1
Return

DuGTRL: Dual-view grid-based trajectory representation learning framework integrating spatiotemporal semantics

delete2026-08-03
delete0
PRE
AI
Y
Yamei Liu
俞庆英 (Qingying Yu) *
Z
Zixuan Liu
陈传明 (Chuanming Chen)
郑孝遥 (Xiaoyao Zheng)
L
Liping Sun
罗永龙 cover
罗永龙 (Yonglong Luo)
DOI:10.1016/j.eswa.2026.133896delete
deleteOriginal
deleteOriginal request for help
deleteShare
deleteSave
Abstract

Abstract

En 中文
• Models grid-based trajectories as both spatiotemporal images and static graphs. • Fuses local and global patterns via parallel CNN and GAT encoders. • Eliminates reliance on external road networks via semantic feature injection. • Integrates Contrastive Learning and MLM for robust self-supervised training. • Achieves SOTA performance on travel time estimation and classification tasks.
Keywords:
Trajectory representation learning
Dual-view encoder
Grid trajectory
Cross-view fusion
Self-supervised learning

Journal

Expert Systems with Applications cover
Expert Systems with Applications
IF:
7.5
Papers:
2.9W
Citations:
10.2W

Organization

A
anhui normal university
Scholars:
1.2K
Papers: 383
Citations: 0
Cited Papers

Cited Papers

Citing Papers

Citing Papers