Click-based graphical passwords have been proposed as alternatives to text-based passwords, despite being potentially vulnerable to shoulder-surfing, where an attacker can learn p...
Authentication in public spaces is a risky task. Frauds on cash machines (ATMs) are not uncommon nowadays. The biggest group of attacks is observation attacks, which focus on reco...
Alexander De Luca, Emanuel von Zezschwitz, Heinric...
Exploratory visualization environments allow users to build and browse coordinated multiview visualizations interactively. As the number of views and amount of coordination increa...
Ubiquitous computing is poised to revolutionize the way we compute and interact with each other. However, unless privacy concerns are taken into account early in the design proces...
Jalal Al-Muhtadi, Roy H. Campbell, Apu Kapadia, M....
We describe how we implemented the avatars we use to represent users in LivingSpace, our implementation of the Living Worlds standard for multi-user distributed VRML worlds. Livin...