Some Applications of Contextual Integrity
Talkat Data Privacy: From Foundations to Applications (Simons Institute workshop, 2019) · 2019-03-04..03-08·
summary
Contextual integrity defines privacy as the appropriate flow of information using five CI parameters (sender, recipient, subject, attribute, transmission principle) and gets formalized with linear temporal logic; a prototype VACCINE enforcement system checks flows against norms and was tested on 250,000 emails from a public corpus. Factorial‑vignette studies show recipient drastically changes perceived sensitivity, public records trigger strong objections to data brokers, location precision barely shifts judgments but location semantics matter (home/work) and Cambridge Analytica exposes massive policy bloating.
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chapters (7)
- 0:00Start
- 14:22Systems for extracting and enforcing Cl norms
- 24:05Privacy Interests in "public" information
- 25:38Expectations not Preferences!
- 30:15Precision of location Did it matter?
- 32:49Analysis of communication Using Cl to evaluate privacy policies
- 39:19Importance of duration & Inferences
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