一作SIGIR 2026Oral· Information Retrieval (Reproducibility)
Where Relevance Emerges: A Layer-Wise Study of Internal Attention for Zero-Shot Re-Ranking
Haodong Chen · Shengyao Zhuang · Shengyao Zhuang · Shengyao Zhuang · Teerapong Leelanupab
摘要
Zero-shot document re-ranking with Large Language Models (LLMs) has evolved from Pointwise methods to Listwise and Setwise approaches that optimize computational efficiency. Despite their success, these methods predominantly rely on generative scoring or output logits, which face bottlenecks in i...