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Author

Meiling Zhang

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Preprint Aug 2026

Beyond Capability Benchmarks: Learning Operational Fingerprints of LLM Cloud Services from Production Incident Metadata

Managed LLM services are now part of real production systems, but model selection and service planning still rely heavily on capability benchmarks that reveal little about operational behavior after deployment. We present Operational Embedding (OpEmbed), a framework for learning compact operational fingerprints of LLM...

Meiling Zhang, Eduardo Miranda, Bruce Baynes et al. · 0 citations
Open access Jul 2026

Hierarchical Mean-Field Theory-based Off-Policy GRPO for Federated Edge Learning in Resource-Constrained Edge Computing

A novel algorithm named Group Relative Policy Optimization Based on Hierarchical Mean-Field Theory (OGRPO-HMF) is proposed, which can jointly optimize the local training of nodes and the global model aggregation of servers to comprehensively enhance the efficiency and performance of FEL.

Bing Ai, Yu Sun, Jun Wang et al. · 0 citations

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