Smart environments produce large amounts of data by a plurality of sensors, which constantly track our activities and desires. To support our daily life, assistive environments process these data to calculate our intentions and future actions. In many cases, more information than required are generated and processed by the assistive system. Thereby, the system can learn more about the user than ... [Show full abstract] intended. By this, the users' right to informational self-determination is injured, because they lose control how their data is used.
In this paper, we present a model to let the user formulate requirements to protect his privacy in smart environments. These requirements are transformed into multiple integrity constraints, which ensure privacy.