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ResearchOctober 1, 2026

SimTrace: Grounded Multimodal User Trajectories Generation for Online User Modeling

Virtual clients offer a cost-effective approach to support applications such as A/B testing, recommender system development, and interface evaluation. However, building them requires access to large-scale, semantically faithful, fine-grained online user trajectories. These data…

Yunan Lu, Shuang Xie, Meghna Allamudi, Mingyu Zhao, Han Li, Lingyun Wang, Zhou Yu·arXiv — cs.AI
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Key Takeaways
  • 01.Virtual clients offer a cost-effective approach to support applications such as A/B testing, recommender system development, and interface evaluation
  • 02.However, building them requires access to large-scale, semantically faithful, fine-grained online user trajectories
  • 03.These data…

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