Koya Ohashi

According to our database, Koya Ohashi authored at least 5 papers between 2024 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

Subset Selection for Stratified Sampling in Online Controlled Experiments.

Haru Momozu, Yuki Uehara, Naoki Nishimura, Koya Ohashi, Deddy Jobson, Yilin Li, Phuong Dinh, Noriyoshi Sukegawa, Yuichi Takano

Proceedings of the PRICAI 2025: Trends in Artificial Intelligence, 2025

2024

Robust portfolio optimization model for electronic coupon allocation.

Yuki Uehara, Naoki Nishimura, Yilin Li, Jie Yang, Deddy Jobson, Koya Ohashi, Takeshi Matsumoto, Noriyoshi Sukegawa, Yuichi Takano

INFOR Inf. Syst. Oper. Res., November, 2024

Strategic Coupon Allocation for Increasing Providers' Sales Experiences in Two-sided Marketplaces.

Koya Ohashi, Sho Sekine, Deddy Jobson, Jie Yang, Naoki Nishimura, Noriyoshi Sukegawa, Yuichi Takano

CoRR, 2024

Fast Solution to the Fair Ranking Problem Using the Sinkhorn Algorithm.

Yuki Uehara, Shunnosuke Ikeda, Naoki Nishimura, Koya Ohashi, Yilin Li, Jie Yang, Deddy Jobson, Xingxia Zha, Takeshi Matsumoto, Noriyoshi Sukegawa, Yuichi Takano

Proceedings of the PRICAI 2024: Trends in Artificial Intelligence, 2024

Covariate Ordered Systematic Sampling as an Improvement to Randomized Controlled Trials.

Deddy Jobson, Yilin Li, Naoki Nishimura, Koya Ohashi, Jie Yang, Takeshi Matsumoto

Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, 2024