• Article  

      Adaptive control for a class of large scale non-linear systems 

      Xu, H.; Ioannou, Petros A.; Mirmirani, M. D. (2005)
      The design of stabilizing controllers for multi-input multi-output (MIMO) non-linear plants with unknown non-linearities is a challenging problem. The inability to identify the non-linearities on-line or off-line accurately ...
    • Conference Object  

      A case study of a virtual audience in a reconstruction of an ancient Roman odeon in Aphrodisias 

      Cain, K.; Chrysanthou, Yiorgos L.; Niccolucci, F.; Silberman, N. (Association for Computing Machinery, Inc, 2005)
      The benefits of including virtual humans into cultural heritage reconstructions are twofold: the realism of architectural models is increased by populating them
    • Article  

      Dynamic monitoring of taxi demand profiles, utilizing location-specific information in large metropolitan areas 

      Dimitriou, Loukas; Christodoulou, Christina; Kourti, Elena; Christodoulou, Symeon E. (2016)
      Urban mobility, especially in Metropolitan Areas has drawn the attention of scientists for many decades. As increasing volumes of urban data are captured and become available, new opportunities arise for data-driven analysis ...
    • Article  

      Enhancing the creativity process by adding context awareness in creativity support tools 

      Sielis, George A.; Tzanavari, Aimilia; Papadopoulos, George Angelos (2009)
      The existence of creativity support tools establishes creativity as part of the Computer Science research. Therefore, the development of computational methods for the enhancement of creativity is undoubtedly a challenge. ...
    • Article  

      Fullsphere irradiance factorization for real-time all-frequency illumination for dynamic scenes 

      Michael, D.; Chrysanthou, Yiorgos L. (2010)
      Computation of illumination with soft-shadows from all-frequency environment maps, is a computationally expensive process. Use of pre-computation add the limitation that receiver's geometry must be known in advance, since ...
    • Article  

      A general resource framework for real-time systems 

      Lee, I.; Philippou, Anna; Sokolsky, O. (2004)
      The paper describes a formal framework for designing and reasoning about resource-constrained systems. The framework is based on a series of process algebraic formalisms which have been previously developed to describe and ...
    • Conference Object  

      Identification of key locations based on online social network activity 

      Efstathiades, Hariton; Antoniades, Demetris; Pallis, George C.; Dikaiakos, Marios D. (Association for Computing Machinery, Inc, 2015)
      Ubiquitous Internet connectivity enables users to update their Online Social Network profile from any location and at any point in time. These, often geo-tagged, data can be used to provide valuable information to closely ...
    • Article  

      Intein-mediated site-specific conjugation of Quantum Dots to proteins in vivo 

      Charalambous, Anna; Andreou, Maria I.; Skourides, Paris A. (2009)
      We describe an intein based method to site-specifically conjugate Quantum Dots (QDs) to target proteins in vivo. This approach allows the covalent conjugation of any nanostructure and/or nanodevice to any protein and thus ...
    • Article  

      Managing and monitoring elastic cloud applications 

      Trihinas, Demetris; Sofokleous, Chrystalla; Loulloudes, Nicholas; Foudoulis, Athanasios; Pallis, George C.; Dikaiakos, Marios D. (2014)
      Next generation Cloud applications present elastic features and rapidly scale their comprised resources. Consequently, managing and monitoring Cloud applications is becoming a challenge. This paper showcases the functionality ...
    • Conference Object  

      Mimicking the bird flocking behavior for controlling congestion in sensor networks 

      Antoniou, Pavlos Ch.; Pitsillides, Andreas; Engelbrecht, A.; Blackwell, T. (2010)
      This study deals with the problem of congestion in wireless sensor networks (WSNs) and proposes a robust and self-adaptable nature-inspired congestion control approach for realtime event-based applications. WSNs face ...
    • Article  

      Quality control for structural credit risk models 

      Andreou, Elena; Ghysels, Eric (2008)
      Over the last four decades, a large number of structural models have been developed to estimate and price credit risk. The focus of the paper is on a neglected issue pertaining to fundamental shifts in the structural ...
    • Conference Object  

      Real-time web crawler detection 

      Balla, A.; Stassopoulou, Athena; Dikaiakos, Marios D. (2011)
      In this paper we present a methodology for detecting web crawlers in real time. We use decision trees to classify requests in real time, as originating from a crawler or human, while their session is ongoing. For this ...
    • Conference Object  

      Towards planet-scale localization on smartphones with a partial radiomap 

      Konstantinidis, Andreas; Chatzimilioudis, Georgios; Laoudias, Christos; Nicolaou, Silouanos; Zeinalipour-Yazdi, Constantinos D. (2012)
      The majority of smartphone localization systems use Assisted-GPS for fine-grained localization in outdoor spaces or WiFi-based RSS (Received Signal Strength) technologies for coarse-grain positioning in indoor and outdoor ...
    • Conference Object  

      An upper and a lower bound for tick synchronization 

      Mavronicolas, Marios (1992)
      The tick synchronization problem is defined and studied in the semi-synchronous complete network with n processes. An algorithm for the tick synchronization problem enables each process to make an estimate of real time ...