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- W4378499347 abstract "Weakly supervised learning aims to empower machine learning when the perfect supervision is unavailable, which has drawn great attention from researchers. Among various types of weak supervision, one of the most challenging cases is to learn from multiple unlabeled (U) datasets with only a little knowledge of the class priors, or U$^m$ learning for short. In this paper, we study the problem of building an AUC (area under ROC curve) optimization model from multiple unlabeled datasets, which maximizes the pairwise ranking ability of the classifier. We propose U$^m$-AUC, an AUC optimization approach that converts the U$^m$ data into a multi-label AUC optimization problem, and can be trained efficiently. We show that the proposed U$^m$-AUC is effective theoretically and empirically." @default.
- W4378499347 created "2023-05-27" @default.
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- W4378499347 date "2023-05-25" @default.
- W4378499347 modified "2023-09-27" @default.
- W4378499347 title "AUC Optimization from Multiple Unlabeled Datasets" @default.
- W4378499347 doi "https://doi.org/10.48550/arxiv.2305.15776" @default.
- W4378499347 hasPublicationYear "2023" @default.
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