作者位次 #4/8ACL 2026Poster· Natural Language Processing
Learning from Emptiness: De-biasing Listwise Rerankers with Content-Agnostic Probability Calibration
Hang Lv · Hongchao Gu · Ruiqing Yang · Liangyue Li · Zulong Chen · Defu Lian · Mingjia Yin (University of Science and Technology of China & · Enhong Chen (University of Science and Technology of China &
摘要
Generative listwise reranking leverages global context for superior retrieval but is plagued by intrinsic position bias, where models exhibit structural sensitivity to input order independent of relevance. Existing mitigations present a dilemma: inference-time aggregation incurs prohibitive laten...