Poirot: private contact summary aggregation: poster abstract.

2020 
Physical distancing between individuals is key to preventing the spread of a disease such as COVID-19 On the one hand, having access to information about physical interactions is critical for decision makers;on the other, this information is sensitive and can be used to track individuals In this work, we design Poirot, a system to collect aggregate statistics about physical interactions in a privacy-preserving manner We show a preliminary evaluation of our system that demonstrates the scalability of our approach even while maintaining strong privacy guarantees © 2020 Owner/Author
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