Charles University in Prague, MFF, Department of Software Engineering Czech Technical University in Prague, FIT, Dept. of Software Engineering
VˇSB–TU Ostrava, FEECS, Department of Computer Science Czech Society for Cybernetics and Informatics
Proceedings of the Dateso 2015 Workshop Databases, Texts
Specifications, and Objects
2015
http://www.cs.vsb.cz/dateso/2015/
http://www.ceur-ws.org/Vol-1343/
April 14 – 16, 2015
Nepˇr´ıvˇ ec u Sobotky, Jiˇ c´ın, Czech Republic
DATESO 2015
c M. Neˇcask´y, J. Pokorn´y, P. Moravec, editors
This work is subject to copyright. All rights reserved. Reproduction or publication of this material, even partial, is allowed only with the editors’ permission.
Technical editor:
Pavel Moravec,pavel.moravec@vsb.cz VˇSB – Technical University of Ostrava
Faculty of Electrical Engineering and Computer Science Department of Computer Science
Page count: 141 Edition: 1st First published: 2015
This proceedings was typeset by PDFLATEX.
Cover design by Pavel Moravec (pavel.moravec@vsb.cz) and Tom´aˇs Skopal.
Originally published under ISBN 978-80-7378-285-6 by MATFYZPRESS publishing house of Faculty of Mathematics and Physics, Charles University, Sokolovsk´a 83, 186 75 Praha 8 – Karl´ın, Czech Republic as its 479th publication.
Steering Committee
V´aclav Sn´aˇsel VˇSB-Technical University of Ostrava, Ostrava Karel Richta Czech Technical University, Prague
Jaroslav Pokorn´y Charles University, Prague
Program Committee
Martin Neˇcask´y (chair) Charles University, Prague
Wolfgang Benn Technische Universit¨at Chemnitz, Chemnitz, Germany V´aclav Sn´aˇsel VˇSB-Technical University of Ostrava, Ostrava
Jaroslav Pokorn´y Charles University, Prague
Karel Richta Czech Technical University, Prague Michal Valenta Czech Technical University, Prague Vojtˇech Sv´atek University of Economics, Prague Peter Vojt´aˇs Charles University, Prague
Duˇsan H´usek Inst. of Computer Science, Academy of Sciences, Prague Michal Kr´atk´y VˇSB-Technical University of Ostrava, Ostrava
Pavel Moravec VˇSB-Technical University of Ostrava, Ostrava Irena Holubov´a Charles University, Prague
Jiˇr´ı Dvorsk´y VˇSB-Technical University of Ostrava, Ostrava Radim Baˇca VˇSB-Technical University of Ostrava, Ostrava Jan Martinoviˇc VˇSB-Technical University of Ostrava, Ostrava Pavel Strnad Czech Technical University, Prague
Ondˇrej Macek Czech Technical University, Prague Robert Pergl Czech Technical University, Prague Martin Kruiˇs Czech Technical University, Prague
Organizing Committee
Martin Neˇcask´y (chair) Charles University, Prague Jakub Kl´ımek Charles University, Prague
Pavel Moravec VˇSB-Technical University of Ostrava, Ostrava
Preface
DATESO 2015, the international workshop on current trends on Databases, In- formation Retrieval, Algebraic Specification and Object Oriented Programming, was held on April 14 – 16, 2015 in Nepˇr´ıvˇec u Sobotky, Jiˇc´ın, Czech Republic.
The 15th year was organized by Department of Software Engineering MFF UK Praha, Department of Software Engineering, FIT ˇCVUT Praha, Department of Computer Science VˇSB-Technical University Ostrava, and Working group on Computer Science and Society of Czech Society for Cybernetics and Informat- ics. The DATESO workshops aim for strengthening connections between these various areas of informatics.
The proceedings of DATESO 2015 are also available at DATESO Web site:
http://www.cs.vsb.cz/dateso/2015/ and CEUR Workshop Proceeding site:
http://www.ceur-ws.org/Vol-1343/ (ISSN 1613-0073). The Program Com- mittee selected 12 papers (8 full and 4 short papers) from 19 submissions, based on two independent reviews.
We wish to express our sincere thanks to all the authors who submitted papers, the members of the Program Committee, who reviewed them on the basis of originality, technical quality, and presentation. We are also thankful to the Organizing Committee. Special thanks belong to Czech Society for Cybernetics and Informatics.
Our thanks go also to Pavel Moravec who, as copy editor of DATESO Pro- ceedings, helped to prepare this volume and provided technical support for the conference preparation portal.
April, 2015 M. Neˇcask´y, J. Pokorn´y, P. Moravec (Eds.)
Table of Contents
Full Papers
Dynamic Local Scheduling of Multiple DAGs in Distributed
Heterogeneous Systems . . . 1 Ondˇrej Votava, Peter Macejko, Jan Janeˇcek
Data Structures for Indexing Triple Table. . . 13 Roman Meca, Michal Kr´atk´y, Peter Chovanec, Filip Kˇriˇzka
Vocabulary for Linked Data Visualization Model. . . 28 Jakub Kl´ımek, Jiˇr´ı Helmich
Parallel Approach to Context Transformations. . . 40 Michal Vaˇsinek, Jan Platoˇs
Methodologies and Best Practices for Open Data Publication. . . 52 Jan Kuˇcera, Duˇsan Chlapek, Jakub Kl´ımek, Martin Neˇcask´y
Introduction to Optical Music Recognition: Overview and Practical
Challenges . . . 65 Jiˇr´ı Novotn´y, Jaroslav Pokorn´y
Critical Evaluation of Existing External Sorting Methods in the
Perspective of Modern Hardware. . . 77 Martin Kruliˇs
Procedural Code Representation in a Flow Graph. . . 89 Michal Brabec, David Bedn´arek
Short papers
Biased k-NN Similarity Content Based Prediction of Movie Tweets
Popularity . . . 101 Ladislav Peˇska, Peter Vojt´aˇs
UnifiedViews: Towards ETL Tool for Simple yet Powerfull RDF Data
Management . . . 111 Tom´aˇs Knap, Petr ˇSkoda, Jakub Kl´ımek, Martin Neˇcask´y
Aspect-oriented User Interface Design for Android Applications. . . 121 Jiˇr´ı ˇSebek, Karel Richta
A Survey on Music Retrieval Systems Using Microphone Input . . . 131 Ladislav Marˇs´ık, Jaroslav Pokorn´y, Martin Ilˇc´ık
