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Nandita Shankar Naik

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#artificial intelligence Preprint Aug 2026

AcCoRD: Evaluating User-Agent Collaboration Under Realistic User Preference Dynamics

This work introduces AcCoRD, a user-agent collaboration benchmark requiring agents to handle diverse user preference dynamics in two domains: online shopping and travel planning, and evaluates five frontier LLMs under two prompting strategies: vanilla ReAct, and an uncertainty-guided variant that prompts models to identify and resolve ambiguity about user preferences.

Tejas Srinivasan, Shikib Mehri, Nandita Shankar Naik et al. · 0 citations