AI RESEARCH

GRAPE: Let GRPO Supervise Query Rewriting by Ranking for Retrieval

arXiv CS.CV

ArXi:2509.23370v2 Announce Type: replace The CLIP model has established itself as a cornerstone of large-scale retrieval systems. However, its performance often degrades under distributional shifts such as multilingual, long-form, or multimodal queries. To avoid the prohibitive costs associated with retriever re