deals with methods for generating sentences under given conditions and with generation within interactions between people and computers.
MembersFaculty
- Program-Specific ProfessorKoichiro Yoshino
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: “Close up view of a microphone set up in a recording studio” Shixart1985 / CC BY 2.0 (cropped)
- Dialogue Systems: “Amazon Echo Dot (virtual digital assistant) with normal coffee mug as size comparison” Pittigrilli / CC BY-SA 4.0 (cropped)
- Spoken Language Understanding: “Neumann U87 Condenser Microphone - Studio A, In Your Ear Studios” Will Fisher from Richmond, VA, United States / CC BY-SA 2.0 (cropped)
- Dialogue Management: “People having conversation in happy mood” Amirhayat012 / CC BY-SA 4.0 (cropped)
- Language Generation: “Backlit keyboard” Colin / CC BY-SA 4.0 (cropped)
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