collaborators

5 papers

cs.CL2026

CityBehavEx: A Scalable and Empirically Validated LLM-Assisted Urban Simulation Platform

Gustavo H. Santos, Aline Viana, Thiago H Silva

Recent LLM-based multi-agent urban simulators can generate semantically rich city routines, but they remain costly to scale and are often weakly validated against empirical mobilit…

cs.CL2026

When Plausible Is Not Realistic: Evaluating Human Mobility in LLM-Based Urban Simulation

Gustavo H. Santos, Aline Carneiro Viana, Thiago H. Silva

LLM-based generative agents are increasingly used in urban simulators, yet it remains unclear whether they reproduce empirically realistic human mobility patterns or merely generat…

cs.SI2025

A Relational Model of Neighborhood Mobility: The Role of Amenities and Cultural Alignment

Thiago H Silva, Daniel Silver, Gustavo Santos +1

Why are some neighborhoods strongly connected while others remain isolated? Although standard explanations focus on demographics, economics, and geography, movement across the city…

cs.IR2025

CityHood: An Explainable Travel Recommender System for Cities and Neighborhoods

Gustavo H Santos, Myriam Delgado, Thiago H Silva

We present CityHood, an interactive and explainable recommendation system that suggests cities and neighborhoods based on users' areas of interest. The system models user interests…

cs.SI2025

Interest Networks (iNETs) for Cities: Cross-Platform Insights and Urban Behavior Explanations

Gustavo H. Santos, Myriam Delgado, Thiago H. Silva

Location-Based Social Networks (LBSNs) provide a rich foundation for modeling urban behavior through iNETs (Interest Networks), which capture how user interests are distributed thr…