CORT: A New Baseline for Comparative Opinion Classification by Dual Prompts. - Yequan Wang; Hengran Zhang; Aixin Sun; Xuying Meng (EMNLP (Findings), 2022)

From Relevance to Utility: Evidence Retrieval with Feedback for Fact Verification. - Hengran Zhang; Ruqing Zhang 001; Jiafeng Guo; Maarten de Rijke; Yixing Fan; Xueqi Cheng (EMNLP (Findings), 2023)

GCRE-GPT: A Generative Model for Comparative Relation Extraction. - Yequan Wang; Hengran Zhang; Aixin Sun; Xuying Meng (CoRR, 2023)

Are Large Language Models Good at Utility Judgments? - Hengran Zhang; Ruqing Zhang 001; Jiafeng Guo; Maarten de Rijke; Yixing Fan; Xueqi Cheng (SIGIR, 2024)

Iterative Utility Judgment Framework via LLMs Inspired by Relevance in Philosophy. - Hengran Zhang; Keping Bi; Jiafeng Guo; Xueqi Cheng (CoRR, 2024)

Unleashing the Power of LLMs in Dense Retrieval with Query Likelihood Modeling. - Hengran Zhang; Keping Bi; Jiafeng Guo; Xiaojie Sun; Shihao Liu; Daiting Shi; Dawei Yin; Xueqi Cheng (CoRR, 2025)

Leveraging LLMs for Utility-Focused Annotation: Reducing Manual Effort for Retrieval and RAG. - Hengran Zhang; Minghao Tang; Keping Bi; Jiafeng Guo; Shihao Liu; Daiting Shi; Dawei Yin; Xueqi Cheng (CoRR, 2025)

A Comparative Study of Specialized LLMs as Dense Retrievers. - Hengran Zhang; Keping Bi; Jiafeng Guo (CoRR, 2025)

Distilling a Small Utility-Based Passage Selector to Enhance Retrieval-Augmented Generation. - Hengran Zhang; Keping Bi; Jiafeng Guo; Jiaming Zhang; Shuaiqiang Wang; Dawei Yin; Xueqi Cheng (CoRR, 2025)