activity
20242026
most citedDeep Activity Model: A Generative Approach for Human Mobility Pattern Synthesis

6 citations · 17 across the 11 of their papers we have counts for

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6 papers · 1 filter

cs.AI2026

GPS-Enhanced Tourist Mobility Modeling with Seasonal Spatial Priors and LLM-Based Activity Chain Generation

Yifan Liu, Yanling Sang, Xishun Liao +6

Tourist mobility poses a distinct challenge for urban transportation planning. Unlike resident commuting, tourist travel is largely non-routine, attraction driven, and highly sensi…

cs.AI2026

Uncertainty-Aware Trip Purpose Inference from GPS Trajectories via POI Semantic Zones and Pareto Calibration

Bo Yang, Haoxuan Ma, Yifan Liu +4

Large-scale GPS trajectory data offer rich observations of human mobility, yet assigning trip purposes to detected stops remains challenging due to the absence of individual-level…

cs.AI2025

MobiVerse: Scaling Urban Mobility Simulation with Hybrid Lightweight Domain-Specific Generator and Large Language Models

Yifan Liu, Xishun Liao, Haoxuan Ma +3

Understanding and modeling human mobility patterns is crucial for effective transportation planning and urban development. Despite significant advances in mobility research, there…

cs.AI2024★ 3 cited

Driving with Regulation: Trustworthy and Interpretable Decision-Making for Autonomous Driving with Retrieval-Augmented Reasoning

Tianhui Cai, Yifan Liu, Zewei Zhou +6

Understanding and adhering to traffic regulations is essential for autonomous vehicles to ensure safety and trustworthiness. However, traffic regulations are complex, context-depen…

cs.AI2024★ 2 cited

Human Mobility Modeling with Household Coordination Activities under Limited Information via Retrieval-Augmented LLMs

Yifan Liu, Xishun Liao, Haoxuan Ma +3

Understanding human mobility patterns has long been a challenging task in transportation modeling. Due to the difficulties in obtaining high-quality training datasets across divers…

cs.AI2024★ 3 cited

Semantic Trajectory Data Mining with LLM-Informed POI Classification

Yifan Liu, Chenchen Kuai, Haoxuan Ma +3

Human travel trajectory mining is crucial for transportation systems, enhancing route optimization, traffic management, and the study of human travel patterns. Previous rule-based…