Progress in Artificial Intelligence: 12th Portuguese Conference on Artificial Intelligence, EPIA 2005, Covilhã, Portugal, December 5-8, 2005. Proceedings

Front Matter....Pages -
Front Matter....Pages 1-1
Introduction....Pages 3-3
Reducing Propositional Theories in Equilibrium Logic to Logic Programs....Pages 4-17
Preference Revision Via Declarative Debugging....Pages 18-28
Revised Stable Models – A Semantics for Logic Programs....Pages 29-42
Operational Semantics for DyLPs....Pages 43-54
Case Retrieval Nets for Heuristic Lexicalization in Natural Language Generation....Pages 55-66
Partially Parametric SVM....Pages 67-75
Adapting Hausdorff Metrics to Face Detection Systems: A Scale-Normalized Hausdorff Distance Approach....Pages 76-86
Robust Real-Time Human Activity Recognition from Tracked Face Displacements....Pages 87-98
Front Matter....Pages 99-99
Introduction....Pages 101-101
Adaptation and Decision-Making Driven by Emotional Memories....Pages 102-114
Affective Revision....Pages 115-126
Feeling and Reasoning: A Computational Model for Emotional Characters....Pages 127-140
Front Matter....Pages 141-141
Introduction....Pages 143-143
Evolutionary Computation Approaches for Shape Modelling and Fitting....Pages 144-155
Reaction-Agents: First Mathematical Validation of a Multi-agent System for Dynamical Biochemical Kinetics....Pages 156-166
A Hybrid Classification System for Cancer Diagnosis with Proteomic Bio-markers....Pages 167-177
Intelligent Multiobjective Particle Swarm Optimization Based on AER Model....Pages 178-189
A Quantum Inspired Evolutionary Framework for Multi-objective Optimization....Pages 190-201
Front Matter....Pages 203-203
Introduction....Pages 205-205
Front Matter....Pages 203-203
A Database Trigger Strategy to Maintain Knowledge Bases Developed Via Data Migration....Pages 206-217
The SWRC Ontology – Semantic Web for Research Communities....Pages 218-231
Front Matter....Pages 233-233
Introduction....Pages 235-235
Protein Sequence Classification Through Relevant Sequence Mining and Bayes Classifiers....Pages 236-247
CONAN: An Integrative System for Biomedical Literature Mining....Pages 248-259
A Quantum Evolutionary Algorithm for Effective Multiple Sequence Alignment....Pages 260-271
Hierarchical Multi-classification with Predictive Clustering Trees in Functional Genomics....Pages 272-283
Front Matter....Pages 285-285
Introduction....Pages 287-287
Multi-output Nonparametric Regression....Pages 288-292
Adapting Peepholing to Regression Trees....Pages 293-303
An Extension of Self-organizing Maps to Categorical Data....Pages 304-313
Programming Relational Databases for Itemset Mining over Large Transactional Tables....Pages 314-324
Using a More Powerful Teacher to Reduce the Number of Queries of the L* Algorithm in Practical Applications....Pages 325-336
User Group Profile Modeling Based on User Transactional Data for Personalized Systems....Pages 337-347
Retail Clients Latent Segments....Pages 348-358
Automatic Detection of Meddies Through Texture Analysis of Sea Surface Temperature Maps....Pages 359-370
Monitoring the Quality of Meta-data in Web Portals Using Statistics, Visualization and Data Mining....Pages 371-382
A Real Time Data Extraction, Transformation and Loading Solution for Semi-structured Text Files....Pages 383-394
Front Matter....Pages 395-395
Introduction....Pages 397-397
Visual Based Human Motion Analysis: Mapping Gestures Using a Puppet Model....Pages 398-409
Front Matter....Pages 395-395
Acquiring Observation Models Through Reverse Plan Monitoring....Pages 410-421
Applying Biological Paradigms to Emerge Behaviour in RoboCup Rescue Team....Pages 422-434
Survival Kit: A Constraint-Based Behavioural Architecture for Robot Navigation....Pages 435-446
Heuristic Algorithm for Robot Path Planning Based on a Growing Elastic Net....Pages 447-454
Robust Artificial Landmark Recognition Using Polar Histograms....Pages 455-461
An Architecture of Sensor Fusion for Spatial Location of Objects in Mobile Robotics....Pages 462-473
CATRAPILAS – A Simple Robotic Platform....Pages 474-484
Front Matter....Pages 485-485
Introduction....Pages 487-487
A Model of Pedagogical Negotiation....Pages 488-499
Towards a Market Mechanism for Airport Traffic Control....Pages 500-511
Intentions and Strategies in Game-Like Scenarios....Pages 512-523
Semantics and Pragmatics for Agent Communication....Pages 524-535
Logical Implementation of Uncertain Agents....Pages 536-547
Subgoal Semantics in Agent Programming....Pages 548-559
The Multi-team Formation Precursor of Teamwork....Pages 560-571
Seeking Multiobjective Optimization in Uncertain, Dynamic Games....Pages 572-583
Learning to Select Negotiation Strategies in Multi-agent Meeting Scheduling....Pages 584-595
Front Matter....Pages 597-597
Introduction....Pages 599-599
An Approach to Acquire Word Translations from Non-parallel Texts....Pages 600-610
Experiments on Statistical and Pattern-Based Biographical Summarization....Pages 611-621
Front Matter....Pages 597-597
Constrained Atomic Term: Widening the Reach of Rule Templates in Transformation Based Learning....Pages 622-633
Improving Passage Retrieval in Question Answering Using NLP....Pages 634-646
Mining the Semantics of Text Via Counter-Training....Pages 647-657
Minimum Redundancy Cut in Ontologies for Semantic Indexing....Pages 658-668
Unsupervised Learning of Multiword Units from Part-of-Speech Tagged Corpora: Does Quantity Mean Quality?....Pages 669-679
Lappin and Leass’ Algorithm for Pronoun Resolution in Portuguese....Pages 680-692
STEMBR: A Stemming Algorithm for the Brazilian Portuguese Language....Pages 693-701
Back Matter....Pages -