Unbiased Learning to Rank with Query-Level Click Propensity Estimation: Beyond Pointwise Observation and Relevance

L Yu, K Bi, J Guo, S Liu, D Yin - arxiv preprint arxiv:2502.11414, 2025‏ - arxiv.org
Most existing unbiased learning-to-rank (ULTR) approaches are based on the user
examination hypothesis, which assumes that users will click a result only if it is both relevant …

Contextual Dual Learning Algorithm with Listwise Distillation for Unbiased Learning to Rank

L Yu, K Bi, S Ni, J Guo - arxiv preprint arxiv:2408.09817, 2024‏ - arxiv.org
Unbiased Learning to Rank (ULTR) aims to leverage biased implicit user feedback (eg,
click) to optimize an unbiased ranking model. The effectiveness of the existing ULTR …

Understanding the Effects of the Baidu-ULTR Logging Policy on Two-Tower Models

M de Haan, P Hager - arxiv preprint arxiv:2409.12043, 2024‏ - arxiv.org
Despite the popularity of the two-tower model for unbiased learning to rank (ULTR) tasks,
recent work suggests that it suffers from a major limitation that could lead to its collapse in …

Learning From Implicit Feedback for Unbiased Learning to Rank

D Luo - 2025‏ - search.proquest.com
Search engines serve as one of the most important tools for accessing information online. In
modern search engines, learning to rank~(LTR) algorithms play a critical role by creating …

데이터 편향이 추천 정확도와 추천결과 편향에 미치는 영향

오소진, 송희석 - Journal of Information Technology Applications & …, 2024‏ - dbpia.co.kr
To investigate how training data bias impacts recommendation quality, this study
experimented with simulated data to observe changes in recommendation performance and …