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News/When Sample Selection Bias Precipitates Model Collapse
arxiv
PublishedJune 15, 2026 at 4:00 AM

When Sample Selection Bias Precipitates Model Collapse

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arXiv:2606.13732v1 Announce Type: new Abstract: The proliferation of recursive training on synthetic data can alleviate data scarcity but risks model collapse, where repeated training erodes distributional tails and homogenizes outputs. Data selection is widely viewed as a remedy, yet its reliabilit

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