Now showing items 1-20 of 95

    • 5G and wireless body area networks 

      Jones, Richard William; Katzis, Konstantinos (2018-05-29)
      5G wireless is the next step in the evolution of mobile communications with the aim being to provide connectivity for any kind of device and any kind of application. Wireless Body Area Networks (WBANs) constitute just one ...
    • A driving simulator for discovering requirements in complex systems 

      Gregoriades, Andreas; Hadjicosti, Jack; Florides, Christos; Pampaka, Maria; Michail, Harris E. (2015-01-01)
      One of the most critical phases in complex systems design is the requirements engineering process. During this phase, system designers need to accurately elicit, model and validate the desired system based on user requirements. ...
    • A genetic programming heuristic for the one-machine total tardiness problem 

      Dimopoulos, Christos; Zalzala, Ali M.S. (1999-01-01)
      Genetic programming has rarely been applied to manufacturing optimisation problems. In this report we investigate the potential use of genetic programming for the solution of the one-machine total tardiness problem. ...
    • A graph-theoretic network security game 

      Mavronicolas, Marios; Lesta, Vicky Papadopoulou; Philippou, Anna; Spirakis, Paul G. (2005-12-01)
      Consider a network vulnerable to viral infection, where the security software can guarantee safety only to a limited part of it. We model this practical network scenario as a non-cooperative multi-player game on a graph, ...
    • A network game with attackers and a defender 

      Mavronicolas, Marios; Lesta, Vicky Papadopoulou; Philippou, Anna; Spirakis, Paul G. (2008-07-01)
      Consider an information network with threats called attackers; each attacker uses a probability distribution to choose a node of the network to damage. Opponent to the attackers is a protector entity called defender; the ...
    • A new model for the infrared emission of IRAS F10214+4724 

      Efstathiou, Andreas; Christopher, Natalie M.; Verma, Aprajita; Siebenmorgen, Ralf (2011-09-01)
      We present a new model for the infrared emission of the high redshift hyperluminous infrared galaxy IRAS F10214+4724 which takes into account recent photometric data from Spitzer and Herschel that sample the peak of its ...
    • A novel airborne self-organising architecture for 5G+ networks 

      Ahmadi, Hamed; Katzis, Konstantinos; Shakir, Muhammad Zeeshan (2018-02-08)
      Network Flying Platforms (NFPs) such as unmanned aerial vehicles, unmanned balloons or drones flying at low/medium/high altitude can be employed to enhance network coverage and capacity by deploying a swarm of flying ...
    • A review of evolutionary multiobjective optimization applications in the area of production research 

      Dimopoulos, Christos (2004-09-13)
      Evolutionary computation methods have been used extensively in the past for the solution of manufacturing optimization problems. This paper examines the impact of the fast-growing evolutionary multiobjective optimization ...
    • A robotic system for home security enhancement 

      Gregoriades, Andreas; Obadan, Samuel; Michail, Harris E.; Lesta, Vicky Papadopoulou; Michael, Despina (2010-08-16)
      Central to smart home security is the need for adequate surrounding awareness. Security systems have been designed for remote exploration and control, however, these still lack the simplicity needed by elderly and disabled. ...
    • A semi-automated quality assurance toolbox for diagnostic radiological imaging 

      Constantinou, Christodoulos; Grondoudis, Andreas; Christoforou, Andreas; Constantinides, Christakis; Lanitis, Andreas (2006-12-01)
      Magnetic Resonance (MRI), Computed Tomography (CT) and Ultrasound (US) are three of the most commonly used clinical imaging modalities. The aim of this study was to establish a Quality Assurance program for MRI, CT and US ...
    • Adaptive information hovering in VANETs: Robustness and enhancements 

