Nodeformer: A scalable graph structure learning transformer for node classification

Q Wu, W Zhao, Z Li, DP Wipf… - Advances in Neural …, 2022 - proceedings.neurips.cc
Graph neural networks have been extensively studied for learning with inter-connected data.
Despite this, recent evidence has revealed GNNs' deficiencies related to over-squashing …

Handling distribution shifts on graphs: An invariance perspective

Q Wu, H Zhang, J Yan, D Wipf - arxiv preprint arxiv:2202.02466, 2022 - arxiv.org
There is increasing evidence suggesting neural networks' sensitivity to distribution shifts, so
that research on out-of-distribution (OOD) generalization comes into the spotlight …

Energy-based out-of-distribution detection for graph neural networks

Q Wu, Y Chen, C Yang, J Yan - arxiv preprint arxiv:2302.02914, 2023 - arxiv.org
Learning on graphs, where instance nodes are inter-connected, has become one of the
central problems for deep learning, as relational structures are pervasive and induce data …

Geometric knowledge distillation: Topology compression for graph neural networks

C Yang, Q Wu, J Yan - Advances in Neural Information …, 2022 - proceedings.neurips.cc
We study a new paradigm of knowledge transfer that aims at encoding graph topological
information into graph neural networks (GNNs) by distilling knowledge from a teacher GNN …

Graph Learning under Distribution Shifts: A Comprehensive Survey on Domain Adaptation, Out-of-distribution, and Continual Learning

M Wu, X Zheng, Q Zhang, X Shen, X Luo, X Zhu… - arxiv preprint arxiv …, 2024 - arxiv.org
Graph learning plays a pivotal role and has gained significant attention in various
application scenarios, from social network analysis to recommendation systems, for its …

Graphglow: Universal and generalizable structure learning for graph neural networks

W Zhao, Q Wu, C Yang, J Yan - Proceedings of the 29th ACM SIGKDD …, 2023 - dl.acm.org
Graph structure learning is a well-established problem that aims at optimizing graph
structures adaptive to specific graph datasets to help message passing neural networks (ie …

Learning enhanced representation for tabular data via neighborhood propagation

K Du, W Zhang, R Zhou, Y Wang… - Advances in …, 2022 - proceedings.neurips.cc
Prediction over tabular data is an essential and fundamental problem in many important
downstream tasks. However, existing methods either take a data instance of the table …

Dense Representation Learning and Retrieval for Tabular Data Prediction

L Zheng, N Li, X Chen, Q Gan, W Zhang - Proceedings of the 29th ACM …, 2023 - dl.acm.org
Data science is concerned with mining data patterns from a database, which is assembled
by tabular data. As the routine of machine learning, most of the previous work mining the …

Rethinking cross-domain sequential recommendation under open-world assumptions

W Xu, Q Wu, R Wang, M Ha, Q Ma, L Chen… - Proceedings of the …, 2024 - dl.acm.org
Cross-Domain Sequential Recommendation (CDSR) methods aim to tackle the data sparsity
and cold-start problems present in Single-Domain Sequential Recommendation (SDSR) …

GRAFENNE: learning on graphs with heterogeneous and dynamic feature sets

S Gupta, S Manchanda, S Ranu… - … on Machine Learning, 2023 - proceedings.mlr.press
Graph neural networks (GNNs), in general, are built on the assumption of a static set of
features characterizing each node in a graph. This assumption is often violated in practice …