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Natural Language Processing Lab
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The lab studies natural language processing, artificial intelligence, and communication science.
AboutAbout the lab
Exploring human and machine thinking
The Natural Language Processing Lab (Sakaguchi-Inui Lab) studies natural language processing, artificial intelligence, and communication science.
The Tohoku NLP Group, to which the lab belongs, holds the motto "Explore Human & Machine Thinking."
Recently, a paper exploring how figures are represented in large vision-language models was accepted to the international conference EMNLP 2026.
The same group also includes the Suzuki Lab, the Matsubayashi Lab, and the Saito Lab, all of which are listed together on the members page.
Key terms
- Natural language processing
- Technology for handling the language people use in daily life, such as Japanese and English, with computers.
- Artificial intelligence
- Technology that aims to realize human intellectual functions on computers.
- Vision-language model
- A type of language model that can handle both images and text.
NewsLab news
Paper by Prof. Inui, Prof. Sakaguchi, and others accepted to EMNLP 2026
Paper by Prof. Inui and others accepted to the EMNLP 2026 System Demonstration Track
A PhD student received the Encouragement Award at the 21st YANS Symposium
A PhD student received the Best Presentation Award at the 35th Doctoral Student Presentation Meeting
Paper by Prof. Sakaguchi accepted to IROS 2026
ResearchResearch themes
Natural language processing, artificial intelligence, and communication science are the lab's research areas. The lab studies mechanisms that allow computers to process with high accuracy the complex dynamics of language, such as subtle nuances, implied meanings, and new terms.
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MembersFaculty
The members of the Sakaguchi-Inui Lab are faculty, academic researchers, students in the doctoral, master's, and undergraduate programs, and technical staff and assistants.As of 2026
- ProfessorKentaro Inui
- ProfessorKeisuke Sakaguchi
- Project Assistant ProfessorYunmeng Li
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: “Micro data center (DX edge ZellaPro25)” Muromurot / CC0 (cropped)
- Fundamental Technologies for Processing Language: “VS Code Screenshot” Cycling2 / CC0 (cropped)
- Related lab (Image Analysis Lab): “Optical Sensor” QueSera4710 / CC BY-SA 3.0 (cropped)
- Related lab (Sound Information Science Lab): “Anechoic chamber-1” Togabi / CC BY-SA 4.0 (cropped)
- Related lab (Intelligent Systems Science Lab): “Data center roof” Rsparks3 / CC0 (cropped)
- Related lab (Software Construction Lab): “SoftwareRepresentations” ScriboMollisOpus / CC0 (cropped)
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