106 citations · 121 across the 9 of their papers we have counts for
11 papers
A global mobile network coverage raster product at 1km resolution, 1999--2030
Till Koebe, Theophilus Aidoo, Ali El Chami +5
Where a mobile signal is available shapes who can work, learn, bank, seek health care and respond to crises in the digital age, yet no globally consistent, sub-national record of m…
No one likes it hot, but hotter cities adjust by staying active later
Andrew Renninger, Till Koebe, Ingmar Weber
Extreme heat suppresses urban activity, but its effects need not be uniform across climates or across the day. Using data on activity at points of interest in 20 cities spanning te…
Reply To: Global Gridded Population Datasets Systematically Underrepresent Rural Population by Josias Láng-Ritter et al
Till Koebe, Emmanuel Letouzé, Tuba Bircan +3
The paper titled ''Global gridded population datasets systematically underrepresent rural population'' by Josias Láng-Ritter et al. provides a valuable contribution to the discours…
A Global Dataset of Location Data Integrity-Assessed Reforestation Efforts
Angela John, Selvyn Allotey, Till Koebe +2
Afforestation and reforestation are popular strategies for mitigating climate change by enhancing carbon sequestration. However, the effectiveness of these efforts is often self-re…
A Weak Supervision Learning Approach Towards an Equitable Mobility Estimation
Theophilus Aidoo, Till Koebe, Akansh Maurya +2
The scarcity and high cost of labeled high-resolution imagery have long challenged remote sensing applications, particularly in low-income regions where high-resolution data are sc…
Coverage Biases in High-Resolution Satellite Imagery
Vadim Musienko, Axel Jacquet, Ingmar Weber +1
Satellite imagery is increasingly used to complement traditional data collection approaches such as surveys and censuses across scientific disciplines. However, we ask: Do all plac…
Unveiling Local Patterns of Child Pornography Consumption in France using Tor
Till Koebe, Zinnya del Villar, Brahmani Nutakki +2
Child pornography represents a severe form of exploitation and victimization of children, leaving the victims with emotional and physical trauma. In this study, we aim to analyze l…
Releasing survey microdata with exact cluster locations and additional privacy safeguards
Till Koebe, Alejandra Arias-Salazar
Household survey programs around the world publish fine-granular georeferenced microdata to support research on the interdependence of human livelihoods and their surrounding envir…
Intercensal updating using structure-preserving methods and satellite imagery
Till Koebe, Alejandra Arias-Salazar, Natalia Rojas-Perilla +1
Censuses are fundamental building blocks of most modern-day societies, yet collected every ten years at best. We propose an extension of the widely popular census updating techniqu…
Mobile phone data and COVID-19: Missing an opportunity?
Nuria Oliver, Emmanuel Letouzé, Harald Sterly +21
This paper describes how mobile phone data can guide government and public health authorities in determining the best course of action to control the COVID-19 pandemic and in asses…
Better coverage, better outcomes? Mapping mobile network data to official statistics using satellite imagery and radio propagation modelling
Till Koebe
Mobile sensing data has become a popular data source for geo-spatial analysis, however, mapping it accurately to other sources of information such as statistical data remains a cha…