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Sakai Lab
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A lab that supports the connection between people and information through search, natural language processing, and more.
AboutAbout the lab
Connecting people and information through search and language technology
The Sakai Lab mainly studies information retrieval and information access, as well as natural language processing.
The lab also works on how search engines operate and on the interaction between people and computers.
The lab also places importance on the perspective of social good, applying research results to benefit society.
Key terms
- Information retrieval
- Finding the information one wants within a large amount of data
- Natural language processing
- Technology that has computers process the language humans use
- Interaction
- The way people and computers relate to each other when exchanging information
NewsLab news
A master's student received the Best Presentation Award at ICMIP 2026
Prof. Sakai received the Keith van Rijsbergen Award at ECIR
A student received the DEIM 2026 Student Presentation Award
An undergraduate student received the Best Full Research Paper Award at WSDM 2026
Prof. Sakai received the outstanding reviewer award at ACM SIGIR-AP 2025
ResearchResearch themes
The Sakai Lab mainly studies information retrieval and information access, natural language processing, and interaction. The lab also places importance on the perspective of "social good," research that benefits society.
*Illustrative imageInformation Retrieval and Information Access
The lab studies information retrieval and information access, which are about finding the information people want in large amounts of data, as in search engines.
*Illustrative imageNatural Language Processing
The lab studies natural language processing, which is about having computers process the language humans use.
*Illustrative imageInteraction
The lab studies how people and computers relate to each other, from the perspective of interaction.
*Illustrative imageSocial Good
The lab also conducts research from the perspective of social good, applying research results to benefit society.
MembersFaculty
The members of the Sakai Lab consist of faculty, visiting researchers, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorTetsuya Sakai
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
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On a 4-point scale, ● marks where students' answers fall
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RelatedLabs similar to Sakai Lab
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Tanaka-Ishii LabSchool of Fundamental Science and Engineering, Department of Computer Science and EngineeringLanguage as a complex system, machine learning for natural l…
Terauchi LabSchool of Fundamental Science and Engineering, Department of Computer Science and EngineeringProgramming languages, formal verification, program synthesi…
Ishikawa LabSchool of Fundamental Science and Engineering, Department of Computer Science and EngineeringComputer vision, artificial intelligence, optimizationThe information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
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: “Datacenter Server Racks ( )” Carl Lender / CC BY 2.0 (cropped)
- Information Retrieval and Information Access: “Card Catalog 2” flickr: mamsy / CC BY 2.0 (cropped)
- Natural Language Processing: “Clickety Clackety - in Explore - Flickr - Thad Zajdowicz” Thad Zajdowicz / CC BY 2.0 (cropped)
- Interaction: “Touch on Clamshell Devices” Intel Free Press / CC BY 2.0 (cropped)
- Social Good: “Yoorala Street Community Garden, plots 3” Aliceinthealice / CC BY 4.0 (cropped)
- Related lab (Nakajima Lab): “Augmented Reality Headset 02” C.Suthorn / CC BY-SA 4.0 (cropped)
- Related lab (Tanaka-Ishii Lab): “Fractal Broccoli” Jon Sullivan / Public domain (cropped)
- Related lab (Terauchi Lab): “Formulas on an old blackboard (Unsplash)” Roman Mager roman_lazygeek / CC0 (cropped)
- Related lab (Ishikawa Lab): “Banana Plant Flask by Max Gruber” Max Gruber / CC BY 4.0 (cropped)
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