Publications
2022
Delayed Feedback Modeling with a Time Window Assumption
Shota Yasui, Masahiro Kato
ACM SIGKDD Conference on Knowledge Discovery and Data Mining(KDD) 2022
[arxiv]
Learning Causal Relationships from Conditional Moment Restrictions by Importance Weighting
Masahiro Kato, Masaaki Imaizumi, Kenichiro McAlinn, Shota Yasui, Haruo Kakehi
International Conference on Learning Representations(ICLR) 2022
[arxiv]
Evaluating the impact of COVID-19 on ex-vessel prices using time-series analysis
Keita Abe, Gakushi Ishimura, Shinya Baba, Shota Yasui, Kosuke Nakamura
Fisheries Science, 1-12
[URL]
2021
The Adaptive Doubly Robust Estimator for Policy Evaluation in Adaptive Experiments and a Paradox Concerning Logging Policy
Masahiro Kato, Kenichiro McAlinn and Shota Yasui
Neural Information Processing Systems(NeurIPS) 2021
[arxiv]
Debiased Off-Policy Evaluation for Recommendation Systems
Yusuke Narita, Shota Yasui and Kohei Yata
ACM Conference on Recommender Systems(RecSys) 2021
[arxiv]
2020
Off-Policy Evaluation and Learning for External Validity under a Covariate Shift
Kato, Masahiro, Masatoshi Uehara, and Shota Yasui
Neural Information Processing Systems(NeurIPS) 2020
[arxiv]
Counterfactual Cross-Validation: Stable Model Selection Procedure for Causal Inference Models
Saito, Yuta, and Shota Yasui
International Conference on Machine Learning(ICML) 2020,
[arxiv]
Dual Learning Algorithm for Delayed Conversions
Saito, Yuta, Gota Morishita, and Shota Yasui
International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR) 2020
[arxiv]
A Feedback Shift Correction in Predicting Conversion Rates under Delayed Feedback
Yasui, Shota, Gota Morishita, Komei Fujita, Masashi Shibata
The Web Conference (WWW) 2020
[arxiv]
Fatigue-Aware Ad Creative Selection
D Moriwaki, K Fujita, S Yasui, T Hoshino
WSDM Workshop on State-based User Modelling (SUM) 2020
[arxiv]
2019
Efficient counterfactual learning from bandit feedback
Narita, Yusuke, Shota Yasui, and Kohei Yata
AAAI Conference on Artificial Intelligence(AAAI) 2019
[arxiv]
Dual Learning Algorithm for Delayed Feedback in Display Advertising
Saito, Yuta, Gota Morishita, and Shota Yasui
NeurIPS Workshop on Causal Machine Learning 2019
[arxiv]
Counterfactual Cross-Validation
Saito, Yuta, and Shota Yasui
RecSys Workshop on Reinforcement and Robust Estimators for Recommendation (REVEAL) 2019
Book
効果検証入門～正しい比較のための因果推論／計量経済学の基礎
安井翔太 著，株式会社ホクソエム 監修.
技術評論社, 2020-01-18
[Amazon-JP], [正誤表]
施策デザインのための機械学習入門〜データ分析技術のビジネス活用における正しい考え方
齋藤優太，安井翔太 著，株式会社ホクソエム 監修.
技術評論社, 2021-08-04
[Amazon-JP]