Browsing Τμήμα Πληροφορικής / Department of Computer Science by Submit Date

Now showing items 21-40 of 1952

    • Article  

      A general framework for argumentation-based negotiation 

      Amgoud, L.; Dimopoulos, Yannis; Moraïtis, Pavlos (2008)
      This paper proposes a unified and general framework for argumentation-based negotiation, in which the role of argumentation is formally analyzed. The framework makes it possible to study the outcomes of an argumentation-based ...
    • Conference Object  

      Making decisions through preference-based argumentation 

      Amgoud, L.; Dimopoulos, Yannis; Moraïtis, Pavlos (2008)
      Decision making is usually based on the comparative evaluation of different alternatives by means of a decision criterion. The whole decision process is compacted into a criterion formula on the basis of which alternatives ...
    • Conference Object  

      A unified and general framework for argumentation-based negotiation 

      Amgoud, L.; Dimopoulos, Yannis; Moraïtis, Pavlos (2007)
      This paper proposes a unified and general framework for argumentation-based negotiation, in which the role of argumentation is formally analyzed. The framework makes it possible to study the outcomes of an argumentation-based ...
    • Conference Object  

      E-commerce engineering: A short vs long software process for the development of e-commerce applications 

      Andreou, Andreas S.; Mavromoustakos, Stephanos M.; Leonidou, Constantinos; Chrysostomou, Chrysostomos; Pitsillides, Andreas; Samaras, George S.; Schizas, Christos N. (Escola Superior de Tecnologia do Instituto Politecnico de Setubal, 2003)
      The immediacy in developing e-commerce applications, the quality of the services offered by these systems band the need for continuous evolution are primary issues that must be fully analysed and understood prior and during ...
    • Article  

      Key issues for the design and development of mobile commerce services and applications 

      Andreou, Andreas S.; Leonidou, Constantinos; Chrysostomou, Chrysostomos; Pitsillides, Andreas; Samaras, George S.; Schizas, Christos N.; Mavromoustakos, Stephanos M. (2005)
      This paper suggests a new approach for developing m-commerce services and applications based on a scheme that divides m-applications into directory- and transaction-oriented classes, identifies mobile user requirements, ...
    • Article  

      Dynamic adaptive data structures for monitoring data streams 

      Aguilar-Saborit, J.; Trancoso, Pedro; Muntes-Mulero, V.; Larriba-Pey, J. L. (2008)
      The monitoring of data streams is a very important issue in many different areas. Aspects such as accuracy, the speed of response, the use of memory and the adaptability to the changing nature of data may vary in importance ...
    • Article  

      Dynamic count filters 

      Aguilar-Saborit, J.; Trancoso, Pedro; Muntes-Mulero, V.; Larriba-Pey, J. L. (2006)
      Bloom filters are not able to handle deletes and inserts on multisets over time. This is important in many situations when streamed data evolve rapidly and change patterns frequently. Counting Bloom Filters (CBF) have been ...
    • Conference Object  

      Developing an effective social presence system for older adults: The Connected Vitality Network 

      Achilleos, Achilleas P.; Mettouris, Christos; Papadopoulos, George Angelos; Neureiter, K.; Rappold, C.; Moser, C.; Tscheligi, M.; Vajda, L.; Tóth, András L.; Hanak, P.; Jimenez, O.; Smit, R. (2013)
      Communication over distance via the use of communication technologies aims to offer and enable contact for older adults, who are typically restricted in terms of mobility and tend to suffer from loneliness due to the lack ...
    • Conference Object  

      Automating the development of device-aware Web Services: A model-driven approach 

      Achilleos, Achilleas P.; Paspallis, Nearchos; Papadopoulos, George Angelos (2011)
      The huge growth of the mobile devices market and the fast-changing requirements of mobile users, increase the need to develop native Web Service clients that can be deployed on both mobile and desktop devices. Existing ...
    • Article  

      An automation component for cross-platform, context-aware applications development 

      Achilleos, Achilleas P.; Thoma, Marita; Kapitsaki, Georgia M.; Mettouris, Christos; Papadopoulos, George Angelos (2015)
      Context-aware computing faces many challenges mainly due to the increasing number and heterogeneity of context sources, since the Internet of Things introduces billions of devices. The development of context-aware applications ...
    • Book  

      VRST '05 : ACM Symposium on Virtual Reality Software & Technology, November 7-9, 2005, Naval Postgraduate School, Monterey, California, USA 

