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  19th IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2007), October 29-31, 2007, Patras, Greece, Volume 2. IEEE Computer Society 2007

Information Retrieval I

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  Ioannis Kanaris, Efstathios Stamatatos: Webpage Genre Identification Using Variable-Length Character n-Grams. 3-10
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  Sylvain Lamprier, Tassadit Amghar, Bernard Levrat, Frédéric Saubion: Document Length Normalization by Statistical Regression. 11-18
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  Sylvain Lamprier, Tassadit Amghar, Bernard Levrat, Frédéric Saubion: On Evaluation Methodologies for Text Segmentation Algorithms. 19-26
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  Patrick Roos, Bill Z. Manaris: A Music Information Retrieval Approach Based on Power Laws. 27-31

Information Retrieval II

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  Dario Bonino, Fulvio Corno, Paolo Pellegrino: Versatile RDF Representation for Multimedia Semantic Search. 32-38
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  Danilo Schmidt, Gabriela Lindemann, Thomas Schrader: First Steps towards an Intelligent Catalogue within the Open European Nephrology Science Center - OpEN.SC. 39-44
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  John D. Holt, Soon M. Chung, Yanjun Li: Usage of Mined Word Associations for Text Retrieval. 45-49
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  Manolis Maragoudakis: A Bayesian Network Model for Information Retrieval from Greek Texts. 50-54

Intelligent Agents I

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  Takashi Kokawa, Yoshiya Takeuchi, Ryota Sakamoto, Hitoshi Ogawa, Victor V. Kryssanov: An Agent-Based System for the Prevention of Earthquake-Induced Disasters. 55-62
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  Benjamin Fonooni: Rational-Emotional Agent Decision Making Algorithm Design with OWA. 63-66
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  Jean-Michel Contet, Franck Gechter, Pablo Gruer, Abderrafiaa Koukam: Application of Reactive Multiagent System to Linear Vehicle Platoon. 67-70
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  Masood Raza, Venkat V. S. S. Sastry: Command Agents with Human-Like Decision Making Strategies. 71-74

Intelligent Agents II

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  Jonathan Gaudreault, Jean-Marc Frayret, Gilles Pesant: Discrepancy-Based Method for Hierarchical Distributed Optimization. 75-81
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  Chi-Kong Chan, Ho-fung Leung: A Distributed Mechanism for Non-transferable Utility Buyer Coalition Problem. 82-86
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  Matthieu Boussard, Maroua Bouzid, Abdel-Illah Mouaddib: Multi-criteria Decision Making for Local Coordination in Multi-agent Systems. 87-90
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  Jean-Paul Jamont, Michel Occello: Designing Embedded Collective Systems: The DIAMOND Multiagent Method. 91-94

Intelligent Tutoring and E-Learning Systems

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  Chun Wai Liew, Joel A. Shapiro, Donald E. Smith: Knowledge Based Mechanisms for Tutoring Systems in Science and Engineering. 95-102
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  Salvatore Garruzzo, Domenico Rosaci, Giuseppe M. L. Sarnè: MASHA-EL: A Multi-Agent System for Supporting Adaptive E-Learning. 103-110
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  Luis de Marcos, Carmen Pagés, José-Javier Martínez, José Antonio Gutiérrez: Competency-Based Learning Object Sequencing Using Particle Swarms. 111-116
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  Christos E. Christodoulopoulos, Kyparisia A. Papanikolaou: A Group Formation Tool in an E-Learning Context. 117-123

Knowledge Discovery I

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  Mondelle Simeon, Robert J. Hilderman: Exploratory Quantitative Contrast Set Mining: A Discretization Approach. 124-131
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  Chris Seiffert, Taghi M. Khoshgoftaar, Jason Van Hulse, Amri Napolitano: Mining Data with Rare Events: A Case Study. 132-139
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  Minghua Zhang, Wynne Hsu, Mong-Li Lee: Mining Prevalence-Based Ratio Patterns. 140-147
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  Samah Jamal Fodeh, Pang-Ning Tan: Incorporating Background Knowledge for Subjective Rule Evaluation. 148-155

Knowledge Discovery II

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  Wei Jin, Rohini K. Srihari, Hung Hay Ho: A Text Mining Model for Hypothesis Generation. 156-162
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  Martin Atzmüller, Frank Puppe, Hans-Peter Buscher: Onto Confounding-Aware Subgroup Discovery. 163-170
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  Minghua Zhang, Wynne Hsu, Mong-Li Lee: Finding Orientation-Sensitive Patterns in Snapshot Databases. 171-178
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  Ali Mustafa, Ishwar K. Sethi: Unsupervised Event Detection in Videos. 179-182

