2 papers
cs.IR2026
HeadRank: Decoding-Free Passage Reranking via Preference-Aligned Attention Heads
Juyuan Wang, Chenxing Wang, Yuchen Fang +8
Decoding-free reranking methods that read relevance signals directly from LLM attention weights offer significant latency advantages over autoregressive approaches, yet suffer from…
cs.IR2026
When & How to Write for Personalized Demand-aware Query Rewriting in Video Search
Cheng cheng, Chenxing Wang, Aolin Li +3
In video search systems, user historical behaviors provide rich context for identifying search intent and resolving ambiguity. However, traditional methods utilizing implicit histo…