An observed value consistent diffusion model for imputing missing values in multivariate time series

X Wang, H Zhang, P Wang, Y Zhang, B Wang… - Proceedings of the 29th …, 2023 - dl.acm.org
Missing values, which are common in multivariate time series, is most important obstacle
towards the utilization and interpretation of those data. Great efforts have been employed on …

Frigate: Frugal spatio-temporal forecasting on road networks

M Gupta, H Kodamana, S Ranu - Proceedings of the 29th ACM SIGKDD …, 2023 - dl.acm.org
Modelling spatio-temporal processes on road networks is a task of growing importance.
While significant progress has been made on developing spatio-temporal graph neural …

Towards Dynamic Spatial-Temporal Graph Learning: A Decoupled Perspective

B Wang, P Wang, Y Zhang, X Wang, Z Zhou… - Proceedings of the …, 2024 - ojs.aaai.org
With the progress of urban transportation systems, a significant amount of high-quality traffic
data is continuously collected through streaming manners, which has propelled the …

Autostl: Automated spatio-temporal multi-task learning

Z Zhang, X Zhao, H Miao, C Zhang, H Zhao… - Proceedings of the AAAI …, 2023 - ojs.aaai.org
Spatio-temporal prediction plays a critical role in smart city construction. Jointly modeling
multiple spatio-temporal tasks can further promote an intelligent city life by integrating their …

Graph Neural Processes for Spatio-Temporal Extrapolation

J Hu, Y Liang, Z Fan, H Chen, Y Zheng… - Proceedings of the 29th …, 2023 - dl.acm.org
We study the task of spatio-temporal extrapolation that generates data at target locations
from surrounding contexts in a graph. This task is crucial as sensors that collect data are …

A Multi-graph Fusion Based Spatiotemporal Dynamic Learning Framework

X Wang, L Chen, H Zhang, P Wang, Z Zhou… - Proceedings of the …, 2023 - dl.acm.org
Spatiotemporal data forecasting is a fundamental task in the field of graph data mining.
Typical spatiotemporal data prediction methods usually capture spatial dependencies by …

Countering modal redundancy and heterogeneity: a self-correcting multimodal fusion

P Wang, X Wang, B Wang, Y Zhang… - … Conference on Data …, 2022 - ieeexplore.ieee.org
Fusing multimodal heterogeneous data plays a vital role in recognition and prediction tasks
in various fields, eg, action recognition and traffic accident forecast. Yet, there remain some …

Multi-Scale Enhanced Features Correlation Filters Learning with Dual Second-Order Difference for UAV Tracking

YF Yu, Y Zhang, L Chen, P Ge… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Currently, most Discriminative Correlation Filters (DCF) algorithms used for Unmanned
Aerial Vehicle (UAV) target tracking primarily focus on improving the tracking model …

Condition-Guided Urban Traffic Co-Prediction With Multiple Sparse Surveillance Data

B Wang, P Wang, Y Zhang, X Wang… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Traffic prediction is one of the important research directions in Intelligent Transportation
Systems, with positive implications for vehicle dispatching and vehicle management. In …

When Imbalance Meets Imbalance: Structure-driven Learning for Imbalanced Graph Classification

W Xu, P Wang, Z Zhao, B Wang, X Wang… - Proceedings of the ACM …, 2024 - dl.acm.org
Graph Neural Networks (GNNs) can learn representative graph-level features to achieve
efficient graph classification. But GNNs usually assume an environment where both class …