WSEAS Trans. on SYSTEMS, April 2003

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					                                WSEAS TRANSACTIONS
                                    on SYSTEMS
                                         Issue 2, Volume 2, April 2003
                                                        ISSN 1109-2777

Guest Editors:
D. Iracleous                             Nadia Nedjah          Luiza de Macedo Petr Ekel
                                                               Mourelle
Military Institutes of Univ.Education,   State University of Rio de Janeiro,       Post Graduate Program in
Hellenic Naval Academy,                  Sao Francisco Xavier, 524, 5o,            Electrical Engineering,
Hatzikyriakou, 18539,                    Rio de Janeiro, Brazil                    Pontifical Catholic
Piraeus, Greece                                                                    University of Minas Gerais,
                                                                                   Brazil.
Editor-in-Chief:
N.E.Mastorakis
Military Institutes of Univ.Education,
Hellenic Naval Academy,
Hatzikyriakou, 18539,
Piraeus,
Greece
        PAPERS
Building Ontology Repositories for E-Commerce Systems                                                        241
Jianming Yong, Yun Yang, Jun Yan

Co-operative Inter-Company Planning and Engineering in Plant Production based on a Service-Oriented          246
Architecture
Jan Woerner, Jochen Keitel, Thomas Laengle, Heinz Woern

Accommodations of QoS DiffServ Over IP and MPLS Networks                                                     252
Abdullah Alwehaibi, Anjali Agarwal, Michael Kadoch and Ahmed Elhakeem

Approaches and challenges for guaranteeing quality of service in next generation Internet                    258
Zoubir Mammeri

Impacts of the Use of Information Technology in Supporting Remote Team Work: A Case Study                    264
Joao Pedro Albino, Nicolau Reinhard

IT infrastructure: standards and flexibility                                                                 270
Seppo Sirkemaa

Win-Win Scenario for Corporate Communications Using QoS-Enabled Internet VPN                                 276
Stanislav Milanovic

The Efficacy of E-Procurement to Businesses: Lessons Learnt from Malaysian Industries                        281
Noor raihan Ab hamid and Zaifuddin Majid

Method for Performance Analysis of Web-Caching Hierarchical Structures                                       287
Marco Antonio S. Barbosa, Carlos Augusto P.S. Martis

A neural network applied to map and to compute overvoltages related to lightning in power systems            296
André Nunes de Souza, Fernando Carneiro L. Amaral,Ivan Nunes da Silva,Maria Goretti Zago
Statistical and Neural Network Modeling and predictions of Tides in the Shallow Waters of the Gulf of         301
Mexico
Alexey L. Sadovski, Phillippe Tissot, Patrick Michaud, Carl Steidley

Defensive Programming for Safety-Critical Systems                                                             307
Jorge R. de Almeida Jr., Selma S. S. Melnikoff, João B. de Camargo Jr., Benício José de Souza

Modified RSD Analog Digital Converter with BIST Technology                                                    313
Radimir Vrba, Ivo Vecera, Jan Ludvik

A Couple of Advanced MI Applications                                                                          316
Matjaz Gams

A Rough Sets Based Classifier for Induction Motors Fault Diagnosis                                            320
Erik Bonaldi, Luiz Eduardo Borges da Silva, Germano Lambert-Torres, Levy de Oliveira

Active Power Filter For Harmonic Current Compensation Using The Id-Iq Control Method Without PLL              328
And With The Best Transient Time
Levy Oliveira, Luiz Silva, Valberto Silva, Germano Torres, Erik Bonaldi

Performance Analysis of Binary and Quaternary Modulations                                                     334
Rausley Souza, Sandro Fasolo, César d´Avila

On the commutation process of capacitor commutated converter (CCC)                                            339
Angelo J. J. Rezek; Adriana A. S. Izidoro; Jocélio S. Sá

Development of a Digital Electronic Transformer Turn Ratio (TTR)                                              345
José Manuel Esteves Vicente; Angelo José Junqueira Rezek; Carlos Alberto Mohallem Guimarães; Antônio
Tadeu Lyrio de Almeida.

