Advances in Artificial Intelligence - SBIA 2012: 21th Brazilian Symposium on Artificial Intelligence, Curitiba, Brazil, October 20-25, 2012. Proceedings

Front Matter....Pages -
On the Development of a Formal Methodology for Knowledge Representation in Defeasible Logic Programming....Pages 1-11
A Framework for Empirical Evaluation of Belief Change Operators....Pages 12-21
Sensorimotor Domain Approach for Artificial Autonomous Cognitive Development....Pages 22-31
A Service-Oriented Architecture for Assisting the Authoring of Semantic Crowd Maps....Pages 32-41
User-Centric Principles in Automated Decision Making....Pages 42-51
Wearable Computing: Accelerometers’ Data Classification of Body Postures and Movements....Pages 52-61
Density-Based Pattern Discovery in Distributed Time Series....Pages 62-71
Filter Approach Feature Selection Methods to Support Multi-label Learning Based on ReliefF and Information Gain....Pages 72-81
Automatic Analysis of Leishmania Infected Microscopy Images via Gaussian Mixture Models....Pages 82-91
Link Prediction in Complex Networks Based on Cluster Information....Pages 92-101
A Parallel Approach to Clustering with Ant Colony Optimization....Pages 102-111
On the Use of Consensus Clustering for Incremental Learning of Topic Hierarchies....Pages 112-121
Image Retrieval by Content Based on a Visual Attention Model and Genetic Algorithms....Pages 122-131
A Symbolic Representation Method to Preserve the Characteristic Slope of Time Series....Pages 132-141
Orchestrating Multiagent Learning of Penalty Games....Pages 142-151
An Architectural Model for Autonomous Normative Agents....Pages 152-161
A Coalition Formation Mechanism for Trust and Reputation-Aware Multi-Agent Systems....Pages 162-171
Profile Recommendation in Communities of Practice Based on Multiagent Systems....Pages 172-181
Knowledge-Intensive Word Disambiguation via Common-Sense and Wikipedia....Pages 182-191
Context-Sensitive ASR for Controlling the Navigation of Mobile Robots....Pages 192-201
An Evaluation of the Model of Stigmergy in a RoboCup Rescue Multiagent System....Pages 202-211
An Ecology-Based Heterogeneous Approach for Cooperative Search....Pages 212-221
Providing Trade-Off Techniques Subsets to Improve Software Testing Effectiveness: Using Evolutionary Algorithm to Support Software Testing Techniques Selection by a Web Tool....Pages 222-232
Back Matter....Pages -