• Article  

      Abductive concept learning 

      Kakas, Antonis C.; Riguzzi, F. (2000)
      We investigate how abduction and induction can be integrated into a common learning framework. In particular, we consider an extension of Inductive Logic Programming (ILP) for the case in which both the background and the ...
    • Article  

      Adaptive congestion protocol: A congestion control protocol with learning capability 

      Lestas, Marios; Pitsillides, Andreas; Ioannou, Petros A.; Hadjipollas, George (2007)
      There is strong evidence that the current implementation of TCP will perform poorly in future high-speed networks. To address this problem many congestion control protocols have been proposed in literature which, however, ...
    • Conference Object  

      Adaptive connection admission and flow control: quality of service with high utilisation 

      Pitsillides, Andreas; Lambert, Jim (IEEE, 1994)
      In this paper, we use adaptive feedback and adaptive feedforward control methodologies to avoid congestion at high server utilisation. This addresses the combined connection admission and flow control problem (generic ...
    • 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 ...
    • Conference Object  

      Adaptive high-end microprocessor for power-performance efficiency 

      Trancoso, Pedro (2006)
      Microprocessor development costs are considerably high. To minimize these costs, manufacturers produce a single design that better satisfies, in average, a wide range of applications. Nevertheless, as applications have ...
    • Article  

      Adaptive scheduling over a wireless channel under constrained jamming 

      Fernández Anta, Antonio; Georgiou, Chryssis; Zavou, Elli (2015)
      We consider a wireless channel between a single pair of stations (sender and receiver) that is being “watched” and disrupted by a malicious, adversarial jammer. The sender’s objective is to transmit as much useful data as ...
    • Conference Object  

      AKAMAS: Mining association rules using a new algorithm for the assessment of the risk of coronary heart events 

      Karaolis, Minas A.; Moutiris, Joseph Antoniou; Papaconstantinou, L.; Pattichis, Constantinos S. (2009)
      Many algorithms have been developed for rule mining in large transaction databases. Discovery of some important association rules is a main database mining problem. The objective of this study was to develop a new data ...
    • Doctoral Thesis  Open Access

      An algorithm agnostic framework for the evaluation and learning of robust classifiers for data under uncertainty 

      Charalambous, Elisavet A. (Πανεπιστήμιο Κύπρου, Πολυτεχνική Σχολή / University of Cyprus, Faculty of Engineering, 2020-05)
      Η Μηχανική Εκμάθηση (ΜΕ) χρησιμοποιείται σε αυξανόμενο αριθμό προβλημάτων εξαιτίας των δυνατοτήτων ταξινόμησης και ομαδοποίησης, σε ένα ευρύ φάσμα εφαρμογών στην επιστήμη, τη μηχανική, τις κοινωνικές επιστήμες και τις ...
    • Article  

      An Algorithm for Global Maximization of Secrecy Rates in Gaussian MIMO Wiretap Channels 

      Loyka, S.; Charalambous, Charalambos D. (2015)
      Optimal signaling for secrecy rate maximization in Gaussian MIMO wiretap channels is considered. While this channel has attracted a significant attention recently and a number of results have been obtained, including the ...
    • Conference Object  

      An Algorithm for the Selection of Physical System Model Order Based on Desired State Accuracy and Computational Efficiency 

      Sendur, P.; Peng, H.; Stein, J. L.; Louca, Loucas S. (American Society of Mechanical Engineers (ASME), 2003)
      In recent years, algorithms have been developed to help automate the production of dynamic system models, The focus of this development has been to create procedures and algorithms that use modeling metrics for generating ...
    • Conference Object  

      Algorithmic mechanisms for internet supercomputing under unreliable communication 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A. (2011)
      This work, using a game-theoretic approach, considers Internet-based computations, where a master processor assigns, over the Internet, a computational task to a set of untrusted worker processors, and collects their ...
    • Conference Object  

      Algorithmic mechanisms for internet-based master-worker computing with untrusted and selfish workers 

      Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A. (2010)
      We consider Internet-based master-worker computations, where a master processor assigns, across the Internet, a computational task to a set of untrusted worker processors, and collects their responses
    • Article  

      Algorithmic mechanisms for reliable crowdsourcing computation under collusion 

      Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A.; Pareja, D. (2015)
      We consider a computing system where a master processor assigns a task for execution to worker processors that may collude. We model the workers' decision of whether to comply (compute the task) or not (return a bogus ...
    • Article  

      Algorithmic mechanisms for reliable master-worker internet-based computing 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A. (2014)
      We consider Internet-based master-worker computations, where a master processor assigns, across the Internet, a computational task to a set of untrusted worker processors, and collects their responses. Examples of such ...
    • Doctoral Thesis  Open Access

      Algorithms and indexing structures for spatial big data 

      Costa, Constantinos E. (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2018-07)
      Ζούμε στην εποχή των μεγάλων δεδομένων, όπου παράγονται ετερογενή δεδομένα τα οποία αποθηκεύονται με εκθετικό ρυθμό. Τα παραδοσιακά συστήματα διαχείρισης δεδομένων δεν είναι ικανά να συλλέγουν, να διαχειρίζονται και να ...
    • Conference Object  

      Altitude and velocity tracking control for an airbreathing hypersonic cruise vehicle 

      Huo, Y.; Mirmirani, M.; Ioannou, Petros A.; Kuipers, M. (2006)
      This paper describes an adaptive linear quadratic (ALQ) altitude and velocity tracking control algorithm for the longitudinal model of a generic airbreathing hypersonic flight vehicle hypersonic flight vehicle. The vehicle ...
    • Conference Object  

      Application of artificial neural networks in the prediction of earnings 

      Falas, Tasos; Charitou, Andreas; Charalambous, Chris (IEEE, 1994)
      The feasibility of using artificial neural networks (ANNs) for predicting future earnings by stock market and capital market investors was evaluated. A multilayer perceptron feedforward neural network architecture with an ...
    • Conference Object  

      Application of feature extractive algorithm to bankruptcy prediction 

      Charalambous, Chris; Charitou, Andreas; Kaourou, Froso (IEEE, 2000)
      This study uses the feature selection algorithm proposed by Setiono and Liu to select the most relevant features for the bankruptcy prediction problem. The method uses a feedforward neural network with one hidden layer to ...
    • Article  

      Applying the dynamics of evolution to achieve reliability in master-worker computing 

      Christoforou, Evgenia; Fernández Anta, Antonio; Georgiou, Chryssis; Mosteiro, Miguel A.; Sánchez, A. (2013)
      We consider Internet-based master-worker task computations, such as SETI@home, where a master process sends tasks, across the Internet, to worker processes
    • Article  

      Assessment of the risk factors of coronary heart events based on data mining with decision trees 

      Karaolis, Minas A.; Moutiris, Joseph Antoniou; Hadjipanayi, Demetra; Pattichis, Constantinos S. (2010)
      Coronary heart disease (CHD) is one of the major causes of disability in adults as well as one of the main causes of death in the developed countries. Although significant progress has been made in the diagnosis and treatment ...