Yi Chen
3 papers · Latest:
Natural Language Processing
Geometry-Calibrated Conformal Abstention for Language Models
A post-hoc framework, Geometry-Calibrated Conformal Abstention, enables LMs to selectively abstain from answering when uncertain, boosting correctness.
2604.27914
Information RetrievalHow Generative AI Disrupts Search: An Empirical Study of Google Search, Gemini, and AI Overviews
This study empirically compares Google Search, AI Overviews, and Gemini, showing how generative AI alters search results, source diversity, and website visibility.
2604.27790
RoboticsUniT: Toward a Unified Physical Language for Human-to-Humanoid Policy Learning and World Modeling
UniT creates a unified physical language for human-to-humanoid transfer, enabling efficient policy learning and world modeling from human data.
2604.19734
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