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model AFM parameter in build_network() #20
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另外,请教一下valid_dim=3的作用, 如果用途是筛选good features interaction,按照原作者以及你的实现方式,特征排序前面的valid_dim个特征就代表了注意力筛选的good features,这样的话特征排序也有必要? |
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我理解num_hidden是特征嵌入维度参数,num_factor是注意力嵌入维度参数吧?
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