Towards Urban General Intelligence: A Review and Outlook of Urban Foundation Models

W Zhang, J Han, Z Xu, H Ni, H Liu, H Xiong - arXiv preprint arXiv …, 2024 - arxiv.org
Machine learning techniques are now integral to the advancement of intelligent urban
services, playing a crucial role in elevating the efficiency, sustainability, and livability of …

UniST: A Prompt-Empowered Universal Model for Urban Spatio-Temporal Prediction

Y Yuan, J Ding, J Feng, D Jin, Y Li - arXiv preprint arXiv:2402.11838, 2024 - arxiv.org
Urban spatio-temporal prediction is crucial for informed decision-making, such as
transportation management, resource optimization, and urban planning. Although pretrained …

Graph data condensation via self-expressive graph structure reconstruction

Z Liu, C Zeng, G Zheng - arXiv preprint arXiv:2403.07294, 2024 - arxiv.org
With the increasing demands of training graph neural networks (GNNs) on large-scale
graphs, graph data condensation has emerged as a critical technique to relieve the storage …

Multi-scale Traffic Pattern Bank for Cross-city Few-shot Traffic Forecasting

Z Liu, G Zheng, Y Yu - arXiv preprint arXiv:2402.00397, 2024 - arxiv.org
Traffic forecasting is crucial for intelligent transportation systems (ITS), aiding in efficient
resource allocation and effective traffic control. However, its effectiveness often relies heavily …

Decomposition with feature attention and graph convolution network for traffic forecasting

Y Liu, X Wu, Y Tang, X Li, D Sun, L Zheng - Knowledge-Based Systems, 2024 - Elsevier
Traffic forecasting is a crucial task for enhancing the quality and efficiency of intelligent
transportation systems. In recent years, several neural networks have been proposed to …

Physics-Guided Multi-Source Transfer Learning for Network-Scale Traffic Flow Prediction

J Li, C Liao, S Hu, X Chen… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Recent research has shown that some network traffic flow patterns are similar across
multiple traffic regions. Identifying and transferring these domain-invariant features can …

Frequency Enhanced Pre-training for Cross-city Few-shot Traffic Forecasting

Z Liu, J Ding, G Zheng - arXiv preprint arXiv:2406.02614, 2024 - arxiv.org
The field of Intelligent Transportation Systems (ITS) relies on accurate traffic forecasting to
enable various downstream applications. However, developing cities often face challenges …

Dataset Condensation for Time Series Classification via Dual Domain Matching

Z Liu, K Hao, G Zheng, Y Yu - arXiv preprint arXiv:2403.07245, 2024 - arxiv.org
Time series data has been demonstrated to be crucial in various research fields. The
management of large quantities of time series data presents challenges in terms of deep …

Prompt-Enhanced Spatio-Temporal Graph Transfer Learning

J Hu, X Liu, Z Fan, Y Yin, S Xiang, S Ramasamy… - arXiv preprint arXiv …, 2024 - arxiv.org
Spatio-temporal graph neural networks have demonstrated efficacy in capturing complex
dependencies for urban computing tasks such as forecasting and kriging. However, their …

C-Mamba: Channel Correlation Enhanced State Space Models for Multivariate Time Series Forecasting

C Zeng, Z Liu, G Zheng, L Kong - arXiv preprint arXiv:2406.05316, 2024 - arxiv.org
In recent years, significant progress has been made in multivariate time series forecasting
using Linear-based, Transformer-based, and Convolution-based models. However, these …