CompSysTech’06
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 CONFERENCE OBJECTIVE
The CompSysTech’06 International Conference is organized by THE BULGARIAN
ACADEMIC SOCIETY OF COMPUTER SYSTEMS AND INFORMATION
TECHNOLOGY and its OBJECTIVE is to intensify the information exchange of the
results in theoretical research and practical developments in this field.
CompSysTech’06 is organised under the patronage of:
 EUROPEAN COMMISSION - Directorate-General for Education and Culture;
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Bulgarian State Agency for Information Technology and Communications;
Bulgarian Ministry of Education and Science;
Bulgarian Academy of Sciences;
Bulgarian Union of Automation and Informatics;
Bulgarian Chapter of the Association for Computing Machinery – acmbul;
Bulgarian Chapter of IEEE Computer Society;
Bulgarian Chapter of IEEE Communications Society.
 INTERNATIONAL PROGRAMME COMMITTEE
 Honorary Chair:
Kiril Boyanov, Acad., DSc.
Vassil Sgurev, Acad., DSc.
– Bulgaria
– Bulgaria
 Co-Chairs:
Todor Stoilov, Prof., DSc
– Bulgaria
Boris Rachev, Assoc. Prof., Ph.D. – Bulgaria
 Scientific Secretary:
Dimo Dimov, Assoc. Prof., Ph.D.
– Bulgaria
 Members:
Karl Jones (United Kingdom)
Bozhan Zhechev (Bulgaria)
Yannis Manolopoulos (Greece)
Vladimir Lazarov (Bulgaria)
Melih Inal (Turkey)
Leoneed Kirilov (Bulgaria)
Dencho Batanov (Cyprus)
George Totkov (Bulgaria)
Antanas Zilinskas (Lithuania)
Evgeni Nikolov (Bulgaria)
Joris Michaeli (Israel)
Georgi Todorov (Bulgaria)
Federico Thomas (Spain)
Angel Popov (Bulgaria)
Alexander Sudnitson (Estonia)
Radi Romansky (Bulgaria)
Janis Grundspenkis (Latvia)
Avram Eskenazi (Bulgaria)
Mayer Aladjem (Israel)
Danail Dochev (Bulgaria)
Peter Stanchev (USA)
Gotcho Gotchev (Bulgaria)
Evtim Peytchev (United Kingdom)
Dimo Dimov (Bulgaria)
Amar Ramdane-Cherif (France)
Nikolay Dokev (Bulgaria)
Heinz-Dietrich Wuttke (Germany)
Lidiya Georgieva (Bulgaria)
Jukka Teuhola (Finland)
Tzvetomir Vassilev (Bulgaria)
Ville Leppanen (Finland)
Margarita Todorova (Bulgaria)
Leon Rothkrantz (The Netherlands)
Stanislav Ivanov (Bulgaria)
Constantinos Pattichis (Cyprus)
Juliana Peneva (Bulgaria)
Pavol Navrat (Slovakia)
Atanas Gotchev (Bulgaria)
Antonio Mendes (Portugal)
Grisha Spasov (Bulgaria)
Iliya Georgiev (USA)
Olegas Vasilecas (Lithuania)
Leonid Rozenblyum (USA)
Jorge Ramio (Spain)
Gordon Pace (Malta)
Timo Jarvi (Finland)
Ivan Jelinek (Czech Republic)
Valeriy Naumov (Finland)
Novruz Allahverdi (Turkey)
Pino Caballero-Gil (Spain)
Michael Vassilakopoulos (Greece)
Janusz Jablonowski (Poland)
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CompSysTech’06
 NATIONAL ORGANIZING COMMITTEE
 Co-Chairs:
Angel Smrikarov, Assoc. Prof., Ph.D. – Bulgaria
Bozhan Zhechev, Assoc. Prof., Ph.D. – Bulgaria
Plamen Vatchkov, Assoc. Prof., Ph.D. – Bulgaria
 Members:
Margarita Todorova (Bulgaria)
Emil Bojanov (Bulgaria)
Plamenka Borovska (Bulgaria)
Rumen Nikolov (Bulgaria)
Nayden Vasilev (Bulgaria)
Peter Antonov (Bulgaria)
