2025
Optimizing Question Semantic Space for Dynamic Retrieval-Augmented Multi-hop Question Answering
ACL 2025long
Retrieval-augmented generation (RAG) is usually integrated into large language models (LLMs) to mitigate hallucinations and knowledge obsolescence. Whereas, conventional one-step retrieve-and-read methods are insufficient for multi-hop question answering, facing challenges of retrieval semantic mism…