Author

Thomas D. Hull

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#natural language process... Preprint Sep 2026

Optimizing Sparse Outcomes Through Dense Behavioral Signals via Value-Guided Preference Distillation

This work forms a safety framework combining counterfactual user simulation with a validated dialogue-level outcome model to evaluate preference weightings and policy optimization methods, and demonstrates that distilling multi-objective value preferences into the policy via reference-anchored preference optimization m...

Ziyi Zhu, Dan Cahn, Thomas D. Hull et al. · 0 citations

#human-computer interacti... Preprint Sep 2026

Healthcare Utilization, Chronic Condition Management, and Workplace Functioning Among Users of a Purpose-Built Mental Health AI (Ash): Cross-Sectional Study

Preliminary evidence is provided that use of purpose-built AI may be associated with positive symptom-based and utilization outcomes for those managing co-occurring mental and physical concerns.

Kristen M. Van Swearingen, Thomas D. Hull, J. Swigert et al. · 0 citations