Anatoliy Antonov (Bulgaria)
Stoyanka Smrikarova (Bulgaria)
Tzvetomir Vasilev (Bulgaria)
Raycho Ilarionov (Bulgaria)
Svetla Radeva (Bulgaria)
Maria Kasheva (Bulgaria)
Daniela Dureva (Bulgaria)
Galina Bogdanova (Bulgaria)
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Thursday 15th June 2006
REGISTRATION
08:30 – 12:30
in the Rectorat in front of hall “Europe”
12:30 – 14:30
in the Rectorat in front of the ceremonial hall
15:00
Rectorat, ceremonial hall
OPENING
WELCOME
Chair: Georgi Todorov
PLENARY SESSION
Chair: Todor Stoilov
Co-chair: Boris Rachev
VISP: a software platform for process automation
in a digital cluster SMEs acting as a Virtual ISP
Eric Mannie-Corbisier, Henri-Jean Pollet
Collaborative knowledge, data and control generation
for real time information and control system
Evtim Peytchev
Benchmarking e-Bulgaria: From measuring to policy-making
Todor Yalamov
17:00
Rectorat, hall of the senate
Meeting of the Members of the National Organizing Committee
with the President
of the Federation of the Scientific and Technical Unions
19:30
Social Evening
in the Restaurant “Iantra”
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SECTION 1
Computer Systems (Hardware)
Chair: Martin Stava
Scientific Secretary: Ivan Kanev
SESSION 1
Friday 16th June 2006
09:00 – 10:00
Building 3, Hall 606
1. 1.
1. 2.
1. 3.
1. 4.
An Approach to Reducing the Number of Instructions for Conditional Branches in
FPGA Based 8 bit RISC SMCore Microcontroller
Ivan Kanev
A Hardware Unit for Backward Propagation of Output Vectors through a
Combinational Circuit with Don’t Care Justification
Martin Stava, Ondrej Novak
Packet Error Rate Recognition for a Noisy Communication Channel
Georgi Naydenov, Petko Soyanov
Introducing the newest Philips’ microcontrollers into secured telemetry wireless
applications.
Boris Ribov
DISCUSSIONS
11:00 – 11:30
Coffee Break
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SECTION 2
Computer Systems (Software)
Chair: Plamenka Borovska
Co-Chair: Olegas Vasilecas
Scientific Secretaries: Irena Valova, Svetlin Petrov
SESSION 1
Friday 16th June 2006
09:00 – 11:00
Building 3, Hall 402
2. 1.
2. 2.
2. 3.
2. 4.
2. 5.
2. 6.
2. 7.
2. 8.
A program system for generalized nets models constructing
Dilyana Budakova, Lyudmil Dakovski
Transferring online formatted HTML layouts into Flash and PDF
Nikolaj Cholakov
Generic modular framework for robotic arm applications
Sergi Hernandez Juan, Josep M. Mirats Tur
Low-level Floating Point Marshalling Between Different Instruction Level
Architectures
Iliya Georgeiv
Bayesian Network Learning for Rare Events
Samuel G. Gerssen, Leon J. M. Rothkrantz
Object-oriented Paradigm as Evolution of Structured approach in Programming
Galina Istatkova
Dynamic Rights in Model-Carrying Code
Sanna Tuohimaa, Mikael Laine, Ville Leppanen
Application of business rules approach in clinical trials
Olegas Vasilecas, Evaldas Lebedys
DISCUSSIONS
11:00 – 11:30
Coffee Break
SESSION 2
Friday 16th June 2006
11:30 – 13:30
Building 3, Hall 402
2. 9.
