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- Mathias Lécuyer, Riley Spahn, Yannis Spiliopolous, Augustin Chaintreau, Roxana Geambasu, Daniel J. Hsu
- ACM Conference on Computer and Communications…
- 2015
We present Sunlight, a system that detects the causes of targeting phenomena on the web -- such as personalized advertisements, recommendations, or content -- at large scale and with solid… (More)
- Mathias Lécuyer, Guillaume Ducoffe, +5 authors Roxana Geambasu
- USENIX Security Symposium
- 2014
Today’s Web services – such as Google, Amazon, and Facebook – leverage user data for varied purposes, including personalizing recommendations, targeting advertisements, and adjusting prices. At… (More)
- Nicolas Viennot, Mathias Lécuyer, Jonathan Bell, Roxana Geambasu, Jason Nieh
- EuroSys
- 2015
The growing demand for data-driven features in today's Web applications -- such as targeting, recommendations, or predictions -- has transformed those applications into complex conglomerates of… (More)
- Mathias Lécuyer, Riley Spahn, Roxana Geambasu, Tzu-Kuo Huang, Siddhartha Sen
- 2017 IEEE Symposium on Security and Privacy (SP)
- 2017
Protecting vast quantities of data poses a daunting challenge for the growing number of organizations that collect, stockpile, and monetize it. The ability to distinguish data that is actually needed… (More)
- Kanak Biscuitwala, Willem Bult, +6 authors S Elizabeth McGregor
- SIGCOMM
- 2013
Kanak Biscuitwala kanak@cs.stanford.edu Willem Bult wbult@stanford.edu Mathias Lécuyer† ml3302@columbia.edu T.J. Purtell tpurtell@cs.stanford.edu Madeline K.B. Ross‡ mkr2132@columbia.edu Augustin… (More)
- Mathias Lécuyer, Max Tucker, Augustin Chaintreau
- WWW
- 2017
The idealistic beginnings of the sharing economy made ways to an entrenched battle to win over the public opinion and for law makers to appreciate its benefits and its risks. The stakes are high as… (More)
Adversarial examples that fool machine learning models, particularly deep neural networks, have been a topic of intense research interest, with attacks and defenses being developed in a tight… (More)
- Guillaume Ducoffe, Mathias Lécuyer, Augustin Chaintreau, Roxana Geambasu
- SIGMETRICS
- 2015
Big Data promises important societal progress but exacerbates the need for due process and accountability. Companies and institutions can now discriminate between users at an individual level using… (More)
- Mathias Lécuyer, Vaggelis Atlidakis, Roxana Geambasu, Daniel Hsu, Suman Jana
- ArXiv
- 2018
Adversarial examples in machine learning has been a topic of intense research interest, with attacks and defenses being developed in a tight back-and-forth. Most past defenses are best-effort,… (More)
- Mathias Lécuyer, Riley Spahn, Roxana Geambasu, Tzu-Kuo Huang, Siddhartha Sen
- IEEE Security & Privacy
- 2018
Today’s companies collect immense amounts of personal data and enable wide access to it within the company. This exposes the data to external hackers and privacy-transgressing employees. This study… (More)