Author

Chen Chen

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Conference Jul 2026

ParaCascade: A Parallel Cascading Framework Supporting Early Routing

Real-world inference tasks for large language models exhibit diverse difficulty levels. Existing LLM serving systems integrate models of different sizes and attempt to route tasks of appropriate difficulty to the most suitable model, aiming to reduce resource waste while guaranteeing service quality. Such systems usual...

Hao Wei, Lu-Jia Yin, Chen Chen et al. · Fall Joint Computer Conferen... · 0 citations

Conference Jul 2026

AdaRAG: Budget-Aware Adaptive Retrieval-Augmented Generation via Hierarchical Reinforcement Learning

Multi-turn retrieval-augmented generation (RAG) improves question answering by decomposing evidence seeking into iterative retrieval and reasoning steps. Existing multi-turn RAG methods usually optimize when and how to retrieve while fixing the number of retrieved documents per step. However, we discovered that this fi...

Jia-Nan Sun, Miao Zhang, Chen Chen et al. · Fall Joint Computer Conferen... · 0 citations