Now showing items 1-18 of 18

  • Adaptivity for knowledge content in the semantic web 

    Hartonas, C.; Gana, E. (2008)
    The focus of this report is the adaptivity issue for Learning Objects owned by Learning (Web) Services. We address this issue based on the Concept, Resource, Order, Product (CROP) Reference Architecture that we briefly ...
  • An architecture for secure VoiIP and collaboration applications 

    Zisiadis, D.; Kopsidas, S.; Tassiulas, L. (2007)
    VoIP and collaboration Internet applications are a driving force for the use and expansion of the Internet. Current applications usually require end user registration in a central user database, which in turn provides ...
  • An area-based overlay architecture for scalable integration of sensor networks 

    Pappas, L.; Lalis, S. (2010)
    With many different sensor networks being deployed, there will be an increased need to facilitate their uniform and efficient access at a large, perhaps even global, scale. To this end, we present an overlay-based architecture ...
  • Autonomic cache management in Information-Centric Networks 

    Sourlas, V.; Flegkas, P.; Gkatzikis, L.; Tassiulas, L. (2012)
    Recent research efforts in the area of future networks indicate Information-Centric Networking (ICN) as the dominant architecture for the Future Internet. The main promise of ICN is that of shifting the communication ...
  • Bargaining-based mobile data offloading 

    Gao, L.; Iosifidis, G.; Huang, J.; Tassiulas, L.; Li, D. (2014)
    The unprecedented growth of mobile data traffic challenges the performance and economic viability of today's cellular networks and calls for novel network architectures and communication solutions. Data offloading through ...
  • Cache-aware routing in Information-Centric Networks 

    Sourlas, V.; Flegkas, P.; Tassiulas, L. (2013)
    Information-Centric Networking (ICN) has attracted the attention of the research community, which has argued that content, instead of end-points, must be at the center stage of attention. The research issues addressed by ...
  • A converged network architecture for energy efficient mobile cloud computing 

    Tzanakaki, A.; Anastasopoulos, M. P.; Peng, S.; Rofoee, B.; Yan, Y.; Simeonidou, D.; Landi, G.; Bernini, G.; Ciulli, N.; Riera, J. F.; Escalona, E.; Garcia-Espin, J. A.; Katsalis, K.; Korakis, T. (2014)
    Mobile computation offloading has been identified as a key enabling technology to overcome the inherent processing power and storage constraints of mobile end devices. To satisfy the low-latency requirements of content-rich ...
  • Design and implementation of an extensible architecture for the efficient remote access of simple RFID-readers 

    Koutsoubelias, M.; Lalis, S. (2007)
    This paper describes a software architecture for the remote monitoring of warehouses equipped with simple RFID reader devices. Its main design objective is to enable a flexible and efficient integration of resource constrained ...
  • Distributed cache management in information-centric networks 

    Sourlas, V.; Gkatzikis, L.; Flegkas, P.; Tassiulas, L. (2013)
    The main promise of current research efforts in the area of Information-Centric Networking (ICN) architectures is to optimize the dissemination of information within transient communication relationships of endpoints. ...
  • Energy and Spectrum Efficient Parameter Estimation in Wireless Body Sensor Networks 

    Argyriou, A. (2015)
    In this letter we consider the problem of linear distributed estimation (DES) of a random parameter in a wireless body sensor network (BSN). We propose a novel architecture, and an associated optimization model, for DES ...
  • An enhanced memory TSK-type recurrent fuzzy network for real-time classification 

    Stavrakoudis, D. G.; Theocharis, J. B.; Petridis, V.; Giakas, G. (2015)
    An enhanced memory TSK-type recurrent fuzzy network (EM-TRFN) is proposed in this paper, suitable for modeling complex dynamic systems. Feedback connections, formulated using finite impulse response (FIR) synaptic filters, ...
  • Exploiting OpenFlow resources towards a content-centric LAN 

    Choumas, K.; Makris, N.; Korakis, T.; Tassiulas, L.; Ott, M. (2013)
    The efficient utilization of emerging new technologies for the sake of implementing attracting and novel network architectures is a major research challenge. As traditional addressing schemes seem to be rather inefficient ...
  • A low-power VLSI architecture for intra and inter prediction in H.264 

    Koziri, M. G.; Stamoulis, G. I.; Katsvounidis, I. X. (2006)
    The H.264 video coding standard can achieve considerably higher coding efficiency than previous standards. The keys to this high code efficiency are mainly the two prediction modes (Intra & Inter) provided by the standard. ...
  • On-line storage management with distributed decision making for content-centric networks 

    Sourlas, V.; Gkatzikis, L.; Tassiulas, L. (2011)
    Content traffic proliferation in Internet makes more dire than ever the development of radical new network architectures, where information will be addressed by semantic attributes rather than the origin and destination ...
  • Optimization driven multi-hop network design and experimentation: The approach of the FP7 project OPNEX 

    Choumas, K.; Keranidis, S.; Koutsopoulos, I.; Korakis, T.; Tassiulas, L.; Juraschek, F.; Günes, M.; Baccelli, E.; Misiorek, P.; Szwabe, A.; Salonidis, T.; Lundgren, H. (2012)
    The OPNEX project exemplifies system and optimization theory as the foundations for algorithms that provably maximize capacity of wireless networks. The algorithms termed in abstract network models have been converted to ...
  • Pursuing a software defined information-centric network 

    Syrivelis, D.; Parisis, G.; Trossen, D.; Flegkas, P.; Sourlas, V.; Korakis, T.; Tassiulas, L. (2012)
    The areas of Software-Defined Networking (SDN) and Information-Centric Networking (ICN) have gained increasing attention in the wider research community, while gaining credibility through corporate interest and investment. ...
  • Rapid, low-power loop execution in a network of functional units 

    Tziouvaras, A.; Dimitriou, G. (2013)
    The need for high-performance computing and low-power operation has led to the emergence of new processor architectures, with most recent designs based on the combination of multiple cores and multiple threads per core. ...
  • Spatial multiplexing based on distributed antenna arrays for mobile WiMAX networks 

    Papathanasiou, C.; Dimitriou, N.; Tassiulas, L. (2010)
    A novel cell architecture based on Distributed Antenna Arrays for next generation mobile WiMAX systems is proposed. By exploiting Spatial Multiplexing and beamforming techniques, our target is to maximize the throughput ...