Computer generation of Generalized Numerical Ranges of Linear Operators in Indefinite Inner Product           348
Spaces
N. Bebiano, J. da Providência Jr. and J. da Providência

Adjoint Transformations In OTA-C Filters Using Nullors                                                        354
Tlelo-Cuautle E., Díaz-Méndez A.

A simulation and a study of random walks                                                                      358
M.Hamada

Three Dimensional Modeling of a Virtual Medical Office in a Medical Area                                      366
R. A. Farias, l. M. Brasil, i. M. L. Araújo, C. B. Mélo

Ensembles of Support Vector Machines for Classification Tasks with Reduced Training Sets                      370
Clodoaldo Lima, André Coelho, Fernando Von Zuben

A Second Generation Low-Voltage Current Conveyor                                                              376
Juan Lopez-Hernandez, Jose Alejandro Diaz-Mendez and Alejandro Diaz-Sanchez

Image Processing Noise Removal using a Cellular Neural Network                                                380
Jan Ludvik - Radimir Vrba

An Application of Artificial Neural Networks in Brake Light Design for the Automobile Industry                384
Antonio Vanderlei Ortega, Ivan Nunes Da Silva

Map-based variable rate applicator of liquid fertilizers based on artificial neural networks identification   390
techniques
José Alfredo Ulson, Roberta S. Ulson, André N. de Souza, Ivan N. da Silva

Wavelet-based Solution to Time-Dependent Two-Point Initial Boundary value Problems with Non-                  396
Periodic Boundary Conditions Involving Advection
Rajiv Nekkanti

A Transformational Approach for Legacy Systems' Evolution                                                 407
Maseud Rahgozar, Farhad Oroumchian

Analysis of a Decoding Approach for Goppa Codes                                                           413
Lirida Alves de Barros Naviner and Zouhair Belkoura

Automatic Evolution of Legacy Data Objects                                                                417
Maseud Rahgozar, Farhad Oroumchian

On level-compatible algebra functions and their transformers                                              423
Zhuhan Jiang

Testing the efficacy of an intrusion signature representation model                                       431
Eurípedes Laurindo Lopes Júnior, Luciano Bernardes de Paula, Adriano Mauro Cansian

AISF - A Proposal for Standard Intrusion Signature Representation                                         435
Artur Renato Araujo da Silva, Marcelo de Souza, Adriano Mauro Cansian

A Distance Learning Tool for Teaching Parallel Computing                                                  439
Rafael De Sousa, Alexandre Martins, Gustavo Ishihara, Ricardo Puttini, Robson Albuquerque

Dealing with Security within DEEPSIA Project                                                              444
Francisco Milagres, Edson Moreira, João Pimentão, Pedro Sousa, Adolfo Garção

Difficulties to transport digital certificates in active networks                                         453
Flavio Silva, Emilio Yamane, Rodrigo Campiolo, Joao Sobral

Components Specification for Modeling Wireless IEEE 802.11 Networks                                       456
Geovane Vitor Vasconcelos, Joberto Sérgio Barbosa Martins and Maria Izabel Cavalcanti Cabral

Corrections to "Finite Time Synchronization of Lorenz-based Chaotic                                       462
Systems"
Leonardo Acho Zuppa

Adaptive Synchronization of Chaotic Lorenz Systems and Masking System Design                              463
Leonardo Acho Zuppa

An Efficient Directory Structure for the Large Scale Linux cluster File system based on Sun               465
Yong-Ju Lee, Choon-Seo Park, Hag-Young Kim

Visual Tracking based on Orthonormal Series Representation                                                471
H. Tairi, T. Sliwa, Y. Voisin, A. Diou, L. Radouane

Nonlinear Mean Analog Filters                                                                             478
Rogelio De Jesus Repegrina, Alejandro Diaz Sanchez

An Intelligent Distributed System Applied on Automated Lift System                                        482
Jes Cerqueira, Arnaldo de Jesus, Eduardo Dantas, Carlos Henrique Pereira, Gabriel Albuquerque, Madalena
Frisch

Regularization Algorithms for Electric Tomography Images Reconstruction                                   487
Alexandre Grebennikov

48-Pulse Based SSSC (Static Synchronous Series Compensator), an Evaluation of its Performance             493
R.L.V. Arnez, L.C. Zanetta

