TABLE OF CONTENTS -- PREFACE FOR THE PROCEEDINGS OF THE INTERNATIONAL CONFERENCE OF COMPUTATIONAL METHODS IN SCIENCES GREECE AND ENGINEERING (ICCMSE 2003), SEPTEMBER 12-16, KASTORIA, -- 1. P. Abad, Components for Time Serie Receiver Clock Offset in GPS Solutions -- 1. Motivation and Introduction -- 2. Two-Corrections models to solve the equations systems -- 3. Conclusions -- References -- 2. E. Afjei, M. H. Arbab, Magnetostatic Field Analysis by Employing Absorbing Boundary Condition -- Problem Description & Development -- The governing equations are -- Numerical Analysis -- 3. Z. Akdogan, M. Demirci and O. Sh. Mukhtarov, Sturm-Liouville Problems with Eigendependent Boundary and Transmissions Conditions -- References -- 4. T. M. Alkhamis, Computational Method for Unconstrained Optimization Functions with Noise -- 1. Guidelines -- Main Step -- References -- 5. M. Al-Refai, Convergence Analysis for an Iterative Method for Solving Nonlinear Parabolic Systems -- 6. G. M. Amiraliyev, Unform Numerical Method for a Quasilinear System with Boundary Layer -- 1. Introduction -- 2. Analytical Results -- 3. Discretization and Non-uniform Mesh -- 4. Uniform Convergence -- 5. Numerical Results -- References -- 7. Z. A. Anastassi and T. E. Simos, A Family of Optimized Runge-Kutta Methods with Five Stages and Fourth Order for IVPS with Oscillating Solutions -- 8. R Anguelov, P. Kama and JM-S Lubuma, Nonstandard Theta-Method and Related Discrete Schemes for the Reaction-Dirusion Equation -- References -- 9. O. Angulo, J. C. Lopez-Marcos, Numerical Integration of a Size-Structured Cell Population Model in an Environment of Changing Substrate Concentration -- Acknowledgements -- References.

10. I. Arregui, J. J. Cendan and C. Vazquez, A Duality Method for the Compressible Reynolds Equation. Application to Simulation of Readwrite Process in Magnetic Storage Devices -- 11. F. Balibrea, J. L. C. Guirao and F. L. Pelayo, An Environment for Computing Topological Entropy for Skew-Product Transformations -- The scenario: -- An interesting application: -- References -- 12. P. G. Bagos, Th. D. Liakopoulos and S. J. Hamodrakas, Maximum Likelihood and Conditional Maximum Likelihood Learning Algorithms for Hidden Markov Models with Labeled Data-Application to Transmembrane Protein Topology Prediction -- 1. Introduction -- 1.1. Hidden Markov Models -- 1.2 Maximum Likelihood training -- 2. Labeled sequences and learning algorithms -- 2.1. Labeled Sequences -- 2.2. Discriminative training -- 2.3 Maximum Likelihood (ML) gradient descent method for labeled sequences -- 3. Transmembrane protein topology prediction -- 3.1. Data sets and topology of the model -- 3.2. Results and Discussion -- References -- 13. M. K. Banda, Variants of Relaxed Schemes and two-Dimensional Gas Dynamaics -- 1. Introduction -- 1.1. Space Discretization -- 2. Extensions to Relaxed Schemes -- 2.1. More Accurate Speeds of Propagation -- 2.2. Multidimensional Schemes -- 3. Numerical Tests -- 4. Summary -- References -- 14. S. C. Basak, B. D. Cute and D. Mills, Predicting Toxicity of Chemicals Using Chemodescriptors and Biodescriptors: an Integrated Approach -- 15. S. R. Basu, Measuring Economic Well-Being and Governance: Some Methodological Tools -- 16. F. A. Batzias, N. P. Nikolaou, A. S. Kakos and 1. Mihailides, Modelling the Natural Gas Consumption in a Changing Environment -- 1. Introduction -- 2. Methodology -- 3. Implementation and Results -- 4. Supplementary Information by Statistical Analysis -- 5. Conclusions and Recommendations -- Acknowledgments -- References.

17. F. A. Batzias, A. S. Kakos and N. P. Nikolaou, Computer Aided Dimensional Analysis for Knowledge Management in Chemical Engineering Processes -- 1. Introduction -- 2. Methodology -- 3. Implementation -- 4. Discussion -- 5. Conclusions -- 6. Acknowledgments -- References -- Appendix -- 18. L. Bayon, J. M. Grau, M. M. Ruiz and P. Suarez,New Developments on Equivalent Thermal in Hydrothermal Optimization. An Algorithm of Approximation -- 1. Introduction -- 2. New Theoretical Developments -- 3. An Algorithm of Approximation -- References -- 19. Di. Belkif Unique Virtues of the Pad& Approximant for High-Resolution Signal Processing -- 20. Y. S. Boutalis and O. I. Kosmidou, A Feedback Linearization Technique by Using Neural Networks: Application to Bioprocess control -- REFERENCES -- 21. J. C. Butcher, Some Numerical Methods for Stiff Problems -- 1. Introduction -- 2. A-stable implicit Runge-Kutta methods -- 3. A-stable general linear methods with the IRKS property -- 22. E. Camouzis, R. Devault, G. Papaschinopoulos, Period Two Trichotomy on -- 23. P. Carbonniere, D. Begue, A. Dargelos and C. Pouchan, Least Squares Fits of Potentials by Using Energy and Gradient Data: Vibrational Anharmonic Spectra for H2Co @om DFT Calculations -- 1. Introduction -- 2. Method -- 3. Example of (E-G) method : application and tests for H2C0 -- References -- 24. G. Castellano, A. M. Fanelli and C. Mencar, Deriving Prediction Intervals for Neurofuzzy Networks -- 1. Introduction -- 2. A neuro-fuzzy network -- 3. Prediction interval derivation -- 4. 'Illustrative example -- 5. Conclusions -- References -- 25. M. M. Cerimele, D. Mansutti and F. Pistella, Marangoni Efsects in a Horizontal Solidjkation Process in Microgravity -- Acknowledgments -- References.

