SentGraph: Hierarchical Sentence Graph for Multi-hop Retrieval-Augmented Question Answering 事件

SentGraph: Hierarchical Sentence Graph for Multi-hop Retrieval-Augmented Question Answering arXiv:2601.03014v3 Announce Type: replace Abstract: Traditional Retrieval-Augmented Generation (RAG) effectively supports single-hop question answering with large language models but faces significant limitations in multi-hop question answering tasks, which require combining evidence from multiple documents. Existing chunk-based retrieval often provides irrelevant and logically incoherent context, leadin