activity
20122024
most citedInfinite Hidden Relational Models

17 citations · 25 across the 5 of their papers we have counts for

collaborators

5 papers

cs.IR2024

An Interpretable Alternative to Neural Representation Learning for Rating Prediction -- Transparent Latent Class Modeling of User Reviews

Giuseppe Serra, Peter Tino, Zhao Xu +1

Nowadays, neural network (NN) and deep learning (DL) techniques are widely adopted in many applications, including recommender systems. Given the sparse and stochastic nature of co…

cs.IR2023

Entire Space Cascade Delayed Feedback Modeling for Effective Conversion Rate Prediction

Yunfeng Zhao, Xu Yan, Xiaoqiang Gui +6

Conversion rate (CVR) prediction is an essential task for large-scale e-commerce platforms. However, refund behaviors frequently occur after conversion in online shopping systems,…

cs.LG2023

Learning Sparsity of Representations with Discrete Latent Variables

Zhao Xu, Daniel Onoro Rubio, Giuseppe Serra +1

Deep latent generative models have attracted increasing attention due to the capacity of combining the strengths of deep learning and probabilistic models in an elegant way. The da…

cs.LG2022★ 8 cited

Self-Supervised Representation Learning via Latent Graph Prediction

Yaochen Xie, Zhao Xu, Shuiwang Ji

Self-supervised learning (SSL) of graph neural networks is emerging as a promising way of leveraging unlabeled data. Currently, most methods are based on contrastive learning adapt…

cs.AI2012★ 17 cited

Infinite Hidden Relational Models

Zhao Xu, Volker Tresp, Kai Yu +1

In many cases it makes sense to model a relationship symmetrically, not implying any particular directionality. Consider the classical example of a recommendation system where the…