2 papers
cs.IR2022
Reinforcement Online Learning to Rank with Unbiased Reward Shaping
Shengyao Zhuang, Zhihao Qiao, Guido Zuccon
Online learning to rank (OLTR) aims to learn a ranker directly from implicit feedback derived from users' interactions, such as clicks. Clicks however are a biased signal: specific…
math.PR2020
Hidden Equations of Threshold Risk
Vladimir V. Ejov, Jerzy A. Filar, Zhihao Qiao
We consider the problem of sensitivity of threshold risk, defined as the probability of a function of a random variable falling below a specified threshold level We demonstr…