Useful and easy-to-use digital passenger services are one component for increasing the
overall attractiveness of public transportation. In this paper, we provide an overview and a …

Abstract Design of attractive services for the bus travel context is important because of the
aim to increase the usage of sustainable travel modes of public transportation. In bus travel …

In this chapter, we present our concept for recommending similar people in physical
proximity—SimCon. While existing social networking services tend to connect people who …

There are fundamental differences in the way people experience behaviors and emotions.
The field of psychometrics allows the quantifiable measurement of personality traits that …

In this chapter, we propose, develop, and evaluate metrics for estimating the similarity
between two smartphone users in ubiquitous social networking settings. Our approach is …