selected publications chapter kUBI: A Framework for Privacy and Transparency in Sensor-Based Business Models for Consumers: A Pay-How-You-Drive Example. Lecture Notes in Computer Science. 2020 conference paper Harmonized Group Mix for ITS 2020 iTLM: A Privacy Friendly Crowdsourcing Architecture for Intelligent Traffic Light Management 2020 A Privacy Enhanced Crowdsourcing Architecture for Road Information Mining Using Smartphones 2018