A survey on graph neural networks for time series: Forecasting, classification, imputation, and anomaly detection

M **, HY Koh, Q Wen, D Zambon… - … on Pattern Analysis …, 2024 - ieeexplore.ieee.org
Time series are the primary data type used to record dynamic system measurements and
generated in great volume by both physical sensors and online processes (virtual sensors) …

Graph neural networks for temporal graphs: State of the art, open challenges, and opportunities

A Longa, V Lachi, G Santin, M Bianchini, B Lepri… - arxiv preprint arxiv …, 2023 - arxiv.org
Graph Neural Networks (GNNs) have become the leading paradigm for learning on (static)
graph-structured data. However, many real-world systems are dynamic in nature, since the …

Temporal graph benchmark for machine learning on temporal graphs

S Huang, F Poursafaei, J Danovitch… - Advances in …, 2023 - proceedings.neurips.cc
Abstract We present the Temporal Graph Benchmark (TGB), a collection of challenging and
diverse benchmark datasets for realistic, reproducible, and robust evaluation of machine …

Structure-free graph condensation: From large-scale graphs to condensed graph-free data

X Zheng, M Zhang, C Chen… - Advances in …, 2023 - proceedings.neurips.cc
Graph condensation, which reduces the size of a large-scale graph by synthesizing a small-
scale condensed graph as its substitution, has immediate benefits for various graph learning …

Rethinking and scaling up graph contrastive learning: An extremely efficient approach with group discrimination

Y Zheng, S Pan, V Lee, Y Zheng… - Advances in Neural …, 2022 - proceedings.neurips.cc
Graph contrastive learning (GCL) alleviates the heavy reliance on label information for
graph representation learning (GRL) via self-supervised learning schemes. The core idea is …

Towards better dynamic graph learning: New architecture and unified library

L Yu, L Sun, B Du, W Lv - Advances in Neural Information …, 2023 - proceedings.neurips.cc
We propose DyGFormer, a new Transformer-based architecture for dynamic graph learning.
DyGFormer is conceptually simple and only needs to learn from nodes' historical first-hop …

Tempme: Towards the explainability of temporal graph neural networks via motif discovery

J Chen, R Ying - Advances in Neural Information …, 2023 - proceedings.neurips.cc
Temporal graphs are widely used to model dynamic systems with time-varying interactions.
In real-world scenarios, the underlying mechanisms of generating future interactions in …

Finding the missing-half: Graph complementary learning for homophily-prone and heterophily-prone graphs

Y Zheng, H Zhang, V Lee, Y Zheng… - International …, 2023 - proceedings.mlr.press
Real-world graphs generally have only one kind of tendency in their connections. These
connections are either homophilic-prone or heterophily-prone. While graphs with homophily …

Normalizing flow-based neural process for few-shot knowledge graph completion

L Luo, YF Li, G Haffari, S Pan - … of the 46th International ACM SIGIR …, 2023 - dl.acm.org
Knowledge graphs (KGs), as a structured form of knowledge representation, have been
widely applied in the real world. Recently, few-shot knowledge graph completion (FKGC) …

Correlation-aware spatial–temporal graph learning for multivariate time-series anomaly detection

Y Zheng, HY Koh, M **, L Chi, KT Phan… - … on Neural Networks …, 2023 - ieeexplore.ieee.org
Multivariate time-series anomaly detection is critically important in many applications,
including retail, transportation, power grid, and water treatment plants. Existing approaches …