Defining a city—delineating urban areas using cell-phone data
What is a city? Researchers use different criteria and datasets to define it—from population
density to traffic flows. We argue there is one dataset that could serve as a proxy of the …
density to traffic flows. We argue there is one dataset that could serve as a proxy of the …
[HTML][HTML] Conserved quantities in human mobility: From locations to trips
Quantifying intra-person variability in travel choices is essential for the comprehension of
activity–travel behaviour. Due to a lack of empirical studies, there is limited understanding of …
activity–travel behaviour. Due to a lack of empirical studies, there is limited understanding of …
High connectivity and human movement limits the impact of travel time on infectious disease transmission
The speed of spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
during the coronavirus disease 2019 (COVID-19) pandemic highlights the importance of …
during the coronavirus disease 2019 (COVID-19) pandemic highlights the importance of …
Diagnosing urban traffic anomalies by integrating geographic knowledge and tensor theory
Urban traffic anomaly diagnosis is crucial for urban road management and smart city
construction. Most existing methods perform anomaly detection from a data-driven …
construction. Most existing methods perform anomaly detection from a data-driven …
Identifying human mobility patterns using smart card data
O Cats - Transport Reviews, 2024 - Taylor & Francis
Human mobility is subject to collective dynamics that are the outcome of numerous
individual choices. Smart card data which originated as a means of facilitating automated …
individual choices. Smart card data which originated as a means of facilitating automated …
[HTML][HTML] National scale mapping of supply and demand for recreational ecosystem services
Cultural ecosystem services (CES) are often underrepresented in ecosystem service
assessments, despite the importance of these benefits. Recreation is often used to represent …
assessments, despite the importance of these benefits. Recreation is often used to represent …
Efficient self-organization of informal public transport networks
Abstract The Global South, encompassing more than 80% of the world population, heavily
relies on informal paratransit services with ad-hoc routes. Yet, it remains unclear how …
relies on informal paratransit services with ad-hoc routes. Yet, it remains unclear how …
What are patterns of rise and decline?
The notions of change, such as birth, death, growth, evolution and longevity, extend across
reality, including biological, cultural and societal phenomena. Patterns of change describe …
reality, including biological, cultural and societal phenomena. Patterns of change describe …
[HTML][HTML] Spatial structure of workplace and communication between colleagues: A study of E-mail exchange and spatial relatedness on the MIT campus
How does the spatial structure of work environments affect social interactions among
workers? Building on prior studies of both physical and electronic communication networks …
workers? Building on prior studies of both physical and electronic communication networks …
Temporal and spatial evolution of the distribution related to the number of COVID-19 pandemic
P Liu, Y Zheng - Physica A: Statistical Mechanics and Its Applications, 2022 - Elsevier
This work systematically conducts a data analysis based on the numbers of both cumulative
and daily confirmed COVID-19 cases and deaths in a time span through April 2020 to June …
and daily confirmed COVID-19 cases and deaths in a time span through April 2020 to June …