Platforms are becoming an increasingly important part of today’s and future innovations. However, from a privacy and security, as well as from a societal perspective, closed proprietary platforms, the currently dominant form, possess certain potentially problematic features. This is why many call for open ecosystem ...

The Internet of Things (IoT), with its ubiquitous sensors and actuators, enables highly useful novel use cases, notably in the field of digital assistance. It also raises unprecedented privacy and security issues. This contribution presents a reference architecture for an ecosystem of digital assistants with minimal ...