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关于再训练 #1
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我试过了。 发现这个权重效果特别好。比simcse的有监督在我的任务上还高3%个点(准确率)。 |
人工构造了三元组数据吗 |
没有 直接用全部的正样本训练的。 |
simcse的有监督是三元组输入呀 |
我知道 但是我输入正样本 损失相当于采样无监督的损失。 |
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直接使用权重,效果已经很好了。但是在专有领域,为了进一步提升效果,进行了再训练。 训练的loss为: 两个句子最终的编码向量计算cos,然后再进行回归计算(和原始的标签做MSELoss), 不知道和你的预训练是否有gap? 望指点!!!
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