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The Telecare project is a healthcare application aimed at minimizing the institutionalization of elderly people and patients with mobility problems and reducing the cost and burden of elderly care for the healthcare system. In this paper we investigate the utilisation of mobile ad hoc networks in the Telecare project from the view point of network security(More)
Adaptive systems refer to autonomous interactive systems that adjust their behavior and functionality to environmental changes. In e-learning context, adaptive e-learning systems (AESs) adapt their services to users interests, knowledge and goals. In order to investigate the trend of researches in the field of adaptation in e-learning systems, a(More)
Wireless sensor networks (WSNs) are emerging as an efficient way to sense the physical phenomenon without the need of wired links and spending huge money on sensor devices. In WSNs, finding the accurate locations of sensor nodes is essential since the location inaccuracy makes the collected data fruitless. In this paper, we propose a two-objective memetic(More)
Magnetic Optimization Algorithm (MOA) has emerged as a promising optimization algorithm that is inspired by the principles of magnetic field theory. In this paper we improve the performance of the algorithm in two aspects. First an Opposition-Based Learning (OBL) approach is proposed for the algorithm which is applied to the movement operator of the(More)
A simple and efficient residue reduction algorithm is presented. This algorithm is suitable for DSP hardware architecture and can be used successfully in small residue systems to speed up modulo calculation, which tend to be computationally intensive operation. The technique uses a lookup table (LUT) of finite length with circular buffer registers, which(More)
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