Ad-hoc wireless networks with multi-rate radios (such as 802.11a, b, g) require a new class of MAC/PHY aware metrics that take into account factors such as physical-layer link spe...
— This paper presents the ALCA (Asymmetric Link Collision Avoidance) protocol. ALCA was designed to deal with a known deficiency of the Basic Scheme [1] for power control in 802...
Abstract. Ensuring the security of medical records is becoming an increasingly important problem as modern technology is integrated into existing medical services. As a consequence...
In this paper, XfaceEd, our open source, platform independent tool for authoring 3D embodied conversational agents (ECAs) is presented. Following MPEG-4 Facial Animation (FA) stan...
Users of mobile tour guides often express a strong desire for the system to be able to provide information on arbitrary objects they encounter during their visit – akin to point...
Nigel Davies, Keith Cheverst, Alan J. Dix, Andre H...