Author

Hainiu Xu

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#artificial intelligence Preprint Oct 2026

ReFract: Benchmarking Perspective Awareness in Language Model Agents with Text World Models

Large Language Model (LLM) agents are increasingly deployed in high-stakes settings such as industrial maintenance and equipment fault troubleshooting, where workers occupy a variety of roles. A capable agent must therefore act in a way that is calibrated to user's role: taking actions and providing information that re...

Hainiu Xu, Vítor N. Lourenço, Mohnish Dubey et al. · 0 citations

#artificial intelligence Jun 2026

Why It Hurts: Identifying the Drivers of Negative Thoughts in Emotional Support Conversations

The AppraiSal benchmark is introduced, containing 996 emotional support conversations with human-annotated mental states, including salient cognitive appraisal dimensions, and PRISM, a multi-agent probabilistic framework grounded in Bayesian Inverse Planning, designed to improve LLMs'ability to identify context-specifi...

Hainiu Xu, ZHAOYUE SUN, Hanqi Yan et al. · arXiv.org · 0 citations