Nowadays modern advertising environments try to provide more efficientads by targeting costumers based on their interests. Various approaches existtoday as to how information about the users’ interests can be gathered. Users candeliberately and explicitly provide this information or user’s...

Purpose: Performing tasks in public spaces can be demanding due to task complexity. Systems that can keep track of the current task state may help their users to successfully fulfill a task. These systems, however, require major implementation effort. The purpose of this paper is to investigate...