collaborators

5 papers

cs.AI2026

When should I search more: Adaptive Complex Query Optimization with Reinforcement Learning

Wei Wen, Sihang Deng, Tianjun Wei +3

Query optimization is a crucial component for the efficacy of Retrieval-Augmented Generation (RAG) systems. While reinforcement learning (RL)-based agentic and reasoning methods ha…

cs.AI2025

Adaptive Dual Reasoner: Large Reasoning Models Can Think Efficiently by Hybrid Reasoning

Yujian Zhang, Keyu Chen, Zhifeng Shen +2

Although Long Reasoning Models (LRMs) have achieved superior performance on various reasoning scenarios, they often suffer from increased computational costs and inference latency…

cs.CL2025

HiChunk: Evaluating and Enhancing Retrieval-Augmented Generation with Hierarchical Chunking

Wensheng Lu, Keyu Chen, Ruizhi Qiao +1

Retrieval-Augmented Generation (RAG) enhances the response capabilities of language models by integrating external knowledge sources. However, document chunking as an important par…

cs.CL2025

ASPD: Unlocking Adaptive Serial-Parallel Decoding by Exploring Intrinsic Parallelism in LLMs

Keyu Chen, Zhifeng Shen, Daohai Yu +5

The increasing scale and complexity of large language models (LLMs) pose significant inference latency challenges, primarily due to their autoregressive decoding paradigm character…

cs.CL2025

RocketEval: Efficient Automated LLM Evaluation via Grading Checklist

Tianjun Wei, Wei Wen, Ruizhi Qiao +2

Evaluating large language models (LLMs) in diverse and challenging scenarios is essential to align them with human preferences. To mitigate the prohibitive costs associated with hu…