Deep learning for trajectory data management and mining: A survey and beyond

W Chen, Y Liang, Y Zhu, Y Chang, K Luo… - arXiv preprint arXiv …, 2024 - arxiv.org
Trajectory computing is a pivotal domain encompassing trajectory data management and
mining, garnering widespread attention due to its crucial role in various practical …

Trajectory similarity measurement: An efficiency perspective

Y Chang, E Tanin, G Cong, CS Jensen… - Proceedings of the VLDB …, 2024 - dl.acm.org
Trajectories that capture object movement have numerous applications, in which similarity
computation between trajectories often plays a key role. Traditionally, trajectory similarity is …

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 …

Synmob: Creating high-fidelity synthetic gps trajectory dataset for urban mobility analysis

Y Zhu, Y Ye, Y Wu, X Zhao, J Yu - Advances in Neural …, 2023 - proceedings.neurips.cc
Urban mobility analysis has been extensively studied in the past decade using a vast
amount of GPS trajectory data, which reveals hidden patterns in movement and human …

S2tul: A semi-supervised framework for trajectory-user linking

L Deng, H Sun, Y Zhao, S Liu, K Zheng - … on web search and data mining, 2023 - dl.acm.org
Trajectory-User Linking (TUL) aiming to identify users of anonymous trajectories, has
recently received increasing attention due to its wide range of applications, such as criminal …

A spatio-temporal task allocation model in mobile crowdsensing based on knowledge graph

B Zhao, H Dong, D Yang - Smart Cities, 2023 - mdpi.com
With the increasing popularity of wireless networks and the development of smart cities, the
Mobile Crowdsourcing System (MCS) has emerged as a framework for automatically …

Causaltad: Causal implicit generative model for debiased online trajectory anomaly detection

W Li, D Yao, C Gong, X Chu, Q Jing… - 2024 IEEE 40th …, 2024 - ieeexplore.ieee.org
Trajectory anomaly detection, aiming to estimate the anomaly risk of trajectories given the
Source-Destination (SD) pairs, has become a critical problem for many real-world …

KGTS: Contrastive Trajectory Similarity Learning over Prompt Knowledge Graph Embedding

Z Chen, D Zhang, S Feng, K Chen, L Chen… - Proceedings of the …, 2024 - ojs.aaai.org
Trajectory similarity computation serves as a fundamental functionality of various spatial
information applications. Although existing deep learning similarity computation methods …

Contrastive Learning for Graph-Based Vessel Trajectory Similarity Computation

S Luo, W Zeng, B Sun - Journal of Marine Science and Engineering, 2023 - mdpi.com
With the increasing popularity of automatic identification system AIS devices, mining latent
vessel motion patterns from AIS data has become a hot topic in water transportation …

CCML: Curriculum and Contrastive Learning Enhanced Meta-Learner for Personalized Spatial Trajectory Prediction

J Zhao, J Xu, Y Xu, J Fang, P Chao… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Spatial trajectory prediction is a fundamental problem for diverse location-based
applications. However, existing methods fall short in learning and generalization, and …