3 papers
math.OC2026
Simultaneous estimation of multiple discrete unimodal distributions under stochastic order constraints
Yasuhiro Yoshida, Noriyoshi Sukegawa, Jiro Iwanaga
We study the problem of estimating multiple discrete unimodal distributions, motivated by search behavior analysis on a real-world platform. To incorporate prior knowledge of prece…
cs.IR2020
Predicting Online Item-choice Behavior: A Shape-restricted Regression Perspective
Naoki Nishimura, Noriyoshi Sukegawa, Yuichi Takano +1
This paper examines the relationship between user pageview (PV) histories and their item-choice behavior on an e-commerce website. We focus on PV sequences, which represent time se…
cs.AI2016
A Latent-class Model for Estimating Product-choice Probabilities from Clickstream Data
Naoki Nishimura, Noriyoshi Sukegawa, Yuichi Takano +1
This paper analyzes customer product-choice behavior based on the recency and frequency of each customer's page views on e-commerce sites. Recently, we devised an optimization mode…