2 papers
cs.CR2026
PromptPET: Privacy-Utility Optimized Prompt Obfuscation
Ke Yang, Olivia Figueira, Umar Iqbal +1
Privacy is an important challenge when users interact with AI chatbots, since users may share sensitive information, explicitly or implicitly, and AI chatbots can use this informat…
cs.RO2026
Causal Reward World Models: Zero-shot Reward Design for Automated Skill Generation
Yang Yang, Yuchuang Tong, Zhengtao Zhang +6
Automated Reward Design (ARD) aims to replace manual reward engineering in reinforcement learning with language-driven reward function synthesis. However, existing approaches based…