Now showing items 161-180 of 1952

    • Article  

      Informalizing Formal Logic 

      Kakas, Antonis (2019)
      This paper presents a way in which formal logic can be understood and reformulated in terms of argumentation that can help us unify formal and informal reasoning. Classical deductive reasoning will be expressed entirely ...
    • Conference Object  

      MULTI-WEAR: A multi-wearable platform for enhancing mobile experiences 

      Pamboris, Andreas; Andreou, Panayiotis; Herodotou, Herodotos; Samaras, George (2018)
      The uptake of wearable technology suggests that the time is ripe to explore new opportunities for improving mobile experiences. Apps, however, are not keeping up with the pace of technological advancement because wearables ...
    • Conference Object  

      The Difference Neuron — a new spiking Neuron Model that learns 

      Kanev, Jacob; Koutsou, Achilleas; Christodoulou, Chris; Obermayer, Klaus; Node, German Neuroinformatics (Bernstein Network Computational Neuroscience, 2018)
    • Article  

    • Book Chapter  

      Monitor and Knob Techniques in Network-on-Chip Architectures 

      Zoni, Davide; Englezakis, Panayiotis; Chrysanthou, Kypros; Canidio, Andrea; Prodromou, Andreas; Panteli, Andreas; Nicopoulos, Chrysostomos; Dimitrakopoulos, Giorgos; Sazeides, Yiannakis; Fornaciari, William (Springer International Publishing, 2019)
      This chapter proposes and analyzes two autonomous, hardware-based monitor/knob solutions for Network-on-Chip (NoC) architectures, which operate at the micro-architectural level. The two proposed techniques tackle power and ...
    • Article  

      Cognitive Argumentation for Human Syllogistic Reasoning 

      Saldanha, Emmanuelle-Anna Dietz; Kakas, Antonis (2019)
      This paper brings together work from the psychology of reasoning and computational argumentation in AI to propose a cognitive computational model for human reasoning and in particular for human syllogistic reasoning. The ...
    • Conference Object  

      Eye Gaze-driven Prediction of Cognitive Differences during Graphical Password Composition 

      Katsini, Christina; Fidas, Christos; Raptis, George E.; Belk, Marios; Samaras, George; Avouris, Nikolaos (Association for Computing Machinery, 2018)
      Evidence suggests that individual cognitive differences affect users' memorability, visual behavior, and graphical passwords' security. Such knowledge denotes the added value of personalizing graphical password schemes ...
    • Article  

      Two-stage approach for risk estimation of fetal trisomy 21 and other aneuploidies using computational intelligence systems 

      Neocleous, A. C.; Syngelaki, A.; Nicolaides, K. H.; Schizas, Christos N. (2018)
      Objective To estimate the risk of fetal trisomy 21 (T21) and other chromosomal abnormalities (OCA) at 11–13 weeks' gestation using computational intelligence classification methods. Methods As a first step, a training ...
    • Article  

      Proposal for an eHealth Based Ecosystem Serving National Healthcare 

      Schiza, Eirini C.; Kyprianou, Theodoros C.; Petkov, Nicolai; Schizas, Christos N. (2019)
      The European Union (EU)'s keen concern about citizens' health and well-being advancement has been expressed at all levels. It has been understood that at present, these can only be achieved through coordinated actions at ...
    • Conference Object  

      Influences of Human Cognition and Visual Behavior on Password Strength during Picture Password Composition 

      Katsini, Christina; Fidas, Christos; Raptis, George E.; Belk, Marios; Samaras, George; Avouris, Nikolaos (Association for Computing Machinery, 2018)
      Visual attention, search, processing and comprehension are important cognitive tasks during a graphical password composition activity. Aiming to shed light on whether individual differences on visual behavior affect the ...
    • Conference Object  

      Integrating Machine Learning with Symbolic Reasoning to Build an Explainable AI Model for Stroke Prediction 

      Prentzas, Nicoletta; Nicolaides, Andrew; Kyriacou, Efthyvoulos; Kakas, Antonis; Pattichis, Constantinos (2019)
      Despite the recent recognition of the value of Artificial Intelligence and Machine Learning in healthcare, barriers to further adoption remain, mainly due to their "black box" nature and the algorithm's inability to explain ...
    • Book Chapter  

      Helping Forensic Analysts to Attribute Cyber-Attacks: An Argumentation-Based Reasoner 

      Karafili, Erisa; Wang, Linna; Kakas, Antonis C.; Lupu, Emil (Springer International Publishing, 2018)
    • Conference Object  

      Towards Multipolicy Argumentation 

      Bassiliades, Nick; Spanoudakis, Nikolaos I.; Kakas, Antonis C. (Association for Computing Machinery, 2018)
      In this paper, we develop a novel computational argumentation framework for resolving conflicts that arise in a community of multiple stakeholders where each one of them bears a private policy/strategy for shared and ...
    • Article  

      On Argumentation Logic and Propositional Logic 

      Kakas, Antonis C.; Mancarella, Paolo; Toni, Francesca (2018)
      This paper studies the relationship between Argumentation Logic (AL), a recently defined logic based on the study of argumentation in AI, and classical Propositional Logic (PL). In particular, it shows that AL and PL are ...
    • Conference Object  

      Leveraging CPU Electromagnetic Emanations for Voltage Noise Characterization 

      Hadjilambrou, Zacharias; Das, Shidhartha; Antoniades, Marco A.; Sazeides, Yiannakis (2018)
      Worst-case dI/dt voltage noise is typically characterized post-silicon using direct voltage measurements through either on-package measurement points or on-chip dedicated circuitry. These approaches consume expensive pad ...
    • Article  

      GORGIAS: Applying argumentation 

      Kakas, Antonis C.; Moraitis, Pavlos; Spanoudakis, Nikolaos I. (2019)
      This paper presents the past and present efforts of developing real-life applications of argumentation with the Gorgias preference-based structured argumentation framework of Logic Programming with Priorities . Since its ...
    • Conference Object  

      To Detect or to Correct? 

      Bramnik, Arkady; Sazeides, Yiannakis (2018)
      This paper reviews state of art techniques used to protect memory arrays in processors against errors. We discuss the strength and weakness of various techniques and explain how to lessen some of their limitations. We also ...
    • Conference Object  

      Fast Estimations of Failure Probability Over Long Time Spans 

      Noltsis, Michail; Englezakis, Panayiotis; Maragkoudaki, Eleni; Nicopoulos, Chrysostomos; Rodopoulos, Dimitrios; Catthoor, Francky; Sazeides, Yiannakis; Zoni, Davide; Soudris, Dimitrios (Association for Computing Machinery, 2018)
      Shrinking of device dimensions has undoubtedly enabled the very large scale integration of transistors on electronic chips. However, it has also brought to surface time-zero and time-dependent variation phenomena that ...
    • Article  

      Sensing CPU Voltage Noise Through Electromagnetic Emanations 

      Hadjilambrou, Zacharias; Das, Shidhartha; Antoniades, Marco A.; Sazeides, Yiannakis (2018)
      This work proposes sensing CPU voltage noise through wireless electromagnetic (EM) emanations from the CPU. Compared to previous voltage monitoring methodologies, this approach is not intrusive as it does not require direct ...
    • Conference Object  

      GeST: An Automatic Framework For Generating CPU Stress-Tests 

      Hadjilambrou, Zacharias; Das, Shidhartha; Whatmough, Paul N; Bull, David; Sazeides, Yiannakis (2019)
      This work presents GeST (Generator for Stress-Tests): a framework for automatically generating CPU stress-tests. The framework is based on genetic algorithm search and can be used to maximize different target CPU metrics ...