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Haochen Zhang

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#artificial intelligence Review Jun 2026

Redact or Keep? A Fully Local AI Cascade for Educational Dialogue De-Identification

This work proposes a fully local cascade framework that reframes de-identification from open-ended entity recognition to constrained privacy triage, and evaluates three reviewer configurations against same-family LLM-only baselines and a commercial API on math tutoring transcripts from two large platforms.

Hao-Chen Zhang, Zhu-Qian Zhou, Kirk P. Vanacore et al. · 0 citations
Jul 2026

SQL-RewriteBench: A Correctness-Gated, Full-Denominator Benchmark for Statement-Level SQL Rewriting [Experiment,Analysis & Benchmark]

SQL-RewriteBench is presented, a benchmark for statement-level SQL rewriting that applies correctness gating and full-denominator accounting and shows that deployable SQL rewrite requires broader input handling, result validation, and benefit-aware rewrite decisions.

Jiang Long, Tian-Ci Gao, Shi-Yuan Hao et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Provably Efficient Federated Reinforcement Learning with Linear Function Approximation and Logarithmic Communication Cost

Fed-LSVI is proposed, the first provably efficient federated algorithm for online reinforcement learning with linear function approximation in episodic Markov decision processes and achieves a regret bound of $\widetilde{\mathcal O}(\sqrt{Md^3H^4T})$, matching the best-known regret for multi-agent online reinforcement...

Zi-Han Liang, Haochen Zhang, Ling-Zhou Xue · 0 citations

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