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大佬您好,最近看您的DIN代码,有一些地方不太明白,希望得到您的解答! 1、mask = (behaviors_x > 0).float().unsqueeze(-1) 这里的msak的具体作用是啥啊?为什么需要这个mask呢? 这里的 注意力输入部分,原始的好像没有queries - user_behavior吧?为啥有这一项呢 2、attn_input = torch.cat([queries, user_behavior, queries - user_behavior, queries * user_behavior], dim = -1) 3、 output = user_behavior.mul(attns.mul(mask)) # batch * seq_len * embed_dim 这个里面为啥还有mask呢?
The text was updated successfully, but these errors were encountered:
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大佬您好,最近看您的DIN代码,有一些地方不太明白,希望得到您的解答!
1、mask = (behaviors_x > 0).float().unsqueeze(-1) 这里的msak的具体作用是啥啊?为什么需要这个mask呢?
这里的 注意力输入部分,原始的好像没有queries - user_behavior吧?为啥有这一项呢
2、attn_input = torch.cat([queries, user_behavior,
queries - user_behavior,
queries * user_behavior], dim = -1)
3、 output = user_behavior.mul(attns.mul(mask)) # batch * seq_len * embed_dim
这个里面为啥还有mask呢?
The text was updated successfully, but these errors were encountered: