Lulu Yu

2025

doi dblp
Unbiased Learning to Rank with Query-Level Click Propensity Estimation: Beyond Pointwise Observation and Relevance.
Lulu Yu|Keping Bi|Jiafeng Guo|Shihao Liu|Dawei Yin|Xueqi Cheng
Companion Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025 - 2 May 2025

2024

doi dblp
Are Large Language Models More Honest in Their Probabilistic or Verbalized Confidence?
Shiyu Ni|Keping Bi|Lulu Yu|Jiafeng Guo
Information Retrieval - 30th China Conference, CCIR 2024, Wuhan, China, October 18-20, 2024, Revised Selected Papers

2023

doi dblp
CIR at the NTCIR-17 ULTRE-2 Task.
Lulu Yu|Keping Bi|Jiafeng Guo|Xueqi Cheng
Proceedings of the 17th NTCIR Conference on Evaluation of Information Access Technologies, NTCIR 2023, Tokyo, Japan, December 12-15, 2023