Privacy and personal data collection with information externalities

Privacy Preserving Data Collection

Detailed data collection of individuals is a fundamental requirement for profound statistical analysis of a complex system as the health care system of Switzerland. The aim of this report is to model a privacy-preserving data collection system, to analyze an already proposed implementation and to develop a new proposal giving highest security.

Property, Privacy, and Personal Data

Privacy-preserving Personal Information Management

The spread of Information and Communication Technologies (ICTs) has transformed the way we deliver services, and has made them in general more efficient and more accessible to users. With these improvements however came new challenges. The extensive use of electronic services in our daily life, and the massive gathering of transactional data have led to serious privacy violations. In this thesi...

Big data privacy: The datafication of personal information

Distributed Privacy Preserving Data Collection

We study the distributed privacy preserving data collection problem: an untrusted data collector (e.g., a medical research institute) wishes to collect data (e.g., medical records) from a group of respondents (e.g., patients). Each respondent owns a multi-attributed record which contains both non-sensitive (e.g., quasi-identifiers) and sensitive information (e.g., a particular disease), and sub...