DUCATI: A dual-cache training system for graph neural networks on giant graphs with the GPU

X Zhang, Y Shen, Y Shao, L Chen - … of the ACM on Management of Data, 2023 - dl.acm.org
Recently Graph Neural Networks (GNNs) have achieved great success in many
applications. The mini-batch training has become the de-facto way to train GNNs on giant …

Early: Efficient and reliable graph neural network for dynamic graphs

H Li, L Chen - Proceedings of the ACM on Management of Data, 2023 - dl.acm.org
Graph neural networks have been widely used to learn node representations for many real-
world static graphs. In general, they learn node representations by recursively aggregating …

Revisiting injective attacks on recommender systems

H Li, S Di, L Chen - Advances in Neural Information …, 2022 - proceedings.neurips.cc
Recent studies have demonstrated that recommender systems (RecSys) are vulnerable to
injective attacks. Given a limited fake user budget, attackers can inject fake users with …

Adversarial attacks on fairness of graph neural networks

B Zhang, Y Dong, C Chen, Y Zhu, M Luo… - arxiv preprint arxiv …, 2023 - arxiv.org
Fairness-aware graph neural networks (GNNs) have gained a surge of attention as they can
reduce the bias of predictions on any demographic group (eg, female) in graph-based …

A message passing neural network space for better capturing data-dependent receptive fields

Z Wang, S Di, L Chen - Proceedings of the 29th ACM SIGKDD …, 2023 - dl.acm.org
Recently, the message passing neural network (MPNN) has attracted a lot of attention,
which learns node representations based on the receptive field of the given node. Despite …

Uplift modeling for target user attacks on recommender systems

W Wang, C Wang, F Feng, W Shi, D Ding… - Proceedings of the ACM …, 2024 - dl.acm.org
Recommender systems are vulnerable to injective attacks, which inject limited fake users
into the platforms to manipulate the exposure of target items to all users. In this work, we …

Message function search for knowledge graph embedding

S Di, L Chen - Proceedings of the ACM Web Conference 2023, 2023 - dl.acm.org
Recently, many promising embedding models have been proposed to embed knowledge
graphs (KGs) and their more general forms, such as n-ary relational data (NRD) and hyper …

Gradgcl: Gradient graph contrastive learning

R Li, S Di, L Chen, X Zhou - 2024 IEEE 40th International …, 2024 - ieeexplore.ieee.org
Graph self-supervised learning aiming to learn the graph representation without much label
information is an important tasks in data mining and machine learning since labeled graph …

E2GCL: Efficient and Expressive Contrastive Learning on Graph Neural Networks

H Li, S Di, L Chen, X Zhou - 2024 IEEE 40th International …, 2024 - ieeexplore.ieee.org
Recently, graph contrastive learning proposes to learn node representations from the
unlabeled graph to alleviate the heavy reliance on node labels in graph neural networks …

Fight Fire with Fire: Towards Robust Graph Neural Networks on Dynamic Graphs via Actively Defense

H Li, S Di, CHY Li, L Chen, X Zhou - Proceedings of the VLDB …, 2024 - dl.acm.org
Graph neural networks (GNNs) have achieved great success on various graph tasks.
However, recent studies have revealed that GNNs are vulnerable to injective attacks. Due to …