FiBiNet

SENet

1. Jie Hu,Li Shen,and Gang Sun.Squeeze-and-Excitation Networks.In CVPR,2018.
2. Tongwen Huang,Zhiqi Zhang,and Junlin Zhang.FiBiNET:Combining Feature Importance and Bilinear feature Interaction for Click-Through Rate Prediction.In RecSys,2019.

SENet对离散特征做field-wise加权

Bilinear Cross

特征交叉：

• 内积

• 哈达玛乘积

• Bilinear Cross

  可以交叉不同大小的向量

  指定一部分重要的参数做交叉

FiBiNet