Thoughts on mobility data and privacy.
In 2021 I started working on my dissertation about privacy-preserving analytics of human mobility data. With this blog, I want to share interesting insights and useful implementations concerning mobility data and its privacy that I encounter along the way. I’m always happy about feedback, comments, or questions!
Recent blog posts
You’re more unique than you think – about the difficulty of anonymizing mobility data
One of the main reasons why people can easily be re-identified in mobility data is because mobility patterns are highly unique. Consider your visited locations over the last few days, where did you go and when? E.g., you have been to your home, university, fitness studio, and your favorite supermarket. This combination of locations visited…
Keep readingPublication: Towards mobility reports with user-level privacy
Mobility data, even aggregated statistics, can usually not be shared without privacy concerns. Within this publication, my co-authors Saskia Nuñez von Voigt, Helena Mihaljević, and Florian Tschorsch and I aim to provide a report that compiles typical analyses of urban human mobility and provides privacy guarantees so that it can be shared freely. [Download paper]…
Keep readingPublication: Collection, usage and privacy of mobility data in the enterprise and public administrations
What mobility data sources are used in practice? For which purposes? Which models are used? What privacy enhancements are already implemented? I asked 13 experts from public administrations, public transit companies, mobility platforms and apps, automobile manufacturers, sensor companies, and market research companies and presented my results at the Privacy Enhancing Technologies Symposium 2022, which…
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Alexandra Kapp 