Trembr: Exploring road networks for trajectory representation learning

TY Fu, WC Lee - ACM Transactions on Intelligent Systems and …, 2020 - dl.acm.org
In this article, we propose a novel representation learning framework, namely TRajectory
EMBedding via Road networks (Trembr), to learn trajectory embeddings (low-dimensional …

Self-supervised trajectory representation learning with temporal regularities and travel semantics

J Jiang, D Pan, H Ren, X Jiang, C Li… - 2023 IEEE 39th …, 2023 - ieeexplore.ieee.org
Trajectory Representation Learning (TRL) is a powerful tool for spatial-temporal data
analysis and management. TRL aims to convert complicated raw trajectories into low …

Robust road network representation learning: When traffic patterns meet traveling semantics

Y Chen, X Li, G Cong, Z Bao, C Long, Y Liu… - Proceedings of the 30th …, 2021 - dl.acm.org
In this work, we propose a robust road network representation learning framework called
Toast, which comes to be a cornerstone to boost the performance of numerous demanding …

Spatio-temporal trajectory similarity learning in road networks

Z Fang, Y Du, X Zhu, D Hu, L Chen, Y Gao… - Proceedings of the 28th …, 2022 - dl.acm.org
Deep learning based trajectory similarity computation holds the potential for improved
efficiency and adaptability over traditional similarity computation. However, existing learning …

On representation learning for road networks

MX Wang, WC Lee, TY Fu, G Yu - ACM Transactions on Intelligent …, 2020 - dl.acm.org
Informative representation of road networks is essential to a wide variety of applications on
intelligent transportation systems. In this article, we design a new learning framework, called …

Diff-rntraj: A structure-aware diffusion model for road network-constrained trajectory generation

T Wei, Y Lin, S Guo, Y Lin, Y Huang… - … on Knowledge and …, 2024 - ieeexplore.ieee.org
Trajectory data is essential for various applications. However, publicly available trajectory
datasets remain limited in scale due to privacy concerns, which hinders the development of …

NetTraj: A network-based vehicle trajectory prediction model with directional representation and spatiotemporal attention mechanisms

Y Liang, Z Zhao - IEEE Transactions on Intelligent …, 2021 - ieeexplore.ieee.org
Trajectory prediction of vehicles in city-scale road networks is of great importance to various
location-based applications such as vehicle navigation, traffic management, and location …

Self-supervised contrastive representation learning for large-scale trajectories

S Li, W Chen, B Yan, Z Li, S Zhu, Y Yu - Future Generation Computer …, 2023 - Elsevier
Trajectory representation learning aims to embed trajectory sequences into fixed-length
vector representations while preserving their original spatio-temporal feature proximity …

Jointly contrastive representation learning on road network and trajectory

Z Mao, Z Li, D Li, L Bai, R Zhao - Proceedings of the 31st ACM …, 2022 - dl.acm.org
Road network and trajectory representation learning are essential for traffic systems since
the learned representation can be directly used in various downstream tasks (eg, traffic …

GRLSTM: trajectory similarity computation with graph-based residual LSTM

S Zhou, J Li, H Wang, S Shang, P Han - Proceedings of the AAAI …, 2023 - ojs.aaai.org
The computation of trajectory similarity is a crucial task in many spatial data analysis
applications. However, existing methods have been designed primarily for trajectories in …