Business rule based data analysis for decision support and automation
Olegas Vasilecas, Aidas Smaizys
2. 10. Observations on Lack of Cohesion Metrics
Sami Makela, Ville Leppanen
2. 11. Solving the Travelling Salesman Problem in Parallel by Genetic Algorithm on
Multicomputer Cluster
Plamenka Borovska
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2. 12. Rapid Testing Methods in Latvia
Girts Mamontovs, Larissa Zaitseva
2. 13. An Overview of the Agent Based Systems for the Business Process
Management
Janis Grundspenkis, Dmitrij Pozdnyakov
2. 14. Self-organizing map for conceptual modelling
Algirdas Laukaitis, Olegas Vasilecas
2. 15. Parallel Combinatorial Search on Computer Cluster: Sam Loyd’s Puzzle
Plamenka Borovska
2. 16. A Tool for Searching the Semantic Web for Supplies Matching Demands
Zuzana Halanova, Pavol Navrat, Viera Rozinajova
DISCUSSIONS
13:30 – 14:30
Lunch
SESSION 3
Friday 16th June 2006
14:30 – 15:00
Building 3, Hall 402
2. 17. Optimization of the Algorithm for Image Retrieval by Color Features
Irena Valova, Boris Rachev, Michael Vassilakopoulos
2. 18. PLS Traffic Protection
Svetlin Petrov
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SECTION 3-A
Application Aspects
of Computer Systems and Technologies
Chairs: Ludmil Dakovski, Ivan Krivy
Co-Chairs: Naiden Vasilev, Novruz Allahverdi
Scientific Secretaries: Plamen Manoilov, Elena Ivanova
SESSION 1
Friday 16th June 2006
09:00 – 11:00
Building 3, Hall 306
3A. 1. An Example of Determination of Medicine Dose in the Treatment by Fuzzy
Method
Novruz Allahverdi, Ismail Saritas, Ilker Ali Ozkan
3A. 2. Data Performance of Modified Pushout+Ppd Mechanism with Elastic and
Deterministic Traffic Sources with Priorities
Valentin Hristov, Firas Ibrahim
3A. 3. EEG Eye-Blinking Artefacts Power Spectrum Analysis
Plamen Manoilov
3A. 4. EEG Power Spectrum Analysis During Mental Task Performance
Plamen Manoilov
3A. 5. Terminology of Nested Simulation Models
Ivan Krivy, Eugene Kindler
3A. 6. On The Design of Hybrid Fiber-Coax Networks
Emil Stoilov
3A. 7. Note on the Clustering Via Gaussian Mixtures
Dimiter Petrov, Dimiter Tsvetkov
3A. 8. Multi-resolution Triangulation of Scattered Data taken by 3D scanner
Bozhidar Stanchev
DISCUSSIONS
11:00 – 11:30
Coffee Break
SESSION 2
Friday 16th June 2006
11:30 – 13:30
Building 3, Hall 306
3A. 9. About Some Applications of Hidden Markov Model in Intrusion Detection
Systems
Veselina Jecheva
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3A. 10. Web Services Example with PHP/SOAP
Martin Tsenov
3A. 11. Modeling and Execution of Web Service in Internet using Enhydra workflow
platform
Krasimir Trichkov, Elisaveta Trichkova
3A. 12. Bee Hive Metaphor for Web Search
Pavol Navrat
3A. 13. Two-Parameter Logistic IRT Model with Latent Classes
Lyubomir Hristov
3A. 14. Controller Network Data Extracting Protocol - Design and Implementation
Nikolay Kakanakov, Ivan Stankov, Mitko Shopov, Grisha Spasov
3A. 15. A Classifier of Technical Diagnostic States of Electrocardiograph
Lubomir Lahchev, Maya Dimitrova, David Rotger
3A. 16. Synchronized Performance of Multimedia Presentations
Jordan Shterev
DISCUSSIONS
13:30 – 14:30
Lunch
SESSION 3
Friday 16th June 2006
14:30 – 16:30
Building 3, Hall 306
3A. 17. Data Modelling and Specific Rule Generation via DM Techniques
Plamena Andreeva
3A. 18. Comparative Analysis of EJB3 and Spring Framework
