Differential privacy (DP) is a promising framework for privacy-preserving data science, but
recent studies have exposed challenges in bringing this theoretical framework for privacy …

Research on mental models has been ongoing in Human-Computer Interaction (HCI) since
the 1980s. A mental model derives from humans' perception, memories, knowledge, and …

The Aide Mémoire Project conducted a survey and a series of observational studies in field
recording and artifact illustration to understand 1) the perception of digital and by-hand …

Scope and Motivation Numerous examples show that cybersecurity and data protection
measures need to be designed in such a way that end users can interact safely with digital …

The processing of employee personal data is dramatically increasing. To protect employees'
fundamental right to privacy, the law provides for the implementation of privacy controls …

While it is often claimed that users are more and more empowered via online technologies
4, 16, 17, 31, the counterpart of privacy dis-empowerment is more than a suspicion 27. From …

People engage with multiple online services and carry out a range of different digital
transactions with these services. Registering an account, sharing content in social networks …

Marko Nieminen Thesis advisors: Jamy Li (University of Twente) Upgrading any business-
critical software can be a cause of stress and uncertainty for both the daily users and …

Upgrading any business-critical software can be a cause of stress and uncertainty for both
the daily users and administrators of a system. Upgrades can have technical ramifications …

Mental models are simplified representations of the reality that help users to interact with
complex systems. In our digitized world in which data is collected everywhere, most users …