Quadratic assignment problems (QAPs) with a Hamming distance matrix for a hypercube or a Manhattan distance matrix for a rectangular grid arise frequently from communications and ...
In this article we describe a new wireless biosignal system which monitors in a long-term basis, the users at their homes. The system consists of wearable sensors that measure hear...
Joana Sousa, Susana Palma, Hugo Silva, Hugo Gamboa
Home networks and the interconnection of home appliances is a classical theme in ubiquitous computing research. Security is a recurring concern, but there is a lack of awareness of...
On a wired network, physical authentication is implicitly provided by access: if a user is able to plug a cable into a network socket, he must have cleared other security checks s...
We propose a surveillance framework (SECRETS: SECure Real-time ElecTronic Surveillance) that is a practical solution to safeguarding sensitive physical facilities like command and ...