Now showing items 1-20 of 26

  • Opening the Black Box: Alternative Search Drivers for Genetic Programming and Test-based Problems 

    Krawiec, Krzysztof (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    Test-based problems are search and optimization problems in which candidate solutions interact with multiple tests (examples, fitness cases, environments) in order to be evaluated. The approach conventionally adopted in ...
  • Nature-Inspired Algorithms in Real-World Optimization Problems 

    Bujok, Petr; Tvrdik, Josef; Polakova, Radka (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    Eight popular nature inspired algorithms are compared with the blind random search and three advanced adaptive variants of differential evolution (DE) on real-world problems benchmark collected for CEC 2011 algorithms ...
  • An Experimental Study on Competitive Coevolution of MLP Classifiers 

    Castellani, Marco; Lalchandani, Rahul (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    This paper investigates the effectiveness and efficiency of two competitive (predator-prey) evolutionaryprocedures for training multi-layer perceptron classifiers: Co-Adaptive Neural Network Training, and a modifiedversion ...
  • Bubble Captcha - A Start of the New Direction of Text Captcha Scheme Development 

    Bostik, Ondrej; Horak, Karel; Klecka, Jan (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    CAPTCHA, A Completely Automated Public Turing test to tell Computers and Humans Apart, iswell-known system widely used in all sorts of internet services around the world designated to secure the webfrom an automatic malicious ...
  • Genetic Algorithm for Independent Job Scheduling in Grid Computing 

    Younis, Muhanad Tahrir; Yang, Shengxiang (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    Grid computing refers to the infrastructure which connects geographically distributed computers ownedby various organizations allowing their resources, such as computational power and storage capabilities, to beshared, ...
  • SOMA Network Model Based on Native Visibility Graph 

    Tomaszek, Lukas; Zelinka, Ivan (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    In this article, we want to propose a new model of the network for analyzing the evolution algorithms.We focus on the graph called native visibility graph. We show how we can get a time series from the run ofthe self-organizing ...
  • Finding Multiple Solutions of Multimodal Optimization Using Spiral Optimization Algorithm with Clustering 

    Sidarto, Kuntjoro Adji; Kania, Adhe; Sumarti, Novriana (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    Multimodal optimization is one of the interesting problems in optimization which arises frequently in a widerange of engineering and practical applications. The goal of this problem is to find all of optimum solutions in ...
  • The Computational Power of Neural Networks and Representations of Numbers in Non-Integer Bases 

    Sima, Jiri (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    We briefly survey the basic concepts and results concerning the computational power of neural net-orks which basically depends on the information content of eight parameters. In particular, recurrent neural networks with ...
  • Document Clustering using Self-Organizing Maps 

    Rafi, Muhammad; Waqar, Muhammad; Ajaz, Hareem; Ayub, Umar; Danish, Muhammad (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    Cluster analysis of textual documents is a common technique for better ltering, navigation, under-standing and comprehension of the large document collection. Document clustering is an autonomous methodthat separate out ...
  • Information Security Risk Assessment Model Based on Computing with Words 

    Tymchuk, Oleg; Iepik, Maryna; Sivyakov, Artyom (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    The basis for company IT infrastructure security is information security risks assessment of IT services. The increased complexity, connectivity and rapid changes occurring in IT services make it impossible to apply ...
  • Optimization of Personnel Cost in Aircrew Assignment Problem using a Simple Fuzzy Logic Approach 

    Sumarti, Novriana; Chandra, Ferdyanto; Minardi, Jeremy (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    In aviation industries, the aircrew assignment problem is one of the most important factors in total operational cost optimization. This problem will be solved in two steps: flight pairing and aircrew scheduling. The ...
  • A Numerical Characterization of the Nanoparticles Distribution on the Surface of a Semiconductor 

    Rudolfova, Zdena; Hoderova, Jana (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    The motivation for this work was to qualitatively describe the distribution of Au nanoparticles on the surface of a semiconductor. We discuss suitable mathematical characteristics which allow the uniform distribution to ...
  • Decision Algorithm for Heuristic Donor-Recipient Matching 

    Namatevs, Ivars; Aleksejeva, Ludmila (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    This paper introduces the application of artificial intelligence paradigm towards precision medicine in renal transplantation. The match of the optimal donor-recipient pair in kidney transplantation in Latvian Transplant ...
  • Shift Scheduling of Short Time Workers in Large-Scale Home Improvement Center by using Cooperative Evolution 

    Ohki, Makoto (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    There are a lot of large-scale Home Improvement Center (HIC) in Japan. In the large-scale HIC,about hundred short time workers are registered. And about forty workers are working every day. A managercreates a monthly shift ...
  • Data Scaling by Differential Evolution for FCA over Data from LMS eLogika 

    Kermaschek, Jakub; Drazdilova, Pavla; Mensik, Marek (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    The e-learning system eLogika serves for teaching logic. The system collects data about users who arelogged in, e.g. time spent on a particular activity, the number of activities performed by particular students, whatdata ...
  • Function Set Structure Influence onto GPA Efficiency 

    Brandejsky, Tomas (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    The paper discusses the influence of function set structure onto efficiency of GPA (Genetic Programming Algorithms), and hierarchical algorithms like GPA-ES (GPA with Evolutionary Strategy to separate parameter optimization) ...
  • Heuristic Approaches to Stochastic Quadratic Assignment Problem: VaR and CVar Cases 

    Matousek, Radomil; Popela, Pavel; Kudela, Jakub (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    The goal of this paper is to continue our investigation of the heuristic approaches of solving thestochastic quadratic assignment problem (StoQAP) and provide additional insight into the behavior of di erentformulations ...
  • Dynamic of Firework Algorithm Analyzed with Complex Network 

    Kadavy, Tomas; Pluhacek, Michal; Viktorin, Adam; Senkerik, Roman (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    In this paper, a visualization of Firework Algorithm (FWA) inner dynamics as an evolving complex network is presented. Recent research in unconventional controlling and simulation of metaheuristic dynamics shows that this ...
  • Using Complex Network Visualization and Analysis for Uncovering the Inner Dynamics of PSO Algorithm 

    Pluhacek, Michal; Senkerik, Roman; Viktorin, Adam; Kadavy, Tomas; Zelinka, Ivan (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    In this study, we construct a complex network from the inner dynamic of Particle Swarm Optimization algorithm. The subsequent analysis of the network promises to provide useful information for better understanding the ...
  • Detection of Emergent Situations in Complex Systems by Structural Invariant (MB, M) 

    Bila, Jiri; Novak, Martin (Institute of Automation and Computer Science, Brno University of Technology, 2017-06-01)
    The paper introduces complete description of the detection method that uses structural invariant Matroid and its Bases (MB, M). There are recapitulated essential concepts from the used knowledge field as “complex system, ...