Czech Technical University in Prague, FIT, Dept. of Software Engineering Charles University in Prague, MFF, Department of Software Engineering VŠB–TU Ostrava, FEECS, Department of Computer Science Czech Society for Cybernetics and Informatics Proceedings of the Dateso 2014 Workshop Databases, Texts Specifications, and Objects 2014 http://www.cs.vsb.cz/dateso/2014/ http://www.ceur-ws.org/Vol-1139/ Group Amphor Sc. ARG AMPHORA RESEARCH GROUP April 16 – 18, 2014 Roudnice nad Labem DATESO 2014 c J. Pokorný, K. Richta, V. Snášel, 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: Adam Šenk, senkadam@fit.cvut.cz and Pavel Moravec, pavel.moravec@vsb.cz Page count: 108 Impression: 50 Edition: 1st First published: 2014 This proceedings was typeset by PDFLATEX. Cover design by Pavel Moravec (pavel.moravec@vsb.cz) and Tomáš Skopal. Printed and bound in Prague, Czech Republic by Česká technika – nakladatelstvı́ ČVUT. Published by Czech Technical University in Prague FIT, Department of Software Engineering Thákurova 9, 160 00 Prague 6, Czech Republic Steering Committee Václav Snášel VŠB-Technical University of Ostrava, Ostrava Karel Richta Czech Technical University, Prague Jaroslav Pokorný Charles University, Prague Program Committee Michal Valenta (chair) Czech Technical University, Prague Wolfgang Benn Technische Universität Chemnitz, Chemnitz, Germany Václav Snášel VŠB-Technical University of Ostrava, Ostrava Jaroslav Pokorný Charles University, Prague Karel Richta Czech Technical University, Prague Vojtěch Svátek University of Economics, Prague Peter Vojtáš Charles University, Prague Dušan Húsek Inst. of Computer Science, Academy of Sciences, Prague Michal Krátký VŠB-Technical University of Ostrava, Ostrava Pavel Moravec VŠB-Technical University of Ostrava, Ostrava Irena Holubová Charles University, Prague Martin Nečaský Charles University, Prague Jiřı́ Dvorský VŠB-Technical University of Ostrava, Ostrava Radim Bača VŠB-Technical University of Ostrava, Ostrava Jan Martinovič VŠB-Technical University of Ostrava, Ostrava Pavel Strnad Czech Technical University, Prague Ondřej Macek Czech Technical University, Prague Robert Pergl Czech Technical University, Prague Martin Kruiš Czech Technical University, Prague Organizing Committee Pavel Moravec VŠB-Technical University of Ostrava, Ostrava Adam Šenk Czech Technical University, Prague Alena Libánská Czech Technical University, Prague Preface DATESO 2014, the international workshop on current trends on Databases, In- formation Retrieval, Algebraic Specification and Object Oriented Programming, was held on April 16 – 18, 2014 in Roudnice nad Labem. The 14th year was organized by Department of Software Engineering, FIT ČVUT Praha, Department of Computer Science VŠB-Technical University Os- trava, Department of Software Engineering MFF UK Praha, and Working group on Computer Science and Society of Czech Society for Cybernetics and Informa- tics. The DATESO workshops aim for strengthening connections between these various areas of informatics. The proceedings of DATESO 2014 are also available at DATESO Web site: http://www.cs.vsb.cz/dateso/2014/ and CEUR Workshop Proceeding site: http://www.ceur-ws.org/Vol-1139/ (ISSN 1613-0073). The Program Com- mittee selected 9 papers (6 full and 3 short papers) from 11 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, 2014 J. Pokorný, K. Richta, V. Snášel (Eds.) Table of Contents Full Papers Towards a Harmonic Complexity of Musical Pieces . . . . . . . . . . . . . . . . . . . . 1 Ladislav Maršı́k, Jaroslav Pokorný, Martin Ilčı́k INTLIB – an INTelligent LIBrary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Irena Holubová, Tomáš Knap, Vincent Krı́ž, Martin Nečaský, Barbora Vidová-Hladká Spatial Clustering of Disease Events Using Bayesian Methods . . . . . . . . . . . 25 Lukáš Marek, Vı́t Pászto, Pavel Tuček, Jiřı́ Dvorský Performance Analysis of the Activation Neuron Function in the Flexible Neural Tree Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Tomáš Buriánek, Sebastián Basterrech Ternary Tree Optimalization for n-gram Indexing . . . . . . . . . . . . . . . . . . . . . 47 Daniel Robenek, Jan Platoš, Václav Snášel EEG signals similarity based on compression . . . . . . . . . . . . . . . . . . . . . . . . . 59 Michal Prı́lepok, Jan Platoš, Václav Snášel Short papers Exploiting HTML5 Technologies for Distributed Parasitic Web Storge . . . 71 Martin Kruliš, Zbyněk Falt, Filip Zavoral An Application of Process Mining by Sequence Alignment Methods to the SAP Invoice Process Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Jakub Štolfa, Svatopluk Štolfa, Kateřina Slaninová, Jan Martinovič QuickDB – Yet Another Database Management System? . . . . . . . . . . . . . . . 91 Radim Bača, Peter Chovanec, Michal Krátký, Petr Lukáš Author Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100