Janis Graudins, Larissa Zaitseva
3A. 19. A Parallel Conveyer Algorithm for the Recursive Method of Scanning Mask for
Primary Images Processing
Naiden Vasilev, Atanaska Bosakova-Ardenska
3A. 20. Solution of Optimization Continuous Centre Location Problems as Web Service
Elena Ivanova, Todor Stoilov
3A. 21. Comparison of workflow software products
Krasimira Stoilova, Todor Stoilov
3A. 22. An Algorithm for Computer Synthesis of Pairs of Generalized Mutually
Orthogonal Complementary Signals
Borislav Bedzhev, Zhaneta Savova-Tasheva, Valentin Mutkov
3A. 23. On Approach for Enterprise Ontology Transformation into Conceptual Model
Olegas Vasilecas, Diana Bugaite, Justas Trinkunas
3A. 24. Distributed Automation System based on Java and Web Services
Nikolay Kakanakov, Mitko Shopov, Grisha Spasov
DISCUSSIONS
16:30 – 17:00
Coffee Break
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SESSION 4
Friday 16th June 2006
17:00 – 18:00
Building 3, Hall 306
3A. 25. Tuning classification for prime implicants based learner
Ludmil Dakovski, Zekie Shevked
3A. 26. Testing of Compatibility of Medical Data Bases
Antanas Zilinskas, Audrius Varoneckas
3A. 27. Intelligent Application for Duplication Detection
Plamen Paskalev, Anatoliy Antonov
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SECTION 3-B
Application Aspects
of Computer Systems and Technologies
Chairs: Stoicho Stoichev, Pavol Navrat
Co-Chairs: Lidiya Georgieva, Karl Jones
Scientific Secretaries: Tsvetozar Georgiev, Ivan Simeonov
SESSION 1
Friday 16th June 2006
09:00 – 11:00
Building 3, Hall 406
3B. 1. Interest Rate Financial Instruments - XML Representation and Calculation of
Cash Flow Streams
Sevdalina Trifonova, Svetoslav Kyuchukov
3B. 2. A Method for Computer Design of Families of Generalized Mutually Orthogonal
Complementary Signals
Borislav Bedzhev, Zhaneta Savova-Tasheva, Valentin Mutkov
3B. 3. Computer-mathematical modeling of board oscillations of a military marine
vessel based on the degenerate optimal singular adaptive M3A1 computer
observer– Part I
Lyubomir Sotirov, Nikola Lyutov, Todor Kolarov, Stela Sotirova
3B. 4. Computer-mathematical modeling of board oscillations of a military marine
vessel based on the degenerate optimal singular adaptive M3A1 computer
observer – Part II
Lyubomir Sotirov, Nikola Lyutov, Todor Kolarov, Stela Sotirova
3B. 5. Optimisation of an intelligent ASP.NET user interface
Plamen Paskalev, Georgi Panayotov
3B. 6. Wavelet-based analysis of simulated network traffic
Mitko Gospodinov, Evgeniya Gospodinova
3B. 7. Signature verification via hand-pen motion investigation
Mladen Savov, Georgi Gluhchev, Ognjan Bumbarov
3B. 8. Comparison of Genetic Algorithms and Particle Swarm Optimisation for
Fermentation Feed Profile Determination
Karl O. Jones
DISCUSSIONS
11:00 – 11:30
Coffee Break
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SESSION 2
Friday 16th June 2006
11:30 – 13:30
Building 3, Hall 406
3B. 9. Risk Simulation in Project Management System
Anatoliy Antonov, Vladimir Nikolov, Yanka Yanakieva
3B. 10. Protein Structure Models for Determining Protein Structure Similarity
Stoicho D. Stoichev, Dobrinka Petrova
3B. 11. A Virtual Instrument for Automobiles’ Fuel Consumption Investigation
Tsvetozar Georgiev
3B. 12. Tutorial System for Work Security and Health in SMEs According to the
European Union Directives
