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20242026
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cs.CL2026

From Propositional to Perceptual Asymmetry: Extending Frictive Policy Optimization to Asymmetric Partial Information Dialogue

Yifan Zhu, Kyeongmin Rim, James Pustejovsky

Frictive Policy Optimization (FPO; Pustejovsky et al., 2025) treats friction in collaborative dialogue -- misalignment, misunderstanding, repair -- as an epistemic signal essential…

cs.CL2026

Frictive Policy Optimization for LLMs: Epistemic Intervention, Risk-Sensitive Control, and Reflective Alignment

James Pustejovsky, Nikhil Krishnaswamy

We propose Frictive Policy Optimization (FPO), a framework for learning language model policies that regulate not only what to say, but when and how to intervene in order to manage…

cs.CL2025

Dynamic Epistemic Friction in Dialogue

Timothy Obiso, Kenneth Lai, Abhijnan Nath +2

Recent developments in aligning Large Language Models (LLMs) with human preferences have significantly enhanced their utility in human-AI collaborative scenarios. However, such app…

cs.CL2025

TRACE: Real-Time Multimodal Common Ground Tracking in Situated Collaborative Dialogues

Hannah VanderHoeven, Brady Bhalla, Ibrahim Khebour +11

We present TRACE, a novel system for live *common ground* tracking in situated collaborative tasks. With a focus on fast, real-time performance, TRACE tracks the speech, actions, g…

cs.CL2024

Speech Is Not Enough: Interpreting Nonverbal Indicators of Common Knowledge and Engagement

Derek Palmer, Yifan Zhu, Kenneth Lai +8

Our goal is to develop an AI Partner that can provide support for group problem solving and social dynamics. In multi-party working group environments, multimodal analytics is cruc…