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负例的选取 #23

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haerbinwyzhaha opened this issue Apr 23, 2020 · 0 comments

haerbinwyzhaha commented Apr 23, 2020

您好，十分感谢您的工作。有个小问题想问下，您处理过后的数据集形成了正负比例1:10的qa对，我想知道负例是如何选取的呢？是通过随机sample的还是通过类似Bm-25的算法抽取的呢？

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