A2RAG: Adaptive Agentic Graph Retrieval for Cost-Aware and Reliable Reasoning 事件

A2RAG: Adaptive Agentic Graph Retrieval for Cost-Aware and Reliable Reasoning arXiv:2601.21162v2 Announce Type: replace-cross Abstract: Graph Retrieval-Augmented Generation (Graph-RAG) enhances multihop question answering by organizing corpora into knowledge graphs and routing evidence through relational structure. However, practical deployments face two persistent bottlenecks: (i) mixed-difficulty workloads where one-size-fits-all retrieval either wastes cost on easy queries or fails on hard m