Rodica Mihalca, Adina Uta, Anca Andronescu, Iulian Intorsureanu
3B. 13. Avoiding IP Fragmentation at the Transport Layer of the OSI Reference Model
Delian Genkov, Raycho Ilarionov
3B. 14. Avoiding the IP Fragmentation Process at the Application Layer of the OSI
Reference Model
Delyan Genkov, Raycho Ilarionov
3B. 15. Geometric-Morphological Method for Artifact Noise Isolation in the Image
Periphery by a Contour Evolution Tree
Dimo Dimov, Alexander Marinov
3B. 16. Harmonic methods for solid noise filtering from the image periphery
Dimo Dimov, Nadezhda Zlateva
13:30 – 14:30
Lunch
SESSION 3
Friday 16th June 2006
14:30 – 16:30
Building 3, Hall 406
3B. 17. Simulation Tool for Multicriteria Auctions in Transportation and Logistics
Domain
Egons Lavendelis, Janis Grundspenkis
3B. 18. A Tool for Searching the Semantic Web for Supplies Matching Demands
Zuzana Halanova, Pavol Navrat, Viera Rozinajova
3B. 19. Acquiring, Organising and Presenting Information and Knowledge from the
Web
Pavol Navrat, Maria Bielikova, Viera Rozinajova
3B. 20. Analysis of the Benchmark while Extracting Data from Database or XML File for
Different Platforms
Ognian Nakov, Desislava Petrova
3B. 21. A Method for Leather Quality Determination using Fuzzy Neural Networks
Kaloyan Krastev, Lidiya Georgieva
3B. 22. System of Speaker Identification Independent of Text for Romanian Language
based on Gaussian Mixture Models extract from the MFCC vectors
Marieta Gata, Gavril Toderean
3B. 23. Decision Support for Water Quality Management
Emil Bournaski, Leoneed Kirilov, Rossen Iliev, Ivan Diadovski
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3B. 24. Embedded system for short-term weather forecasting
Ivan Simeonov, Hristo Kilifarev, Raycho Ilarionov
DISCUSSIONS
16:30 – 17:00
Coffee Break
SESSION 4
Friday 16th June 2006
17:00 – 17:30
Building 3, Hall 406
3B. 25. Distributed Simulation over Network of Workstations
Hristo Valchanov, Nadezhda Ruskova, Trifon Ruskov
3B. 26. Developing E-Learning System
Ileana Adina Uta
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SECTION 4
Educational Aspects
of Computer Systems and Technologies
Chair: Juliana Peneva
Co-chair: Douglas Harms
Scientific Secretaries: Anelia Ivanova, Evgeniya Georgieva
SESSION 1
Friday 16th June 2006
09:00 – 11:00
Building 3, Hall 302
4. 1.
4. 2.
4. 3.
4. 4.
4. 5.
4. 6.
4. 7.
4. 8.
Techniques to Introduce Historical Computers into the Computer Science
Curriculum
Douglas Harms
Two-Level Multiple-Output Combinational Networks Design Web-based Tutoring
Tool
Vladimir Mateev
Towards Mobile University Campuses
Rositsa Doneva, Nikolaj Kasakliev, George Totkov
A Teaching in Operating Systems Tool
Tzanko Golemanov, Emilia Golemanova
BEST: New Lessons Module Logic
Daniel Denev, Rositsa Doneva, George Totkov
E-Learning Usability: An Mathematical Approach to the Estimation of Learners
Valentina Terzieva, Yuri Pavlov, Rumen Andreev
Assessment models in e-learning environments
Daniela Dureva, Georgi Tuparov
Views Of Academics On Academic Impropriety: Work In Progress
Karl O. Jones, Juliet M. V. Reid, Rebecca Bartlett
DISCUSSIONS
11:00 – 11:30
Coffee Break
SESSION 2
Friday 16th June 2006
11:30 – 13:30
Building 3, Hall 302
Utilization of UML in Bulgarian SME – Possible Training Strategies
Juliana Peneva, Stanislav Ivanov, Georgi Tuparov
4. 10. Changes in Computer Science Teaching at Warsaw University
Janusz Jablonowski
4. 9.
