Author

Min-Xuan Lv

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Preprint Sep 2026

TRACER: Trajectory-Aligned Learning for Multi-Turn User Simulation

Faithful user simulation is fundamental to building, evaluating, and improving interactive AI at scale. Yet current simulators often produce plausible individual responses without reproducing the intent evolution and outcomes observed in real interactions. We propose TRACER, a multi-turn user simulator that models evol...

Ge Chen, Ruo-Tong Pan, Zhi-Rui Yang et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Beyond Surface Style: Aligning Multi-Turn User Simulators with Behavioral Consistency

Faithful user simulation is fundamental to building, evaluating, and improving interactive AI at scale. However, plausible individual responses do not ensure that simulated users reproduce the intent evolution and outcomes observed in real interactions. We propose TRACER, a multi-turn user simulator that explicitly mod...

Geng Chen, Ruo-Tong Pan, Zhi-Rui Yang et al. · 0 citations