Progress in Artificial Intelligence: 15th Portuguese Conference on Artificial Intelligence, EPIA 2011, Lisbon, Portugal, October 10-13, 2011. Proceedings

Front Matter....Pages -
Sentiment Analysis of News Titles....Pages 1-14
Providing Location Everywhere....Pages 15-28
Modeling Context-Awareness in Agents for Ambient Intelligence: An Aspect-Oriented Approach....Pages 29-43
Developing Dynamic Conflict Resolution Models Based on the Interpretation of Personal Conflict Styles....Pages 44-58
Organizations of Agents in Information Fusion Environments....Pages 59-70
Wasp-Like Agents for Scheduling Production in Real-Time Strategy Games....Pages 71-82
Operational Problems Recovery in Airlines – A Specialized Methodologies Approach....Pages 83-97
Solving Heterogeneous Fleet Multiple Depot Vehicle Scheduling Problem as an Asymmetric Traveling Salesman Problem....Pages 98-109
Evolving Numerical Constants in Grammatical Evolution with the Ephemeral Constant Method....Pages 110-124
The Evolution of Foraging in an Open-Ended Simulation Environment....Pages 125-137
A Method to Reuse Old Populations in Genetic Algorithms....Pages 138-152
Towards Artificial Evolution of Complex Behaviors Observed in Insect Colonies....Pages 153-167
Network Regularity and the Influence of Asynchronism on the Evolution of Cooperation....Pages 168-181
The Squares Problem and a Neutrality Analysis with ReNCoDe....Pages 182-195
Particle Swarm Optimization for Gantry Control: A Teaching Experiment....Pages 196-207
Evolving Reaction-Diffusion Systems on GPU....Pages 208-223
Optimal Divide and Query....Pages 224-238
A Subterm-Based Global Trie for Tabled Evaluation of Logic Programs....Pages 239-253
Intention-Based Decision Making with Evolution Prospection....Pages 254-267
Unsupervised Music Genre Classification with a Model-Based Approach....Pages 268-281
Constrained Sequential Pattern Knowledge in Multi-relational Learning....Pages 282-296
Summarizing Frequent Itemsets via Pignistic Transformation....Pages 297-310
A Simulated Annealing Algorithm for the Problem of Minimal Addition Chains....Pages 311-325
Novelty Detection Using Graphical Models for Semantic Room Classification....Pages 326-339
A Reinforcement Learning Based Method for Optimizing the Process of Decision Making in Fire Brigade Agents....Pages 340-351
Humanoid Behaviors: From Simulation to a Real Robot....Pages 352-364
Market-Based Dynamic Task Allocation Using Heuristically Accelerated Reinforcement Learning....Pages 365-376
Shop Floor Scheduling in a Mobile Robotic Environment....Pages 377-391
Humanized Robot Dancing: Humanoid Motion Retargeting Based in a Metrical Representation of Human Dance Styles....Pages 392-406
Bankruptcy Trajectory Analysis on French Companies Using Self-Organizing Map....Pages 407-417
Network Node Label Acquisition and Tracking....Pages 418-430
Learning to Rank for Expert Search in Digital Libraries of Academic Publications....Pages 431-445
Thematic Fuzzy Clusters with an Additive Spectral Approach....Pages 446-461
Automatically Enriching a Thesaurus with Information from Dictionaries....Pages 462-475
Visualizing the Evolution of Social Networks....Pages 476-490
Using Data Mining Techniques to Predict Deformability Properties of Jet Grouting Laboratory Formulations over Time....Pages 491-505
Doubtful Deviations and Farsighted Play....Pages 506-520
Uncertainty and Novelty-Based Selective Attention in the Collaborative Exploration of Unknown Environments....Pages 521-535
A Dynamic Agents’ Behavior Model for Computational Trust....Pages 536-550
The BMC Method for the Existential Part of RTCTLK and Interleaved Interpreted Systems....Pages 551-565
Building Spatiotemporal Emotional Maps for Social Systems....Pages 566-580
An Exploratory Study on the Impact of Temporal Features on the Classification and Clustering of Future-Related Web Documents....Pages 581-596
Using the Web to Validate Lexico-Semantic Relations....Pages 597-609
A Resource-Based Method for Named Entity Extraction and Classification....Pages 610-623
Measuring Spelling Similarity for Cognate Identification....Pages 624-633
Identifying Automatic Posting Systems in Microblogs....Pages 634-648
Determining the Polarity of Words through a Common Online Dictionary....Pages 649-663
A Bootstrapping Approach for Training a NER with Conditional Random Fields....Pages 664-678
Domain-Splitting Generalized Nogoods from Restarts....Pages 679-689
A Proposal for Transactions in the Semantic Web....Pages 690-703
Back Matter....Pages -