Mads Schaarup Andersen

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Modern smartphone platforms have millions of apps, many of which request permissions to access private data and resources, like user accounts or location. While these smartphone platforms provide varying degrees of control over these permissions, the sheer number of decisions that users are expected to manage has been shown to be unrealistically high. Prior(More)
Addressing human impact on the environment by focusing on shared everyday practices, rather than just individual behavior is an approach that shows promise. However, it can be challenging to put this approach into concrete use, especially in teams unfamiliar with the practice orientation. To support the practice approach, we introduce the Contextual Wheel(More)
Most existing location privacy solutions suffer from being binary privacy or constrained to either identity, temporal, or spatial data. Furthermore, solutions which try to embrace location privacy more generally suffer from being overly complex. This limits the expressiveness and general applicability of such solutions, the consequence being that different(More)
Website privacy policies are often ignored by Internet users, because these documents tend to be long and difficult to understand. However, the significance of privacy policies greatly exceeds the attention paid to them: these documents are binding legal agreements between website operators and their users, and their opaqueness is a challenge not only to(More)
We have been studying how ordinary people use personal informatics technologies for several years. In this paper we briefly describe our early studies, which influenced our design decisions in a recent pilot study that included junior doctors in a UK hospital. We discuss a number of failures in compliance and data collection as well as lessons learned.
Integrating Commercial Off-The-Shelf products in a company's software product portfolio offers business value, but introduces challenges from a software architecture perspective. In this paper, the research challenges in relation to identity management in the Danish municipality administration system called Opus, are outlined. Opus BRS is the identity(More)
Many smartphone users are uncomfortable with the permissions requested by their mobile apps. The sheer number of permissions can be so overwhelming that many users are unable to adequately manage their permission settings. We present a methodology for building personalized privacy assistants to recommend permission settings to users. We conducted two field(More)