      ACM Symposium on Virtual Reality Software, and Technology; ACM Symposium on Virtual Reality Software, and Technology; Darken, Rudolph; Chrysanthou, Yiorgos L.; SIGCHI (Group, :. US),; SIGGRAPH; ACM Symposium on Virtual Reality Software, and Technology (ACM Press, 2005)
    • Conference Object  

      KSpot: Effectively monitoring the k most important events in a wireless sensor network 

      Andreou, Panayiotis G.; Zeinalipour-Yazdi, Constantinos D.; Vassiliadou, M.; Chrysanthis, Panos K.; Samaras, George S. (2009)
      This demo presents a graphical user interface and ranking system, coined KSpot, for effectively monitoring the K highest-ranked answers to a query Q in a Wireless Sensor Network. KSpot deploys state-of-the-art distributed ...
    • Article  

      A network-aware framework for energy-efficient data acquisition in wireless sensor networks 

      Andreou, Panayiotis G.; Zeinalipour-Yazdi, Constantinos D.; Samaras, George S.; Chrysanthis, Panos K. (2014)
      Wireless sensor networks enable users to monitor the physical world at an extremely high fidelity. In order to collect the data generated by these tiny-scale devices, the data management community has proposed the utilization ...
    • Conference Object  

      Dynamic network adaptation for real-time medical video communication 

      Antoniou, Zinonas C.; Panayides, Andreas S.; Pantzaris, Marios C.; Constantinides, Anthony G.; Pattichis, Constantinos S.; Pattichis, Marios S. (Springer Verlag, 2016)
      The wider adoption of mHealth video communication systems in standard clinical practice requires adequate levels of clinical video quality to support reliable diagnosis. The latter dictates that real-time adaptation to ...
    • Article  

      Real-Time Adaptation to Time-Varying Constraints for Medical Video Communications 

      Antoniou, Zinonas C.; Panayides, Andreas S.; Pantzaris, Marios C.; Constantinides, Anthony G.; Pattichis, Constantinos S.; Pattichis, Marios S. (2017)
      The wider adoption of mobile Health (mHealth) video communication systems in standard clinical practice requires real-time control to provide for adequate levels of clinical video quality to support reliable diagnosis. The ...
    • Conference Object  

      Adaptive emergency scenery video communications using HEVC for responsive decision support in disaster incidents 

      Antoniou, Zinonas C.; Panayides, Andreas S.; Pattichis, Marios S.; Stavrou, S.; Kyriacou, Efthyvoulos C.; Spanias, Andreas S.; Constantinides, Anthony G.; Pattichis, Constantinos S. (Institute of Electrical and Electronics Engineers Inc., 2015)
      This study proposes a unifying framework for m-Health video communication systems that provides for the joint optimization of video quality, bitrate demands, and encoding time. The framework is video modality and infrastructure ...
    • Article  

      EHealth services for the european reference network on rare anaemias (eENERCA) 

      Antoniou, Zinonas C.; Schiza, Eirini C.; Neokleous, Kleanthis C.; Angastiniotis, Michael A.; Pattichis, Constantinos S.; Schizas, Christos N. (2015)
      This paper presents an electronic registry system for the purposes of the eENERCA for rare congenital conditions that require lifelong follow up and treatment. The main objective of the eENERCA project focusses on the ...
    • Article  

      Context-aware self-optimization in multiparty converged mobile environments 

      Antoniou, Josephina; Christophorou, C.; Neto, A.; Sargento, S.; Cabral Pinto, F.; Carapeto, N. F.; Mota, T.; Simoes, J.; Pitsillides, Andreas (2010)
      The increase of networking complexity requires the design of new performance optimization schemes for delivering different types of sessions to users under different conditions. In this scope, special attention is given ...
    • Article  

      Efficiency of semisynchronous versus asynchronous networks 

      Attiya, H.; Mavronicolas, Marios (1994)
      The s-session problem is studied in asynchronous and semisynchronous networks. Processes are located at the nodes of an undirected graph G and communicate by sending messages along links that correspond to the edges of G. ...
    • Article  

      Comparison of collaborative and content-based automatic recommendation approaches in a digital library of Serbian PhD dissertations 

      Azzopardi, J.; Ivanovic, D.; Kapitsaki, Georgia M. (2017)
      Digital libraries have become an excellent information resource for researchers. However, users of digital libraries would be served better by having the relevant items ‘pushed’ to them. In this research, we present various ...