Knowledge Discovery III

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  Gianluigi Folino, Clara Pizzuti, Giandomenico Spezzano: An Adaptive Distributed Ensemble Approach to Mine Concept-Drifting Data Streams. 183-188
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  Paula Cecilia Fritzsche, Dolores Rexachs, Emilio Luque: Applying Data Mining to Define TSP Asymptotic Time Complexity. 189-192
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  Ken-ichi Fukui, Kazuhisa Sato, Junichiro Mizusaki, Kazumi Saito, Masayuki Numao: Combining Burst Extraction Method and Sequence-Based SOM for Evaluation of Fracture Dynamics in Solid Oxide Fuel Cell. 193-196
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  Xiaohua Zhou, Xiaodan Zhang, Xiaohua Hu: Dragon Toolkit: Incorporating Auto-Learned Semantic Knowledge into Large-Scale Text Retrieval and Mining. 197-201

Knowledge Extraction

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  John L. Pfaltz: Establishing Logical Rules from Empirical Data. 202-209
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  Anna Koufakou, Enrique G. Ortiz, Michael Georgiopoulos, Georgios C. Anagnostopoulos, Kenneth M. Reynolds: A Scalable and Efficient Outlier Detection Strategy for Categorical Data. 210-217
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  Dimitrios Tsonos, Gerasimos Xydas, Georgios Kouroupetroglou: A Methodology for Reader's Emotional State Extraction to Augment Expressions in Speech Synthesis. 218-225
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  Yunsong Guo, Bart Selman: ExOpaque: A Framework to Explain Opaque Machine Learning Models Using Inductive Logic Programming. 226-229

Knowledge Representation and Reasoning I

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  Guohua Liu, Jia-Huai You: Adaptive Lookahead for Answer Set Computation. 230-237
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  Efstratios Kontopoulos, Nick Bassiliades, Grigoris Antoniou: Visual Stratification of Defeasible Logic Rule Bases. 238-245
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  Sandra de Amo, Arnaud Giacometti: Temporal Conditional Preferences over Sequences of Objects. 246-253
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  Matthew Williams, Anthony Hunter: Harnessing Ontologies for Argument-Based Decision-Making in Breast Cancer. 254-261

Knowledge Representation and Reasoning II

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  Omar Doukari, Eric Würbel, Robert Jeansoulin: A New Model for Belief Representation and Belief Revision Based on Inconsistencies Locality. 262-269
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  Nikolaos I. Spanoudakis, Konstantina Pendaraki: A Tool for Portfolio Generation Using an Argumentation Based Decision Making Framework. 270-273
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  Nikos Papadakis, Grigoris Antoniou, Dimitris Plexousakis: The Ramification Problem in Temporal Databases: Concurrent Execution with Conflicting Constraints. 274-278
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  Konstantinos N. Vavliakis, Andreas L. Symeonidis, Georgios T. Karagiannis, Pericles A. Mitkas: Eikonomia-An Integrated Semantically Aware Tool for Description and Retrieval of Byzantine Art Information. 279-282

Machine Learning I

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  Zhendong Zhao, Lei Yuan, Yuxuan Wang, Forrest Sheng Bao, Shun-Yi Zhang, Yan-Fei Sun: A Novel Model of Working Set Selection for SMO Decomposition Methods. 283-290
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  Khurum Nazir Junejo, Asim Karim: Automatic Personalized Spam Filtering through Significant Word Modeling. 291-298
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  Yan Zhou, Zach Jorgensen, W. Meador Inge: Combating Good Word Attacks on Statistical Spam Filters with Multiple Instance Learning. 298-305
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  Grigorios Tzortzis, Aristidis Likas: Deep Belief Networks for Spam Filtering. 306-309

Machine Learning II

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  Taghi M. Khoshgoftaar, Moiz Golawala, Jason Van Hulse: An Empirical Study of Learning from Imbalanced Data Using Random Forest. 310-317
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  Ioannis Partalas, Ioannis Feneris, Ioannis P. Vlahavas: Multi-agent Reinforcement Learning Using Strategies and Voting. 318-324
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  Antonia Kyriakopoulou: Using Clustering and Co-5raining to Boost Classification Performance. 325-330
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  Xiuquan Li, Zhidong Deng: A Machine Learning Approach to Predict Turning Points for Chaotic Financial Time Series. 331-335

Machine Learning III

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  Jeremias B. Machado, Wagner Caradori do Amaral, Ricardo J. G. B. Campello: Design of OBF-TS Fuzzy Models Based on Multiple Clustering Validity Criteria. 336-339
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  Mahmoud Zennaki, Ahmed Ech-Cherif, Jean-Charles Lamirel: Using Reactive Tabu Search in Semi-supervised Classification. 340-344
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  Georgios Bardis, Vassilios Golfinopoulos, Georgios Miaoulis, Dimitri Plemenos: Abstract Description Refinement Using Incremental Learning and Scene Reconstruction. 345-348
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  Woo-han Yun, Do-Hyung Kim, Suyoung Chi, Ho-Sub Yoon: Two-Dimensional Logistic Regression. 349-353

