5 papers
Subset Selection for Stratified Sampling in Online Controlled Experiments
Haru Momozu, Yuki Uehara, Naoki Nishimura +6
Online controlled experiments, also known as A/B testing, are the digital equivalent of randomized controlled trials for estimating the impact of marketing campaigns on website vis…
Strategic Coupon Allocation for Increasing Providers' Sales Experiences in Two-sided Marketplaces
Koya Ohashi, Sho Sekine, Deddy Jobson +4
In a two-sided marketplace, network effects are crucial for competitiveness, and platforms need to retain users through advanced customer relationship management as much as possibl…
Fast solution to the fair ranking problem using the Sinkhorn algorithm
Yuki Uehara, Shunnosuke Ikeda, Naoki Nishimura +8
In two-sided marketplaces such as online flea markets, recommender systems for providing consumers with personalized item rankings play a key role in promoting transactions between…
Robust portfolio optimization model for electronic coupon allocation
Yuki Uehara, Naoki Nishimura, Yilin Li +6
Currently, many e-commerce websites issue online/electronic coupons as an effective tool for promoting sales of various products and services. We focus on the problem of optimally…
Covariate Ordered Systematic Sampling as an Improvement to Randomized Controlled Trials
Deddy Jobson, Li Yilin, Naoki Nishimura +3
The Randomized Controlled Trial (RCT) or A/B testing is considered the gold standard method for estimating causal effects. Fisher famously advocated randomly allocating experiment…