Table of Contents. Understanding the Internet... 1 Christos H. Papadimitriou

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1 Table of Contents Invited Talks Understanding the Internet... 1 Christos H. Papadimitriou Agent-Oriented Software Development... 3 John Mylopoulos, Manuel Kolp, and Paolo Giorgini Knowledge Representation & Reasoning The Ramification and Qualification Problems in Temporal Databases Nick Papadakis and Dimitris Plexousakis Multi-inference with Multi-neurules Ioannis Hatzilygeroudis and Jim Prentzas Decision Making Based on Past Problem Cases Ioannis Stamelos and Ioannis Refanidis Logic Programming & Constraint Satisfaction Relating Defeasible Logic to Extended Logic Programs George Antoniou On Algorithms for Decomposable Constraints Kostas Stergiou Cspcons: A Communicating Sequential Prolog with Constraints Ioannis P. Vlahavas, Ilias Sakellariou, Ivan Futo, Zoltan Pasztor, and Janos Szeredi Genetic Evolution of Software Microorganisms Themistoklis Panayiotopoulos, Harry Kalogirou, Anthony Petropoulos, and Dionisis Dimopoulos Planning & Scheduling A Probabilistic Approach to Robust Execution of Temporal Plans with Uncertainty Ioannis Tsamardinos Crew Pairing Optimization with Genetic Algorithms Harry Kornilakis and Panagiotis Stamatopoulos

2 XII Table of Contents Integration of Topological and Metric Maps for Indoor Mobile Robot Path Planning and Navigation Panagiotis G. Zavlangas and Spyros G. Tzafestas Natural Language Processing Symbolic Authoring for Multilingual Natural Language Generation Ion Androutsopoulos, Dimitris Spiliotopoulos, Konstantinos Stamatakis, Aggeliki Dimitromanolaki, Vangelis Karkaletsis, and Constantine D. Spyropoulos A User-Sensitive Spoken Dialogue System Incorporating Emotional Responsiveness Gloria Dabiri, Michael Brown, Maria Aretoulaki, and Matthias Nitzsche Transforming Spontaneous Telegraphic Language to Well-Formed Greek Sentences for Alternative and Augmentative Communication Georgios Karberis and Georgios Kouroupetroglou Role Identification from Free Text Using Hidden Markov Models Georgios Sigletos, Georgios Paliouras, and Vangelis Karkaletsis Human-Computer Interaction Improving SMS Usability Using Bayesian Networks Manolis Maragoudakis, Nikolaos K. Tselios, Nikolaos Fakotakis, and Nikolaos M. Avouris Fuzzy Inference for Student Diagnosis in Adaptive Educational Hypermedia Maria Grigoriadou, Harry Kornilakis, Kyparisia A. Papanikolaou, and George D. Magoulas MultiCAD-GA: A System for the Design of 3D Forms Based on Genetic Algorithms and Human Evaluation Nikolaos Vassilas, George Miaoulis, Dionysios Chronopoulos, Elias Konstantinidis, Ioanna Ravani, Dimitrios Makris, and Dimitri Plemenos Intelligent Semantic Access to Audiovisual Content Yannis Avrithis, Giorgos Stamou, Anastasios Delopoulos, and Stefanos Kollias Machine Learning A Multi-clustering Fusion Algorithm Dimitrios Frossyniotis, Minas Pertselakis, and Andreas Stafylopatis

3 Table of Contents XIII Distance and Feature-Based Clustering of Time Series: An Application on Neurophysiology George Potamias Least-Squares Methods in Reinforcement Learning for Control Michail G. Lagoudakis, Ronald Parr, and Michael L. Littman Knowledge Discovery Association Rules & Evolution in Time George Koundourakis and Babis Theodoulidis Managing Uncertainty and Quality in the Classification Process Maria Halkidi and Michalis Vazirgiannis The Role of Domain Knowledge in a Large Scale Data Mining Project Ioannis Kopanas, Nikolaos M. Avouris, and Sophia Daskalaki Neural Networks Artificial Neural Network Learning: A Comparative Review Costas Neocleous and Christos Schizas Piecewise Neural Networks for Function Approximation, Cast in a Form Suitable for Parallel Computation Ioannis G. Tsoulos, Isaac E. Lagaris, and Aristidis C. Likas Using Hopfield Networks to Solve Assignment Problem and N-Queen Problem: An Application of Guided Trial and Error Technique Christos Douligeris and Gang Feng A Bayesian Regularization Method for the Probabilistic RBF Network Constantinos Constantinopoulos, Michalis K. Titsias, and Aristidis Likas Pattern Recognition Support Vector Machines with Clustering for Training with Very Large Datasets Theodoros Evgeniou and Massimiliano Pontil A Temporal Network of Support Vector Machine Classifiers for the Recognition of Visual Speech Mihaela Gordan, Constantine Kotropoulos, and Ioannis Pitas Fuzzy Stochastic Automata for Reactive Learning and Hybrid Control Gerasimos G. Rigatos

4 XIV Table of Contents Machine Vision Overview of Wave Probe-Based High-Resolution Subsurface Sensing, Imaging, and Vision George A. Tsihrintzis and Konstantinos G. Girtis 3D Volume Reconstruction by Serially Acquired 2D Slices Using a Distance Transform-Based Global Cost Function Stelios Krinidis, Christophoros Nikou, and Ioannis Pitas Definition and Extraction of Visual Landmarks for Indoor Robot Navigation Dimitrios I. Kosmopoulos and Konstantinos V. Chandrinos Factors Affecting the Accuracy of an Active Vision Head Antonios Gasteratos and Giulio Sandini Intelligent Internet & Multiagent Systems Query Translation for Mediators over Ontology-Based Information Sources Yannis Tzitzikas, Nicolas Spyratos, and Panos Constantopoulos Intelligent Querying of Web Documents Using a Deductive XML Repository Nick Bassiliades and Ioannis P. Vlahavas Roles in Collaborative Activity Ioannis Partsakoulakis and George Vouros Formal Modelling of Reactive Agents as an Aggregation of Simple Behaviours Petros Kefalas Intelligent Applications On the Application of Artificial Intelligence Techniques to the Quality Improvement of Industrial Processes Pavlos Georgilakis and Nikos Hatziargyriou Using Non-uniform Crossover in Genetic Algorithm Methods to Speed up the Generation of Test Patterns for Sequential Circuits Michael Dimopoulos and Panagiotis Linardis Hybrid Computational Intelligence Schemes in Complex Domains: An Extended Review Athanasios Tsakonas and George Dounias Author Index...513

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