Understanding the Ranking Loss for Recommendation with Sparse User Feedback

1 code implementation • 21 Mar 2024 • Zhutian Lin, Junwei Pan, Shangyu Zhang, Ximei Wang, Xi Xiao, Shudong Huang, Lei Xiao, Jie Jiang

In this paper, we uncover a new challenge associated with BCE loss in scenarios with sparse positive feedback, such as CTR prediction: the gradient vanishing for negative samples.

Binary Classification Click-Through Rate Prediction