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cs.AI2024
BIGCity: A Universal Spatiotemporal Model for Unified Trajectory and Traffic State Data Analysis
Xie Yu, Jingyuan Wang, Yifan Yang +2
Typical dynamic ST data includes trajectory data (representing individual-level mobility) and traffic state data (representing population-level mobility). Traditional studies often…
cs.LG2024
VecCity: A Taxonomy-guided Library for Map Entity Representation Learning
Wentao Zhang, Jingyuan Wang, Yifan Yang +1
Electronic maps consist of diverse entities, such as points of interest (POIs), road networks, and land parcels, playing a vital role in applications like ITS and LBS. Map entity r…
cs.LG2024★ 2 cited
Jointly Learning Representations for Map Entities via Heterogeneous Graph Contrastive Learning
Jiawei Jiang, Yifan Yang, Jingyuan Wang +1
The electronic map plays a crucial role in geographic information systems, serving various urban managerial scenarios and daily life services. Developing effective Map Entity Repre…