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cs.AI2026
SimTrace: Grounded Multimodal User Trajectories Generation for Online User Modeling
Yunan Lu, Shuang Xie, Meghna Allamudi +4
Virtual clients offer a cost-effective approach to support applications such as A/B testing, recommender system development, and interface evaluation. However, building them requir…
cs.CL2026
VISTA: A Versatile Interactive User Simulation Toolkit for Agent Evaluation
Yunan Lu, Ryan Shea, Yusen Zhang +1
Evaluation remains a critical bottleneck for interactive agent development. Existing evaluation methods often rely on static benchmarks, which fail to capture the dynamic, multi-st…