VŠB–TU Ostrava, FEECS, Department of Computer Science Charles University in Prague, MFF, Department of Software Engineering Czech Technical University in Prague, FEE, Department of Computer Science Czech Society for Cybernetics and Informatics Proceedings of the Dateso 2013 Workshop Databases, Texts Specifications, and Objects 2013 http://www.cs.vsb.cz/dateso/2013/ http://www.ceur-ws.org/Vol-971/ Group Amphor Sc. ARG AMPHORA RESEARCH GROUP Supported by http://www.mirlabs.org/ http://arg.vsb.cz/ieee-smc/ April 17 – 19, 2013 Pı́sek DATESO 2013 c V. Snášel, K. Richta, J. Pokorný, 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 VŠB – Technical University of Ostrava Faculty of Electrical Engineering and Computer Science Department of Computer Science Page count: 158 Impression: 150 Edition: 1st First published: 2013 This proceedings was typeset by PDFLATEX. Cover design by Pavel Moravec (pavel.moravec@vsb.cz) and Tomáš Skopal. Printed and bound in Ostrava, Czech Republic by TiskServis Jiřı́ Pustina. Published by VŠB – Technical University of Ostrava FEECS, Department of Computer Science 17. listopadu 15, 708 33 Ostrava-Poruba, 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 Václav Snášel (chair) VŠB-Technical University of Ostrava, Ostrava Jaroslav Pokorný Charles University, Prague Karel Richta Czech Technical University, Prague Peter Vojtáš Charles University, Prague Michal Krátký VŠB-Technical University of Ostrava, Ostrava Tomáš Skopal Charles University, Prague Pavel Moravec VŠB-Technical University of Ostrava, Ostrava Irena Mlynková Charles University, Prague Michal Valenta Czech Technical University, Prague Pavel Loupal Czech Technical University, Prague Martin Nečaský Charles University, Prague Jiřı́ Dvorský VŠB-Technical University of Ostrava, Ostrava Radim Bača VŠB-Technical University of Ostrava, Ostrava Tomáš Knap Charles University, Prague Pavel Strnad Czech Technical University, Prague Ondřej Macek Czech Technical University, Prague Organizing Committee Pavel Moravec VŠB-Technical University of Ostrava, Ostrava Yveta Geletičová VŠB-Technical University of Ostrava, Ostrava Preface DATESO 2013, the international workshop on current trends on Databases, In- formation Retrieval, Algebraic Specification and Object Oriented Programming, was held on April 17 – 19, 2013 in Pı́sek. The 13th year was organized by Department of Computer Science VŠB- Technical University Ostrava, Department of Software Engineering MFF UK Praha, Department of Computer Science and Engineering FEL ČVUT Praha, and Working group on Computer Science and Society of Czech Society for Cyber- netics and Informatics. The DATESO workshops aim for strengthening connec- tions between these various areas of informatics, particularly this year, Sematic Web, semistructured data, social networks, and formal specifications. The proceedings of DATESO 2013 are also available at DATESO Web site: http://www.cs.vsb.cz/dateso/2013/ and CEUR Workshop Proceeding site: http://www.ceur-ws.org/Vol-971/ (ISSN 1613-0073). The Program Commit- tee selected 14 papers (7 full papers and 7 posters) from 21 submissions, based on two independent reviews. We wish to express our sincere thanks to all the authors who submit- ted 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 and Amphora Research Group (ARG, http://www.cs.vsb.cz/arg/) for preparation of workshop proceedings. Special thanks belong to Czech Society for Cybernetics and Informatics April, 2013 V. Snášel, K. Richta, J. Pokorný (Eds.) Table of Contents Full Papers On Estimation of the Spatial Clustering: Case Study of Epidemiological Data In Olomouc Region, Czech Republic . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Lukáš Marek, Vı́t Pászto, Jiřı́ Dvorský, Pavel Tuček Towards a Runtime Code Update in Java . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Marcel Hlopko, Jan Kurš, Jan Vraný Are Shape Metrics Useful for a Geocomputation? CORINE Land-Cover Analysis Case Study . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Vı́t Pászto, Lukáš Marek, Pavel Tuček QuickXDB: A Prototype of a Native XML DBMS . . . . . . . . . . . . . . . . . . . . . 36 Petr Lukáš, Radim Bača, Michal Krátký Efficient in-memory data structures for n-grams indexing . . . . . . . . . . . . . . . 48 Daniel Robenek, Jan Platoš, Václav Snášel P system based model of passenger flow in public transportation systems: a case study of Prague Metro . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59 Zbyněk Janoška, Jiřı́ Dvorský How can formalization of SOA help in finding solutions for IT systems . . . 70 Zdeněk Skřivánek, Karel Richta Short papers Comparative Summarization via Latent Dirichlet Allocation . . . . . . . . . . . . 80 Michal Campr, Karel Jezek Using Retinex and SVD Algorithms for Detection of Frayed Edge in Steel Plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 Michal Holiš, Martin Plaček, Jiřı́ Dvorský, Jan Martinovič, Pavel Moravec Application of Relative Derivation Terms by Polynomial Neural Networks 98 Ladislav Zjavka Evolution of Co-Authors Communities Formed by Terms on DBLP . . . . . . 109 Alisa Babskova, Pavla Dráždilová, Jan Martinovič, Václav Svatoň, Václav Snášel A Linguistic Method into Stemming of Arabic for Data Compression . . . . 119 Hussein Soori, Jan Platoš, Václav Snášel Searching Time Series Based On Pattern Extraction Using Dynamic Time Warping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 Tomáš Kocyan, Jan Martinovič, Pavla Dráždilová, Kateřina Slaninová On Updating in XML Peer-to-Peer Databases . . . . . . . . . . . . . . . . . . . . . . . . 139 Adam Šenk, Michal Valenta Author Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149