Unverified50% confidenceFactExact time
DistilBERT 的蒸馏过程使用了三重损失函数:蒸馏损失、遮蔽语言模型损失和余弦嵌入损失
1
Sources
50%
Confidence
Long-term
Relevance
9/6/2026
First Seen
Sources
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Unverified该算法的损失函数包含三个部分:Focal Loss(正负样本均衡)、相似性损失(相邻点一致性约束)和形状损失(二阶平滑约束)75% similarUnverified分散损失(Dispersion Loss)是一种专门用于对抗小语言模型中嵌入坍缩现象的技术74% similarUnverified常见的对比学习损失函数包括 NT-Xent Loss 和 Triplet Loss69% similarUnverifiedDiffusion-LM的训练目标包含三项损失:扩散去噪损失、嵌入匹配项和取整损失68% similarUnverified分散损失通过在标准语言建模损失之外附加正则项,鼓励嵌入向量在空间中尽可能散开67% similar
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