| Vol-567 urn:nbn:de:0074-567-1 Copyright © 2010 for the individual papers by the papers' authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors.

# DATESO 2010
Databases, Texts, Specifications, Objects 2010

### Proceedings of the Dateso 2010 Annual International Workshop on DAtabases, TExts, Specifications and Objects

### Stedronin-Plazy, Czech Republic, April 21, 2010.

Edited by

### Jaroslav Pokorny #
Vaclav Snasel *
Karel Richta +

# Department of Software Engineering, MFF, Charles University, Prague, Czech Republic
* Amphora Research Group, Department of Computer Science, FEECS, VSB-Technical University of Ostrava, Ostrava, Czech Republic
+ Department of Computer Science and Engineering, FEE, Czech Technical University in Prague, Prague, Czech Republic

## Table of Contents

- Cover
- Preface and frontmatter

### Full papers

1. Parametrised Hausdorff Distance as a Non-Metric Similarity Model for Tandem Mass Spectrometry 1-12
   Jiri Novak, David Hoksza
2. Two-step Modified SOM for Parallel Calculation 13-21
   Petr Gajdos, Pavel Moravec
3. Answering Metric Skyline Queries by PM-tree 22-37
   Tomas Skopal, Jakub Lokoc
4. A Framework for Efficient Design, Maintaining, and Evolution of a System of XML Applications 38-49
   Martin Necasky, Irena Mlynkova
5. Reconstructing Social Networks from Emails 50-59
   Marcel Kvassay, Michal Laclavik, Stefan Dlugolinsky
6. Efficient Implementation of XPath Processor on Multi-Core CPUs 60-71
   Martin Krulis, Jakub Yaghob
7. Fast Fibonacci Encoding Algorithm 72-83
   Jiri Walder, Michal Kratky, Jan Platos
8. iXUPT: Indexing XML Using Path Templates 84-95
   Tomas Bartos, Jan Kasarda
9. Reverse-engineering of XML Schemas: A Survey 96-107
   Jakub Klimek, Martin Necasky
10. Evolving Quasigroups by Genetic Algorithms 108-117
    Vaclav Snasel, Jiri Dvorsky, Eliska Ochodkova, Pavel Kromer, Jan Platos, Ajith Abraham
11. Using Spectral Clustering for Finding Students' Patterns of Behavior in Social Networks 118-130
    Gamila Obadi, Pavla Drazdilova, Jan Martinovic, Katerina Slaninova, Vaclav Snasel

### Posters

12. Deferred Node-copying Scheme for XQuery Processors 131-138
    Jan Kurs, Jan Vrany
13. Denotational Semantics of the XML-lambda Query Language 139-146
    Pavel Loupal, Karel Richta
14. Modeling and Verification of Priority Assignment in Real-Time Databases Using Uppaal 147-154
    Martin Kot
15. Testing Quasigroup Identities using Product of Sequence 155-162
    Eliska Ochodkova, Jiri Dvorsky, Vaclav Snasel, Ajith Abraham

### Invited papers

16. Database Trends and Directions: Current Challenges and Opportunities (invited paper) 163-174
    George Feuerlicht
17. Content-based Retrieval of Compressed Images (invited paper) 175-185
    Gerald Schaefer

- Author index

The whole proceedings can also be downloaded as a single file (pdf).

03-May-2010: submitted by Jaroslav Pokorny and Pavel Moravec
03-May-2010: published on CEUR-WS.org