2 papers
stat.ML2026
Beyond Heuristic Tuning: Power-Calibrated LLM Watermarking
Xiaopu Wang, Zelin He, Chengyuan Liu +1
Logit-based watermarking is a widely used mechanism for identifying LLM generated content, yet its effectiveness is governed by a fundamental trade-off between detectability and se…
cs.AI2026
When Should Service Agents Reconsider? Difficulty-Routed Control in Customer-Service Operations
Qian Chen, Chengyuan Liu, Xin Yu
Autonomous customer-service agents are shifting from conversational interfaces toward operational execution roles: they retrieve firm records, apply service policies, and execute b…