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August 26, 20265 min readDiscounting the opinions of LLM judges with highly correlated outputs ensures that panels of judges reflect a true diversity of perspectives.
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August 21, 20269 min read
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July 30, 20268 min read
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July 9, 202610 min read
Featured news
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2025The safety alignment ability of Vision-Language Models (VLMs) is prone to be degraded by the integration of the vision module compared to its LLM backbone. We investigate this phenomenon, dubbed as "safety alignment degradation" in this paper, and show that the challenge arises from the representation gap that emerges when introducing vision modality to VLMs. In particular, we show that the representations
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ICML 2025 Workshop on Methods and Opportunities at Small Scale (MOSS)2025In text classification, the classical comparison between discriminative and generative classifiers gains renewed relevance in the transformer era, where computational constraints often limit thorough experimentation. Through systematic small-scale experiments on text classification tasks, we investigate how the fundamental "two regimes" phenomenon—where generative classifiers excel with limited data but
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2025Since the seminal work of TabPFN, research on tabular foundation models (TFMs) based on in-context learning (ICL) has challenged long-standing paradigms in machine learning. Without seeing any real-world data, models pretrained on purely synthetic datasets generalize remarkably well across diverse datasets, often using only a moderate number of in-context examples. This shifts the focus in tabular machine
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SIGMOD/PODS 2025 Workshop on Human-In-the-Loop Data Analytics (HILDA)2025In the classical problem formulation of Text-to-SQL in academia, each question is translated independently of the others into SQL. This differs from the setting in practice, where questions enter the Text-to-SQL system in sequence. Thus, for all but the first few questions, a translation history is available that contains past questions and how they were translated by the system. So far, it has not been
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2025Structuring latent representations in a hierarchical manner enables models to learn patterns at multiple levels of abstraction. However, most prevalent image understanding models focus on visual similarity, and learning visual hierarchies is relatively unexplored. In this work, for the first time, we introduce a learning paradigm that can encode user-defined multi-level complex visual hierarchies in hyperbolic
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