4 papers
rt2gtfs: A scalable framework for correcting public transport timetables using real-time data for accessibility analysis
Zihao Chen, Federico Botta
Travel time is a fundamental component of accessibility measurement, yet most accessibility analyses rely on static timetable data that assume public transport services operate exa…
The geography of inequalities in access to healthcare across England: the role of bus travel time variability
Zihao Chen, Federico Botta
Fair access to healthcare facilities is fundamental to achieving social equity. Traditional travel time-based accessibility measures often overlook the dynamic nature of travel tim…
Valeriepieris Circles Reveal City and Regional Boundaries in England and Wales
Rudy Arthur, Federico Botta
We propose a new method of determining regional and city boundaries based on the Valeriepieris circle, the smallest circle containing a given fraction of the data. By varying the f…
Unveiling social vibrancy in urban spaces with app usage
Thomas Collins, Diogo Pacheco, Riccardo Di Clemente +1
Urban vibrancy is an important measure of the energetic nature of a city that is related to why and how people use urban spaces, and it is inherently connected with our social beha…