Machine Learning IV

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  Katia Kermanidis, Nikos Fakotakis: One-sided Sampling for Learning Taxonomic Relations in the Modern Greek Economic Domain. 354-361
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  Hao Cheng, Kien A. Hua, Khanh Vu: Local and Global Structures Preserving Projection. 362-365
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  Lazaros S. Iliadis: An intelligent Artificial Neural Network evaluation system using Fuzzy Set Hedges: Application in wood industry. 366-369
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  Pavlina Fragkou, Vassilios Petridis: Segmentation of Greek Text by Dynamic Programming. 370-373

Neural Networks I

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  Chun-Cheng Peng, George D. Magoulas: Adaptive Nonmonotone Conjugate Gradient Training Algorithm for Recurrent Neural Networks. 374-381
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  Chien-Cheng Lee, Cheng-Yuan Shih: Time Series Prediction Using Robust Radial Basis Function with Two-Stage Learning Rule. 382-387
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  Harris Papadopoulos, Volodya Vovk, Alexander Gammerman: Conformal Prediction with Neural Networks. 388-395
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  Erich Schikuta, Peter Paul Beran: A Gridified Artificial Neural Network Resource. 396-404

Neural Networks II

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  Efstratios F. Georgopoulos, Sotiris M. Giannaropoulos: Solving Resource Management Optimization Problems in Contact Centers with Artificial Neural Networks. 405-412
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  Nikolaos Ampazis, Helen Iakovaki, Georgios Dounias: Author Identification of E-mail Messages with OLMAM Trained Feedforward Neural Networks. 413-417
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  Bae-Muu Chang, Hung-Hsu Tsai, Pao-Ta Yu: Character Recognition Based on Neural Network and Dempster-Shafer Theory. 418-423
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  Nikolaos D. Doulamis, Georgios Bardis, John Dragonas, George Miaoulis: Optimal Recursive Designers' Profile Estimation in Collaborative Declarative Environment. 424-427

NL Processing and Understanding I

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  Dimitrios P. Lyras, Kyriakos N. Sgarbas, Nikolaos D. Fakotakis: Using the Levenshtein Edit Distance for Automatic Lemmatization: A Case Study for Modern Greek and English. 428-435
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  Takuya Fukuda, Masataka Izumi, Takao Miura: Word Segmentation Using Domain Knowledge Based on Conditional Random Fields. 436-439
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  Saleem Abuleil: Using NLP Techniques for Tagging Events in Arabic Text. 440-443
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  Anne-Laure Ligozat, Brigitte Grau, Anne Vilnat, Isabelle Robba, Arnaud Grappy: Towards an Automatic Validation of Answers in Question Answering. 444-447

NL Processing and Understanding II

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  Niladri Chatterjee, Shiwali Mohan: Extraction-Based Single-Document Summarization Using Random Indexing. 448-455
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  Keven Ates, Kang Zhang: Constructing VEGGIE: Machine Learning for Context-Sensitive Graph Grammars. 456-463
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  Dimitris Bilidas, Maria Theologou, Vangelis Karkaletsis: Enriching OWL Ontologies with Linguistic and User-Related Annotations: The ELEON System. 464-467
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  Belén Díaz-Agudo, Juan A. Recio-García, Pedro A. González-Calero: Natural Language Queries in CBR Systems. 468-472

Search and Heuristics

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  Richard J. Wallace: Determining the Basis for Performance Variations in CSP Heuristics. 473-480
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  Cheuk Fun Bede Leung, Olli Kamarainen, Barry Richards: Approaches to the Subnet Generation Problem. 481-488
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  Bertrand Neveu, Gilles Trombettoni, Ignacio Araya: Incremental Move for 2D Strip-Packing. 489-496
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  Djamal Habet, Lionel Paris, Belaid Benhamou: Consistent Neighborhood for the Satisfiability Problem. 497-501

Speech Processing and Understanding

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  Theodoros Kostoulas, Todor Ganchev, Iosif Mporas, Nikos Fakotakis: Detection of Negative Emotional States in Real-World Scenario. 502-509
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  Iosif Mporas, Todor Ganchev, Mihalis Siafarikas, Theodoros Kostoulas: Comparative Evaluation of Speech Parameterizations for Speech Recognition. 510-513
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  Mihalis Siafarikas, Todor Ganchev, Nikos Fakotakis: Wavelet Packet Bases for Speaker Recognition. 514-517
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  Alexandros Lazaridis, Panagiotis Zervas, Georgios Kokkinakis: Segmental Duration Modeling for Greek Speech Synthesis. 518-521

Vision and Video Processing

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  Nikolaos G. Bourbakis, Anna Esposito, Despina Kavraki: Multi-modal Interfaces for Interaction-Communication between Hearing and Visually Impaired Individuals: Problems and Issues. 522-530
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  Lei Xiong, Nanning Zheng, Qubo You, Jianyi Liu, Shaoyi Du: Eye Synthesis Using the Eye Curve Model. 531-534
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  Chien-Cheng Lee, Yu-Chun Chiang, Cheng-Yuan Shih, Hau-Ming Huang: Caption Localization and Detection for News Videos Using Frequency Analysis and Wavelet Features. 539