      Xeros, Andreas; Constantinides, Themis; Lestas, Marios; Mylonas, Yiannos; Pitsillides, Andreas; Lesta, Vicky Papadopoulou (2013-01-01)
      Information hovering is relevant in vehicular ad hoc networks in cases where critical information needs to be made available to all vehicles in a bounded geographical area, called the hovering area, for a specific amount ...
    • Analysis of probabilistic flooding in VANETs for optimal rebroadcast probabilities 

      Saeed, Taqwa; Lestas, Marios; Mylonas, Yiannos; Pitsillides, Andreas; Lesta, Vicky Papadopoulou (2016-06-30)
      A number of probabilistic flooding schemes have been recently considered in VANETs to address problems of information dissemination in safety applications. The design approach has so far been simulative, a method which ...
    • Attracting students to engineering education studies: A survey of practices 

      Dimopoulos, Christos; Katzis, Konstantinos; Hawwash, Kamel I.M. (2011-01-01)
      The worldwide declining numbers of students enrolled in educational degrees related to engineering disciplines led to the gradual decrease of qualified engineers who are necessary for the implementation of fundamental ...
    • Augmented reality in laboratory-based education: Could it change the way students decide about their future studies? 

      Lasica, Ilona Elefteryja; Katzis, Konstantinos; Meletiou-Mavrotheris, Maria; Dimopoulos, Christos (2017-06-07)
      Several studies have focused on the different types of laboratories arising with the evolution of technology and their influence within all educational levels concerning Science, Technology, Engineering and Mathematics ...
    • Automation and complacency: Insights from a planning task in the transportation domain 

      Avril, Eugénie; Navarro, Jordan; Wioland, Liên; Valéry, Benoît; Govaere, Virginie; Gourc, Didier; Khademi, Koosha; Dimopoulos, Christos; Dargent, Elisabeth; Renaudeau, Nathalie; Cegarra, Julien (2018-01-01)
      Automated systems are becoming increasingly prevalent in our environment. This leads to a new tasks repartition between the human operator and automation. Understanding human-machine cooperation including potential failures ...
    • Career advising in cypriot high schools 

      Katzis, Konstantinos; Dimopoulos, Christos; Hawwash, Kamel I.M. (2012-01-01)
      The number of students studying engineering has been falling, prompting warnings about serious shortage of skilled engineers around Europe [1-4]. As a result, societies lack of qualified engineers who are necessary for the ...
    • Challenges in evaluating usability and user experience of reality-based interaction 

      Christou, Georgios; Effie Law, Effie; Green, William A.; Hornbæk, Kasper (2009-09-22)
      This workshop aims to further the understanding of the challenges relating to the evaluation methods of usability and user experience that are specific to Reality-Based Interaction (RBI), and to identify effective practical ...
    • Cold. Revisiting hub labels on the database for large-scale graphs 

      Efentakis, Alexandros; Efstathiades, Christodoulos; Pfoser, Dieter (2015-01-01)
      Shortest-path computation is a well-studied problem in algorithmic theory. An aspect that has only recently attracted attention is the use of databases in combination with graph algorithms to compute distance queries on ...
    • Combining traffic simulation with bayesian networks for improved quantification of accident risk index 

      Gregoriades, Andreas; Mouskos, Kyriacos C.; Michail, Harris E.; Katzis, Konstantinos (2012-12-18)
      Traffic phenomena are characterized by complexity and uncertainty, hence require sophisticated information management to identify patterns relevant to safety and reliability. Traffic simulation methods have emerged with ...
    • Comparison of the effectiveness of Logisim software tool and remote experiments based on Nexys 2 FPGA platform in learning digital circuits design 

      Luković, Vanja; Kmeta, Radojka; Vulović, Ana; Damnjanović, Dorde M.; Peulić, Aleksandar S.; Dimopoulos, Christos; Katzis, Konstantinos (2017-07-18)
      This paper describes the findings from our study on the parallel usage of Logisim software tool and remote experiment based on Nexys 2 FPGA hardware platform for learning digital circuits design and computer architecture ...