FFM这个实现有问题吧. 这个值每次都会被更新吧
Author: nevergiveupheCreated May 6, 2020Updated May 6, 2020
https://github.com/princewen/tensorflow_practice/blob/b3696f757a9620ed317b5b34b749f6352a1542b6/recommendation/recommendation-FFM-Demo/FFM_model.py#L47
Source: princewen/tensorflow_practice