Daben Liu

Uncertainty as Feature Gaps: Epistemic Uncertainty Quantification of LLMs in Contextual Question-Answering

Alignment-Weighted DPO: A principled reasoning approach to improve safety alignment

Improving Consistency in Retrieval Augmented Systems with Group Similarity Reward

Play by the Type Rules: Inferring Constraints for LLM Functions in Declarative Programs

Refusal Tokens: A Simple Way to Calibrate Refusals in Large Language Models

Refusal Tokens: A Simple Way to Calibrate Refusals in Large Language Models