Tomoya Sakai
Tomoya Sakai
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Semi-supervised classification based on classification from positive and unlabeled data
T Sakai, MC du Plessis, G Niu, M Sugiyama
Proceedings of the 34th International Conference on Machine Learning, 2998-3006, 2017
Theoretical comparisons of positive-unlabeled learning against positive-negative learning
G Niu, MC du Plessis, T Sakai, Y Ma, M Sugiyama
Advances in Neural Information Processing Systems 29, 1199-1207, 2016
Semi-supervised AUC optimization based on positive-unlabeled learning
T Sakai, G Niu, M Sugiyama
Machine Learning 107 (4), 767-794, 2018
Do we need zero training loss after achieving zero training error?
T Ishida, I Yamane, T Sakai, G Niu, M Sugiyama
Proceedings of the Thirty-seventh International Conference on Machine …, 2020
Computationally efficient estimation of squared-loss mutual information with multiplicative kernel models
T Sakai, M Sugiyama
IEICE TRANSACTIONS on Information and Systems 97 (4), 968-971, 2014
Convex formulation of multiple instance learning from positive and unlabeled bags
H Bao, T Sakai, I Sato, M Sugiyama
Neural Networks 105, 132-141, 2018
Covariate shift adaptation on learning from positive and unlabeled data
T Sakai, N Shimizu
Proceedings of the AAAI Conference on Artificial Intelligence 33 (01), 4838-4845, 2019
Registration of infrared transmission images using squared-loss mutual information
T Sakai, M Sugiyama, K Kitagawa, K Suzuki
Precision Engineering 39, 187-193, 2015
Regret minimization for causal inference on large treatment space
A Tanimoto, T Sakai, T Takenouchi, H Kashima
International Conference on Artificial Intelligence and Statistics, 946-954, 2021
Least-squares log-density gradient clustering for Riemannian manifolds
M Ashizawa, H Sasaki, T Sakai, M Sugiyama
Artificial Intelligence and Statistics, 537-546, 2017
Binary matrix completion using unobserved entries
M Hayashi, T Sakai, M Sugiyama
arXiv preprint arXiv:1803.04663, 2018
Predictive optimization with zero-shot domain adaptation
T Sakai, N Ohsaka
Proceedings of the 2021 SIAM International Conference on Data Mining (SDM …, 2021
Information-theoretic representation learning for positive-unlabeled classification
T Sakai, G Niu, M Sugiyama
Neural Computation 33 (1), 244-268, 2020
A predictive optimization framework for hierarchical demand matching
N Ohsaka, T Sakai, A Yabe
Proceedings of the 2020 SIAM International Conference on Data Mining, 172-180, 2020
Source hypothesis transfer for zero-shot domain adaptation
T Sakai
European Conference on Machine Learning and Principles and Practice of …, 2021
Robust modal regression with direct gradient approximation of modal regression risk
H Sasaki, T Sakai, T Kanamori
Conference on Uncertainty in Artificial Intelligence, 380-389, 2020
pywsl: Python codes for weakly-supervised learning
T Sakai
GitHub, 2017
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