Takashi Oya / 大矢隆
Data Scientist / AI Research Engineer at DeNA Inc.
Kaggle Grandmaster
Embedded Files
News
News
Mar. 2022 My lead-authored full paper was accepted at ICPR 2022.
May. 2021 I participated in the Kaggle Competition 'Indoor Location & Navigation' as the leader of a 5-person team and won second place.
Jan. 2021 I won second place in the Kaggle Competition 'Riiid Answer Correctness Prediction' as a solo participant, earning a prize of $30,000.
Sep. 2020 My lead-authored full paper was accepted at ACCV 2020.
Education
Education
Apr. 2013 - Mar. 2016 Waseda University Junior and Senior High School.
Apr. 2016 - Mar. 2020 Department of Applied Physics, Waseda University.
Apr. 2020 - Mar. 2022 Graduate School of Advanced Science and Engineering, Waseda University.
Work Experience
Work Experience
Feb. 2017 - Nov. 2017 Part-time job, ALBERT Inc.
Jun. 2018 - Sep. 2018 Part-time job, DeNA Inc.
Aug. 2020 - Aug. 2020 Part-time job, DeNA Inc.
Apr. 2022 - Present, DeNA Inc.
Honor & Awards
Honor & Awards
Kaggle: 2nd place at Riiid Answer Correctness Prediction (2nd / 3395 teams), $30,000 Prize
Takashi Oya
Kaggle: 2nd place at Indoor Location & Navigation (2nd / 1170 teams), $3000 Prize
Takashi Oya, Youri Matiounine, Reza Vaghefi, Christoffer Kjellson, Ryuji Sakata
[solution link 1] [solution link 2] [solution link 3] [solution link 4] [solution link 5]
Kaggle: 3rd place at PLAsTiCC Astronomical Classification (3rd / 1089 teams), $5,000 Prize
Takashi Oya, Yuval Reina, Nomi Taiga
[solution link 1] [solution link 2] [solution link 3] [paper link]
Kaggle: 5th place at TalkingData AdTracking Fraud Detection Challenge (5th / 3943 teams)
Takashi Oya, Shota Okubo, Michael Jahrer, Danijel Kivaranovic
Kaggle: 9th place at Santander Customer Transaction Prediction (9th / 8751 teams)
Naoya Taguchi, nagiss, Vicens Gaitan, Graseck, Takashi Oya
Publications (International Conference)
Publications (International Conference)
Do We Need Sound for Sound Source Localization?
Takashi Oya*, Shohei Iwase*, Ryota Natsume, Takahiro Itazuri, Shugo Yamaguchi, Shigeo Morishima
Asian Conference on Computer Vision (ACCV) 2020, Acceptance Rate: 33.3% [ link ]
The Sound of Bounding-Boxes
Takashi Oya*, Shohei Iwase*, Shigeo Morishima
International Conference on Pattern Recognition (ICPR) 2022 [ link ]
LSTM-SAKT: LSTM-Encoded SAKT-like Transformer for Knowledge Tracing
Takashi Oya, Shigeo Morishima
Association for the Advancement of Artificial Intelligence (AAAI) Workshop 2021 [ link ]
Publications (Journal)
Publications (Journal)
Results of the photometric lsst astronomical time-series classification challenge (plasticc)
R Hložek et al.,
The Astrophysical Journal Supplement Series 267 (2), 25, 2023. [ link ]
Other Projects
Other Projects
SIGNATE: 1st place at House Mover Forecasting (1st / 496 participants), ¥30,0000 Prize
SIGNATE: 6th place at Fashion Object Color Detection (6th / 572 participants), ¥10,0000 Prize
Presentation in Kaggle Tokyo Meetup #3 [presentation link]
SIGNATE: 17th place at Hedge Fund X: Financial Modelling Challenge (17th / 709 participants)
Pilot Study on Automatic Diagnosis of Skin Diseases in Veterinary Medicine
Skills
Skills
Programming Language
Python, SQL, C++, R
Libraries/Platforms
Pandas, Numpy, Pytorch, Docker, etc.
Environments
Linux, MacOS, Windows
OSS Contribution
Contributed to mlxtend, e.g. Refactor StackingCVRegressor
Teaching Experience
Teaching Experience
Teaching Assistant in Circuit Theory in the Fall semester of 2020.
Teaching Assistant for Digital Signal Processing in the Fall semester of 2020.
Hobby
Hobby
Go (aka. Baduk, Weiqi ): 8-dan at Fox Go Server.
Contact
Contact
E-Mail：takashioya24[at]gmail.com
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