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CompSysTech’06
4. 11. Variant of the WEB-based System for Electronic Distance Learning SEDL
Raicho Ilarionov, Hristo Karailiev, Vladimir Karailiev
4. 12. Test Control Module of the WEB-based system SEDL
Hristo Karailiev, Raicho Ilarionov, Vladimir Karailiev
4. 13. How to teach programming language to novice students? Lecturing or not?
Asrun Matthiasdottir
4. 14. A Framework of Software Process for Interactive Training Simulators
Anelia Ivanova
4. 15. A model of an ontologically based e-Learning environment
Hristo Tuzharov, Chavdar Marchev
4. 16. Tools to support initial programming learning
Antonio Jose Mendes, Maria Jose Marcelino
DISCUSSIONS
13:30 – 14:30
Lunch
SESSION 3
Friday 16th June 2006
14:30 – 15:30
Building 3, Hall 302
4. 17. A Comparison Analysis of Mobile Learning Systems
Evgeniya Georgieva
4. 18. The Role of the Internet in Computer-Aided Education
Ilker Ali Ozkan, Ismail Saritas, Suleyman Sulak, Novruz Allahverdi
4. 19. Implementation of an E-Learning System to Enhance Local Competences
Antonella Reitano, Alessandro Astorino
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SECTION 5
For PhD Students
Chair: Vladimir Lazarov
Co-chair: Ivan Jelinek
Scientific Secretaries: Galina Ivanova, Vladimir Karailiev
SESSION 1
Friday 16th June 2006
09:00 – 11:00
Building 3, Hall 706
5. 1.
5. 2.
5. 3.
5. 4.
5. 5.
5. 6.
5. 7.
5. 8.
The recognition of emotions from speech using GentleBoost classifier. A
comparison approach
Dragos Datcu, Leon J.M. Rothkrantz
Formal Specification of Business Components – a Design by Contract
Perspective
Anca Ioana Andronescu, Oana Muntean
A survey on authorization and delegation
Isaac Agudo
Classification and Recognition of Neume Note Notation in Historical Documents
Lasko Laskov
An algorithm for automatic assignment of reviewers to papers
Yordan Kalmukov
Constructing Knowledge for Automated Text-Based Emotion Expressions
Siska Fitrianie, Leon J.M. Rothkrantz
Recursive Estimation of Dynamic Time Varying Demand Models
Alexander Efremov
Modelling of Adaptive Hypermedia Systems
Martin Balik, Ivan Jelinek
DISCUSSIONS
13:30 – 14:30
Lunch
SESSION 3
Friday 16th June 2006
14:30 – 16:30
Building 3, Hall 706
5. 9.
Functional dependencies and points of intersection between the mechanisms for
providing guaranteed QoS
Vanya Topalova
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5. 10. Peer-to-Peer Semantic Search Engine
Tomas Havryluk, Ivan Jelinek
5. 11. A model of Object Oriented Class for Extraction and Use of Data Cube Unit
Information
Antoaneta Ivanova, Valya Chotukova
5. 12. Adaptive Web based on Semantic Model
Radek Jun, Ivan Jelinek
5. 13. Analyses of Web-based Systems for Electron Distant Learning
Raicho Ilarionov, Vladimir Karailiev
5. 14. Applicability of Use-Case Modeling for Virtual Learning Environments
Galina Ivanova
5. 15. A Model of a New e-Learning Shell Authoring Tool
Tsvetan Hristov
DISCUSSIONS