Progress in Artificial Intelligence: Knowledge Extraction, Multi-agent Systems, Logic Programming, and Constraint Solving 10th Portuguese Conference on Artificial Intelligence, EPIA 2001 Porto, Portugal, December 17–20, 2001 Proceedings

Agent Programming in Ciao Prolog....Pages 1-2
Multi-relational Data Mining: A Perspective....Pages 3-4
A Comparison of GLOWER and Other Machine Learning Methods for Investment Decision Making....Pages 5-5
Parallel Implementation of Decision Tree Learning Algorithms....Pages 6-13
Reducing Rankings of Classifiers by Eliminating Redundant Classifiers....Pages 14-21
Non-parametric Nearest Neighbor with Local Adaptation....Pages 22-29
Selection Restrictions Acquisition from Corpora....Pages 30-43
Classification Rule Learning with APRIORI-C....Pages 44-51
Proportional Membership in Fuzzy Clustering as a Model of Ideal Types....Pages 52-62
Evolution of Cubic Spline Activation Functions for Artificial Neural Networks....Pages 63-73
Multilingual Document Clustering, Topic Extraction and Data Transformations....Pages 74-87
Sampling-Based Relative Landmarks: Systematically Test-Driving Algorithms before Choosing....Pages 88-95
Recursive Adaptive ECOC models....Pages 96-103
A Study on End-Cut Preference in Least Squares Regression Trees....Pages 104-115
The Use of Domain Knowledge in Feature Construction for Financial Time Series Prediction....Pages 116-129
Optimizing the Sharpe Ratio for a Rank Based Trading System....Pages 130-141
Choice: The Key for Autonomy....Pages 142-154
Dynamic Evaluation of Coordination Mechanisms for Autonomous Agents....Pages 155-168
Evolving Multi-agent Viewpoints — An Architecture....Pages 169-182
Enabling Agents to Update Their Knowledge and to Prefer....Pages 183-190
Modelling Agent Societies: Co-ordination Frameworks and Institutions....Pages 191-204
Argumentation as Distributed Belief Revision: Conflict Resolution in Decentralised Co-operative Multi-agent Systems....Pages 205-218
Scheduling, Re-scheduling and Communication in the Multi-agent Extended Enterprise Environment....Pages 219-231
Electronic Institutions as a Framework for Agents’ Negotiation and Mutual Commitment....Pages 232-245
An Imitation-Based Approach to Modeling Homogenous Agents Societies....Pages 246-252
Situation Calculus as Hybrid Logic: First Steps....Pages 253-260
A Modified Semantics for LUPS....Pages 261-275
On the Use of Multi-dimensional Dynamic Logic Programming to Represent Societal Agents’ Viewpoints....Pages 276-289
A Procedural Semantics for Multi-adjoint Logic Programming....Pages 290-297
Representing and Reasoning on Three-Dimensional Qualitative Orientation Point Objects....Pages 298-305
Encodings for Equilibrium Logic and Logic Programs with Nested Expressions....Pages 306-320
A Context-Free Grammar Representation for Normal Inhabitants of Types in TAλ....Pages 321-334
Permissive Belief Revision....Pages 335-348
Global Hull Consistency with Local Search for Continuous Constraint Solving....Pages 349-362
Towards Provably Complete Stochastic Search Algorithms for Satisfiability....Pages 363-370
A Combined Constraint-Based Search Method for Single-Track Railway Scheduling Problem....Pages 371-378
A Temporal Planning System for Time-Optimal Planning....Pages 379-392
SimPlanner: An Execution-Monitoring System for Replanning in Dynamic Worlds....Pages 393-400
Hybrid Hierarchical Knowledge Organization for Planning....Pages 401-408
STeLLa: An Optimal Sequential and Parallel Planner....Pages 409-416