Search Results for author: Xuheng Cai

Found 4 papers, 4 papers with code

How Expressive are Graph Neural Networks in Recommendation?

1 code implementation22 Aug 2023 Xuheng Cai, Lianghao Xia, Xubin Ren, Chao Huang

Most existing works adopt the graph isomorphism test as the metric of expressiveness, but this graph-level task may not effectively assess a model's ability in recommendation, where the objective is to distinguish nodes of different closeness.

Collaborative Filtering Graph Learning

SSLRec: A Self-Supervised Learning Framework for Recommendation

1 code implementation10 Aug 2023 Xubin Ren, Lianghao Xia, Yuhao Yang, Wei Wei, Tianle Wang, Xuheng Cai, Chao Huang

Our SSLRec platform covers a comprehensive set of state-of-the-art SSL-enhanced recommendation models across different scenarios, enabling researchers to evaluate these cutting-edge models and drive further innovation in the field.

Collaborative Filtering Data Augmentation +2

LightGCL: Simple Yet Effective Graph Contrastive Learning for Recommendation

1 code implementation16 Feb 2023 Xuheng Cai, Chao Huang, Lianghao Xia, Xubin Ren

In this paper, we propose a simple yet effective graph contrastive learning paradigm LightGCL that mitigates these issues impairing the generality and robustness of CL-based recommenders.

Contrastive Learning Data Augmentation +1

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