An Investigation of TCSC and Load Dynamics Influence on Power System Inter-Area Mode Oscillations         499
Adriana F. Domingues, Vivaldo F. Da Costa, Luiz C.P. Silva

Co-design architecture for Reconfigurable Assembly Platforms                                        505
Jose L. Martinez Lastra, Reijo Tuokko




                         WSEAS UPCOMING CONFERENCES (2003)
                                 http://www.worldses.org
4th WSEAS Multiconference in Applied Mathematics, Malta, September 1-3, 2003
   4th WSEAS International Conference on APPLIED MATHEMATICS (SYMPOSIA on: Linear Algebra
and Applications, Numerical Analysis and Applications, Differential Equations and Applications,
Probabilities, Statistics, Operational Research, Optimization, Algorithms, Discrete Mathematics, Systems,
Communications, Control, Computers, Education). All the papers will be published in WSEAS TRANS. ON
MATHEMATICS.

3rd WSEAS Conferences: IMCCAS, ISA, SOSM, Malta, September 1-3, 2003
   3rd WSEAS Int. Conf. on INSTRUMENTATION, MEASUREMENT, CONTROL, CIRCUITS and
SYSTEMS (IMCCAS 2003)
   3rd WSEAS Int. Conf. on INFORMATION SCIENCE AND APPLICATIONS (ISA 2003)
   3rd WSEAS Int. Conf. on SOFT COMPUTING, OPTIMIZATION, SIMULATION &
MANUFACTURING SYSTEMS (SOSM 2003)

New York, USA. Web Multiconference (all the accepted papers will be published in WSEAS
TRANSACTIONS), Sept.14-17, 2003
  5th WSEAS Int.Conf. on ALGORITHMS, SCIENTIFIC COMPUTING, MODELLING AND
SIMULATION (ASCOMS '03)
  5th WSEAS Int.Conf. on TELECOMMUNICATIONS AND INFORMATICS (TELE-INFO'03)
  2nd WSEAS Int.Conf. on APPLICATIONS OF ELECTRICAL ENGINEERING (AEE '03)

Rethymna Beach, Crete Island, Greece, October 13-15 and 17-19
   3rd WSEAS Int. Conf. on SIMULATION, MODELLING AND OPTIMIZATION (ICOSMO 2003)
   3rd WSEAS Int. Conf. on SIGNAL, SPEECH AND IMAGE PROCESSING (ICOSSIP 2003)
   3rd WSEAS Int. Conf. on MULTIMEDIA, INTERNET AND VIDEO TECHNOLOGIES
   3rd WSEAS Int. Conf. on ROBOTICS, DISTANCE LEARNING AND INTELLIGENT
COMMUNICATION SYSTEMS (ICRODIC 2003)
   3rd WSEAS Int. Conf. on NANOELECTRONICS, NANOENGINEERING and
ELECTROMAGNETIC COMPATIBILITY (ICONNEMC 2003)
   5th WSEAS Int. Conf. on MATHEMATICS AND COMPUTERS IN PHYSICS (MCP 2003)
   5th WSEAS MECHANICAL ENGINEERING MULTICONFERENCE (MEM 2003)

Tenerife, Canary Islands, Spain, December 19-21, 2003
   4th WSEAS International Conference on MATHEMATICS AND COMPUTERS IN BIOLOGY AND
CHEMISTRY (MCBC'03) with special emphasis on: BIOENGINEERING, MOLECULAR BIOLOGY,
MATHEMATICAL BIOLOGY, BIOCHEMISTRY, BIOPHYSICS, COMPUTER BIOLOGY,
BIOLOGICAL DYNAMICAL SYSTEMS,
   4th WSEAS International Conference on MATHEMATICS AND COMPUTERS IN BUSINESS AND
ECONOMICS (MCBC'04) (theoretical, mathematical, computational, statistical, experimental methods for
ECONOMICS, BUSINESS and MANAGEMENT science and applications)
   4th WSEAS International Conference on AUTOMATION & INFORMATION (ICAI'03)
   4th WSEAS International Conference on ACOUSTICS, MUSIC, SPEECH and LANGUAGE
PROCESSING (ICAMSL 2003) (former Acoustics and Music: Theory and Applications).

				
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