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对论文中负采样部分公式的疑惑 #8

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juneshi0315 opened this issue May 2, 2017 · 0 comments

juneshi0315 commented May 2, 2017

您好，论文公式(15)中负采样部分sigmoid函数中为g(h_i, r, t)，但是参考skip-gram中的负采样，负例在sigmoid函数中需要取负值，我想问下这里的g(h_i, r, t)前面是不是丢了负号。如果确实不需要负号的话，原因是什么，谢谢~

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