Progress in Artificial Intelligence

1. General Artificial Intelligence

   1. Unsupervised Music Genre Classification with a Model-Based Approach

      • Luís Barreira, Sofia Cavaco, Joaquim Ferreira da Silva

      Pages 268-281

   2. Constrained Sequential Pattern Knowledge in Multi-relational Learning

      • Carlos Abreu Ferreira, João Gama, Vítor Santos Costa

      Pages 282-296

   3. Summarizing Frequent Itemsets via Pignistic Transformation

      • Francisco Guil-Reyes, María Teresa Daza-Gonzalez

      Pages 297-310

   4. A Simulated Annealing Algorithm for the Problem of Minimal Addition Chains

      • Adan Jose-Garcia, Hillel Romero-Monsivais, Cindy G. Hernandez-Morales, Arturo Rodriguez-Cristerna, Ivan Rivera-Islas, Jose Torres-Jimenez

      Pages 311-325

   5. Novelty Detection Using Graphical Models for Semantic Room Classification

      • André Susano Pinto, Andrzej Pronobis, Luis Paulo Reis

      Pages 326-339

2. Intelligent Robotics

   1. A Reinforcement Learning Based Method for Optimizing the Process of Decision Making in Fire Brigade Agents

      • Abbas Abdolmaleki, Mostafa Movahedi, Sajjad Salehi, Nuno Lau, Luís Paulo Reis

      Pages 340-351

   2. Humanoid Behaviors: From Simulation to a Real Robot

      • Edgar Domingues, Nuno Lau, Bruno Pimentel, Nima Shafii, Luís Paulo Reis, António J. R. Neves

      Pages 352-364

   3. Market-Based Dynamic Task Allocation Using Heuristically Accelerated Reinforcement Learning

      • José Angelo Gurzoni Jr., Flavio Tonidandel, Reinaldo A. C. Bianchi

      Pages 365-376

   4. Shop Floor Scheduling in a Mobile Robotic Environment

      • Andry Maykol Pinto, Luís F. Rocha, António Paulo Moreira, Paulo G. Costa

      Pages 377-391

   5. Humanized Robot Dancing: Humanoid Motion Retargeting Based in a Metrical Representation of Human Dance Styles

      • Paulo Sousa, João L. Oliveira, Luis Paulo Reis, Fabien Gouyon

      Pages 392-406

3. Knowledge Discovery and Business Intelligence

   1. Bankruptcy Trajectory Analysis on French Companies Using Self-Organizing Map

      • Ning Chen, Bernardete Ribeiro, Armando S. Vieira

      Pages 407-417

   2. Network Node Label Acquisition and Tracking

      • Sarvenaz Choobdar, Fernando Silva, Pedro Ribeiro

      Pages 418-430

   3. Learning to Rank for Expert Search in Digital Libraries of Academic Publications

      • Catarina Moreira, Pável Calado, Bruno Martins

      Pages 431-445

   4. Thematic Fuzzy Clusters with an Additive Spectral Approach

      • Susana Nascimento, Rui Felizardo, Boris Mirkin

      Pages 446-461

   5. Automatically Enriching a Thesaurus with Information from Dictionaries

      • Hugo Gonçalo Oliveira, Paulo Gomes

      Pages 462-475

   6. Visualizing the Evolution of Social Networks

      • Márcia Oliveira, João Gama

      Pages 476-490

   7. Using Data Mining Techniques to Predict Deformability Properties of Jet Grouting Laboratory Formulations over Time

      • Joaquim Tinoco, António Gomes Correia, Paulo Cortez

      Pages 491-505

4. Multi-Agent Systems: Theory and Applications

   1. Doubtful Deviations and Farsighted Play

      • Wojciech Jamroga, Matthijs Melissen

      Pages 506-520

   2. Uncertainty and Novelty-Based Selective Attention in the Collaborative Exploration of Unknown Environments

      • Luis Macedo, Miguel Tavares, Pedro Gaspar, Amílcar Cardoso

      Pages 521-535

   3. A Dynamic Agents’ Behavior Model for Computational Trust

      • Joana Urbano, Ana Paula Rocha, Eugénio Oliveira

      Pages 536-550

This book contains a selection of higher quality and reviewed papers of the 15th Portuguese Conference on Artificial Intelligence, EPIA 2011, held in Lisbon, Portugal, in October 2011.
The 50 revised full papers presented were carefully reviewed and selected from a total of 203 submissions. The papers are organized in topical sections on affective computing, ambient intelligence environments, artificial intelligence methodologies for games, artificial intelligence in transportation systems, artificial life evolutionary algorithms, computational logic with applications, general artificial intelligence, intelligent robotics, knowledge discovery and business intelligence, multi-agent systems: theory and applications, social simulation and modeling, text mining and applications, and doctoral symposium on artificial intelligence.

• context-awareness
• genetic algorithms
• intelligent environments
• particle swarm optimization
• semantic data

• Faculdade de Ciências, Departamento de Informática, GUESS/LabMAg/Universidade de Lisboa, Lisboa, Portugal

  Luis Antunes

• Department of Computer Science and Engineering, INESC-ID, Instituto Superior Técnico, IST, Lisboa, Portugal

  H. Sofia Pinto

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