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Xiaohui Xie

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#machine learning Preprint Oct 2026

NetRL: Powering Network Decisions via NetGRPO-Driven Reinforcement Learning

Network decision-making tasks, including adaptive bitrate streaming, load balancing, and congestion control, require policies to process heterogeneous states and actions while balancing near- and long-term consequences. Existing solutions generalize poorly across network tasks, require substantial task-specific redesig...

Ling-Feng Peng, Xiao-Hui Xie, Yang Bao et al. · 0 citations
#artificial intelligence Preprint Sep 2026

Who Is Behind the Harness? Fingerprinting LLMs through Agentic Behavior

This work presents LIDAR (LLM Identification from Decisions and Actions at Runtime), an active black-box fingerprinting method for coding-agent execution that achieves high Top-1 accuracy and MRR and outperforms four existing fingerprinting and API-auditing baselines.

Chu-Yi Wang, Xiao-Hui Xie, Tong-Ze Wang et al. · 0 citations
Preprint Aug 2026

NetConfArena: An Executable Benchmark for LLM Agents in Closed-Loop Network Configuration

NetConfArena is presented, an executable benchmark for evaluating LLM agents in closed-loop network configuration, and its findings suggest two future directions: using validated trajectories as supervision signals to improve foundation models, and designing harness mechanisms that make agent execution more reliable an...

Chang Liu, Xiao-Hui Xie, Xinyi Chen et al. · 1 citation

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