3 papers
cs.DB2025
CityVerse: A Unified Data Platform for Multi-Task Urban Computing with Large Language Models
Yaqiao Zhu, Hongkai Wen, Mark Birkin +1
Large Language Models (LLMs) show remarkable potential for urban computing, from spatial reasoning to predictive analytics. However, evaluating LLMs across diverse urban tasks face…
cs.LG2024
Federated Learning for Traffic Flow Prediction with Synthetic Data Augmentation
Fermin Orozco, Pedro Porto Buarque de Gusmão, Hongkai Wen +2
Deep-learning based traffic prediction models require vast amounts of data to learn embedded spatial and temporal dependencies. The inherent privacy and commercial sensitivity of s…
cs.LG2024
TrajWeaver: Trajectory Recovery with State Propagation Diffusion Model
Jinming Wang, Hai Wang, Hongkai Wen +2
With the proliferation of location-aware devices, large amount of trajectories have been generated when agents such as people, vehicles and goods flow around the urban environment.…