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Okazaki Lab
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The lab builds intelligent computers that can analyze, understand, and generate language.
AboutAbout the lab
Building computers that command language.
The Okazaki Lab researches natural language processing, that is, computers that can handle human language.
The lab explores the principles and methods for realizing intelligent communication on computers, such as translating text in foreign languages, holding a dialogue with a person, and answering questions.
Building on foundations in linguistics, statistics, and machine learning, the lab also incorporates cutting-edge methods such as deep learning and large language models.
The lab also applies its research results in the real world, for example in social observation through big data analysis.
Key terms
- Natural language processing
- The field of technology for making computers handle the language that people speak and write
- Large language model
- A system that reads and writes text by learning from large amounts of text and predicting what comes next after given words
- Multimodal processing
- Linking and handling together different types of information, such as language and images
NewsLab news
Paper accepted at a workshop co-located with ICML 2026, an international conference on machine learning
Paper accepted at ICDAR 2026, an international conference on document analysis
Paper accepted at ICML 2026, an international conference on machine learning
Lab information session held alongside the School of Computing graduate school information session
Paper accepted at ACL 2026, an international conference on computational linguistics
ResearchResearch themes
The lab aims to realize artificial intelligence, with research centered on natural language processing, that is, computers that can handle human language. Building on foundations in linguistics, statistics, and machine learning, it actively adopts cutting-edge approaches such as deep learning and large language models.
*Illustrative imageLarge Language Models
These are language models whose many parameters are estimated using large amounts of training data and computing resources. Together with the Yokota Lab at the Global Scientific Information and Computing Center and the National Institute of Advanced Industrial Science and Technology (AIST), the lab develops the large language model Swallow.
*Illustrative imageNatural Language Understanding
This research enables computers to analyze text and extract its semantic structure, knowledge, emotions, and opinions. The lab works on tasks such as named entity recognition, relation extraction, word sense disambiguation, and sentiment analysis.
*Illustrative imageNatural Language Generation
The lab studies the ability of computers to 'write' text. It works on machine translation, automatic summarization, grammatical error correction, and advertising text generation, aiming to appropriately control the length, style, and manner of communication of the generated text.
*Illustrative imageMultimodal Processing
Human intelligence is strongly shaped by having vision, hearing, and a body. The lab mainly works on machine translation and caption generation that link images and language, studying how language is connected to the physical world.
MembersFaculty
The Okazaki Lab's members consist of faculty, researchers, doctoral, master's, and undergraduate students, research students, and support staff.As of 2026
- ProfessorNaoaki OkazakiPublications ↗
- Project Associate ProfessorItsumi Saito
- Assistant ProfessorYoumi MaPublications ↗
- Project Assistant ProfessorDaisuke Oba
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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: “Birthdaytagcloud” User:Killiondude / Public domain (cropped)
- Large Language Models: “Oak Ridge - Kraken (Cray XT5)” Daderot / Public domain (cropped)
- Natural Language Understanding: “Onomasticum” Franciszek Meninski ( ) / Public domain (cropped)
- Natural Language Generation: “Type case with movable types for letterpress printing in the Gutenberg Museum, Mainz, Germany ( )” dronepicr / CC BY 2.0 (cropped)
- Multimodal Processing: “Tree with red apples in Barkedal 4” W.carter / CC0 (cropped)
- Related lab (荒瀬研究室): “Beijing printing museum.wooden movable types” Popolon / CC BY-SA 4.0 (cropped)
- Related lab (吉野研究室): “Close up view of a microphone set up in a recording studio” Shixart1985 / CC BY 2.0 (cropped)
- Related lab (佐久間研究室): “Old Town Hall Bank Museum, vault door ( )” Preservation Maryland / CC BY-SA 2.0 (cropped)
- Related lab (村田研究室): “Spider web Luc Viatour” Luc Viatour / CC BY-SA 3.0 (cropped)
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