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Large Language ModelsarXiv cs.CLPublished: Apr 20, 2026, 13:00 JST

New AI assistant CoLabScience learns to proactively intervene in scientific discussions, moving beyond reactive chatbots to enable true human-AI collaboration in biomedical research.

CoLabScience introduces PULI (Positive-Unlabeled Learning-to-Intervene), a reinforcement learning framework that determines optimal timing and approach for AI to contribute to ongoing scientific conversations.

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