Xichen Zhang
Xichen Zhang has 2 papers in our library, in 2026; often with Haoru Tan, Jiaya Jia, Sitong Wu.
OpenAlex · h-index 0 · 3 works · 0 citations OpenAlex, 2026-10-14
Affiliations
Fields, topics and concepts
📚 Shelves 5The field of science this work belongs to (OpenAlex fields).Artificial Intelligence · 2 worksArts and Humanities · 2 worksComputer Science · 2 worksLanguage and Linguistics · 2 worksInformation Systems · 1 work
Works by year
2020s
Papers
- SearchGym: Bootstrapping Real-World Search Agents via Cost-Effective and High-Fidelity Environment Simulation (2026)
Training LLM search agents with reinforcement learning creates a trade-off. Live commercial search APIs are realistic but expensive. Offline snapshots such as Wikipedia are cheap, but they often disagree with dataset labels. That mismatch produces faulty rewards, which can punish correct answers or reward lucky… - TRAC: Teacher-Guided Token Reward with Adaptive Calibration for Robust Policy Optimization (2026)
Reinforcement learning for LLM reasoning usually depends on a single correctness signal at the end of a solution.
Co-authors here
Venues
Updated
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