Welcome to ようこそ fumiyauchiyama.github.io
これはテストの投稿です。I used this post to inspect markdown features on the framework. times-uchiyama
Ph.D. student at Sugiyama Lab, National Institute of Informatics (NII) / SOKENDAI
CAREER
- 2026.10 - Present : Special Research Assistant at National Institute of Informatics (NII)
- 2026.3 - 2026.8 : Research Intern at Third Intelligence (Freelance)
- 2024.1 - 2026.5 : Research Intern at Matsuo-Iwasawa Lab (UTokyo)
- 2023.9 - 2023.12 : ML Engineer/Annotator at LLM-X project, Matsuo Lab (UTokyo)
- 2023.5 - 2024.12 : Student Research Assistant at Deep Learning Theory Team, RIKEN AIP
- 2022.9 - 2023.8 : Software Engineer Intern at Corpy & Co.
PUBLICATIONS
- Fumiya Uchiyama, Rintaro Yanagi, Shohei Taniguchi, Shota Takashiro, Masahiro Suzuki, Hirokatsu Kataoka, Yusuke Iwasawa, Yutaka Matsuo. CLIP-like Model as a Foundational Density Ratio Estimator. CVPR 2026 [CVF Open Access] [arXiv]
- Yohei Kobashi, Fumiya Uchiyama, Takeshi Kojima, Andrew Gambardella, Qi Cao, Yusuke Iwasawa, Yutaka Matsuo. Crypto-LLM: Two-Stage Language Model Pre-training with Ciphered and Natural Language Data. IJCNLP-AACL 2025, oral presentation
- Fumiya Uchiyama, Takeshi Kojima, Andrew Gambardella, Qi Cao, Yusuke Iwasawa, Yutaka Matsuo. Which Programming Language and What Features at Pre-training Stage Affect Downstream Logical Inference Performance? EMNLP2024 Main, poster [ACL Anthology]
- 内山史也, 荒瀬由紀, 鳴海紘也, 河原林健一, ツイートとリプライからなる木構造を用いた炎上度判定 (Flaming Tweet Detection based on Sentiments and Structures of Tweet-Reply Tree). 情報処理学会第83回全国大会 (IPSJ2021), 5P-06, Mar. 2021. (Got Student Encouragement Award) [CiNii]
MEMBERSHIP
- 2023.4 - : Engineer at AutoRes, Matsuo-Iwasawa Lab.
- 2022.9 - : Research Member at cvpaper.challenge, AIST
- 2021.8 - : Yugen Member at NPO Suuri-no-Tsubasa (数理の翼)
- 2020.4 - 2021.3 : JST Global Science Campus “Experts in Information Science (情報科学の達人)”, Sponsored by the National Institute of Informatics (Got best award)
EVENT
- 2023.8 : Crypto-course(L2) participant at SecCamp2023, IPA.
- 2022.8 : Special Session by National Institute of Informatics, WCCE 2022
- 2021.8 : The 41st Suuri-no-Tsubasa(数理の翼) seminar
- 2017 : ICT Challenge+R 2017 (U18 Presentation Awards, U18 LIFULL Awards, U18 FANCOMI Awards, U18 SoftCube Awards)
- 2017 : Teens Apps Awards (アプリ甲子園) 2017 (3rd Grand Prize, Dentsu Isobar Award)
EDUCATION
- 2026.10 - Present : Ph.D. Student (5-year doctoral program), Sugiyama Lab, SOKENDAI / National Institute of Informatics (NII)
- 2024.4 - 2026.3 : Undergraduate Student, Matsuo-Iwasawa Laboratory, Department of Systems Innovation, Faculty of Engineering, The University of Tokyo
- 2022.4 - 2024.3 : Undergraduate Student (Natural Sciences I, College of Arts and Sciences), The University of Tokyo
SKILL
- Python
- PyTorch
- OCaml
- C++ [WIP]
- CUDA [Pending]