I am a 3rd year PhD student under the supervision of Prof. Issei Sato in Sato laboratory, Department of Computer Science, The University of Tokyo. You can find my CV at here.

News

May 8, 2021 Our paper Classification with Rejection Based on Cost-sensitive Classification has been accepted to ICML 2021.
Dec 11, 2020 I won a foundational badge in IBM Quantum Challenge Fall 2020.
Oct 24, 2020 Our preprint ATRO: Adversarial Training with a Rejection Option has been uploaded.
Oct 23, 2020 Our preprint Classification with Rejection Based on Cost-sensitive Classification has been uploaded.
Sep 18, 2020 Our team won a bronze medal (103rd place of 1390 teams) at Kaggle Cornell Birdcall Identification Competition.
Sep 17, 2020 Our team won the Excellence Award at BIGDATA x AI Competition Stage 1.
Aug 21, 2020 I won second place in The University of Tokyo AI for Good Contest 2020.
Aug 4, 2020 Our preprint Active Classification with Uncertainty Comparison Queries has been uploaded.
Jul 9, 2020 Our paper Active Learning Using Discrepancy has been accepted to ICML 2020 Workshop on Real World Experiment Design and Active Learning.
Jul 1, 2020 I started my three-month research internship at Nablas.
May 20, 2020 I was awarded AIP Challenge Program for one million yen research budget.
Apr 29, 2020 I attended Cookpad Online Spring Internship.
Apr 21, 2020 I largely updated the site design.
Nov 10, 2019 Our paper Classification from Triplet Comparison Data has been accepted to Neural Computation.

Preprints

ATRO: Adversarial Training with a Rejection Option
Kato,M.,Cui, Z., & Fukuhara,Y.
[arXiv]
Active Classification with Uncertainty Comparison Queries
Cui, Z., & Sato,I.
[arXiv] [code]

Conference Papers

Classification with Rejection Based on Cost-sensitive Classification
Charoenphakdee,N.,Cui, Z.,Zhang,Y., & Sugiyama,M.
Proceedings of the Thirty-eighth International Conference on Machine Learning (ICML 2021), Jul. 18-Jul. 24, 2021.
[arXiv]
Bayesian Posterior Approximation via Greedy Particle Optimization
Futami,F.,Cui, Z.,Sato,I., & Sugiyama,M.
Proceedings of the Thirty-third AAAI Conference on Artificial Intelligence (AAAI 2019), Honolulu, Hawaii, USA, Jan. 27-Feb. 1, 2019.
[link] [arXiv]

Journal Papers

Classification from Triplet Comparison Data
Cui, Z.,Charoenphakdee,N.,Sato,I., & Sugiyama,M.
Neural Computation, Volume 32, Issue 3, p.659-681, March 2020.
[link] [arXiv] [code]
Stochastic Divergence Minimization for Biterm Topic Models
Cui, Z.,Sato,I., & Sugiyama,M.
IEICE TRANSACTIONS on Information and Systems, Volume E101.D, Issue 3, p.668-677, 2018.
[link] [arXiv]