26. C. S. Chew, K. S. Yeo and C. Shu, Simulation of Incompressible Flows Across Moving Bodies Using Meshless Finite Difrerencing -- References -- 27. A. Chortaras, Y. Guo, M. M. Ghanem, F. O. Bunnin, Automatic Generation of Software Components for Real Options Modelling -- 1. Introduction -- 2. System Design -- 3. Conclusions -- References -- 28. V. N. Christofilakis, Ch. Alexopoulos, Modeling the State and Behavior of an Enzyme Using UML- an Object Oriented Approach -- 1. Extended Abstract -- References -- 29. K. Daoulas and V. G. Mavrantzas, Atomistic Monte Carlo Simulation Studies of Polymer Melts Grafted on Solid Substrates -- 1. Introduction -- 2. Molecular model -- 3. Simulation method -- 4. Results -- References -- 30. N. J. Daras, Markov 's Property and Generalized Pade-Type Approximants -- References -- 1. References -- 31. M. Darbandi, K. Mazaheri-Body, S. Vakilipour, A Pressure Weighted Upwinding Scheme for Calculating Flows on Unstructured Grids -- 1. Introduction -- 2. Grid Arrangement -- 3. Computational Modeling -- 4. Results -- 5. Closure -- References -- 32. K. Dosios, K. Paparrizos, N. Samaras and A. Sifaleras, An Eflcient Modijkation of the Primal-Dual Ttwo Paths Simplex Algorithm -- References -- 33. V. Drakopoulos, Comparing Sequential Visualisation Methods for the Mandelbrot Set -- 1. Introduction -- 2. Comparative results -- 3. Conclusions -- References -- 34. I. Z. Emiris and Th. G. Nikitopoulos, Structured Matrix Perturbations for Molecular Conformations -- 1. Introduction -- 2. Matrix perturbations -- 3. Cycloalkanes -- References -- 35. G. Cerruela Garcia, I. Luque Rub, M. A. Gomez-Nieto, A New Algorithm to Obtain All Maximum Common Subgraphs in Molecular Graphs Using Binary Arithmetic and Constraints Satisfaction Model -- 1. Introduction -- 2. The Isomorphism model -- 3. Matching-Characteristics Algorithm (MCA).

4. Results -- References -- 36. M. Christodoulakis, C. S. Iliopoulos, Kunsoo Park, J. S. Sim, Implementing Approximate Regularities Extended Abstract -- 1. Introduction -- 2. Preliminaries -- 2.1. Distance functions -- 2 -2. Approximate Regularities -- 3. Problem Definitions and Solutions -- 3.1. Smallest Distance Approximate Period/Cover/Seed Problem -- 3.2. Restricted Smallest Approximate Period/Cover/Seed Problem -- 4. Experimental Results -- 4.1. Experimental Environment -- 4.2. Performance -- References -- 37. R. Clifford and M. Sergot, Distributed Suff? Trees and Their Application to Large-Scale Genomic Analysis -- 1. Introduction -- 2. Distributed Suffix Trees -- 2.1. Operations on the DST -- Acknowledgements -- References -- 38. A. Episkopakis, D. Nikolopoulos, K. Arvanitis, N. Dimitropoulos, Modeling the Detective Quantum Eflciency of Scintillators Used in Medical Imaging Radiation Detectors G. Panayiotakis, D. Cavouras and I. Kandarakis, 171-174 -- 1. Introduction -- 2. Materials and Methods -- 3. Results and Discussion -- References -- 39. S. C. Farantos, Bihrcation Phenomena in Molecular Vibrational Spectroscopy -- References -- 40. A. Gaitanis, M. R. Freedman and N. M. Spyrou, Verijkation of a Simple Technique for the Removal of Motion Artefacts in Electrical Impedance Epigastrography Signals -- 1. Introduction -- 2. Materials & Methods -- 3. Results and Conclusions -- References -- 41. P. J. Garcia-Nieto, Numerical Simulation of Scavenging of an Urban Aerosol by Filtration Taking Into Account the Presence of Coagulation, Condensation, and Gravitational Settling -- 1. Introduction -- 1 .l. Coagulation -- 1.2. Nucleation -- 1.3. Deposition -- 1.4. Physical-mathematical model -- 2. Deposition mechanisms in a filter -- 3. Overall efficiency of a filter -- 4. Results and Conclusions -- Acknowledgments -- References.

42. E. E. Gdoutos, A. A. Giannakopoulos and D. A. Zacharopoulos, Stress Analysis and Failure Mechanisms of Compose Materilas with Debonded Interfaces.