Improving Generative UIs from Use

Generative UI · Human–AI Interaction

Purdue University · May 2026 – Present
Advisor: Dr. Jason Wu

Studying how interaction traces can help AI-generated interfaces become more usable.

My contributions

• Built a pipeline to generate websites, collect task interaction traces, diagnose usability issues, and repair interfaces with coding agents.
• Used trained computer-use agents as baselines for simulating user behavior and providing usability feedback.
• Investigating PPO-based fine-tuning and preference optimization using interaction feedback, with controlled experiments on task usability.

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