Advances in Artificial Intelligence: 24th Canadian Conference on Artificial Intelligence, Canadian AI 2011, St. John’s, Canada, May 25-27, 2011. Proceedings

Front Matter....Pages -
Dynamic Obstacle Representations for Robot and Virtual Agent Navigation....Pages 1-12
Grounding Formulas with Complex Terms....Pages 13-25
Moving Object Modelling Approach for Lowering Uncertainty in Location Tracking Systems....Pages 26-31
Unsupervised Relation Extraction Using Dependency Trees for Automatic Generation of Multiple-Choice Questions....Pages 32-43
An Improved Satisfiable SAT Generator Based on Random Subgraph Isomorphism....Pages 44-49
Utility Estimation in Large Preference Graphs Using A* Search....Pages 50-55
A Learning Method for Developing PROAFTN Classifiers and a Comparative Study with Decision Trees....Pages 56-61
Using a Heterogeneous Dataset for Emotion Analysis in Text....Pages 62-67
Using Semantic Information to Answer Complex Questions....Pages 68-73
Automatic Semantic Web Annotation of Named Entities....Pages 74-85
Learning Dialogue POMDP Models from Data....Pages 86-91
Characterizing a Brain-Based Value-Function Approximator....Pages 92-103
Answer Set Programming for Stream Reasoning....Pages 104-109
A Markov Decision Process Model for Strategic Decision Making in Sailboat Racing....Pages 110-121
Exploiting Conversational Features to Detect High-Quality Blog Comments....Pages 122-127
Consolidation Using Context-Sensitive Multiple Task Learning....Pages 128-139
Extracting Relations between Diseases, Treatments, and Tests from Clinical Data....Pages 140-145
Compact Features for Sentiment Analysis....Pages 146-157
Instance Selection in Semi-supervised Learning....Pages 158-169
Determining an Optimal Seismic Network Configuration Using Self-Organizing Maps....Pages 170-173
Comparison of Learned versus Engineered Features for Classification of Mine Like Objects from Raw Sonar Images....Pages 174-185
Learning Probability Distributions over Permutations by Means of Fourier Coefficients....Pages 186-191
Correcting Different Types of Errors in Texts....Pages 192-203
Simulating the Effect of Emotional Stress on Task Performance Using OCC....Pages 204-209
Base Station Controlled Intelligent Clustering Routing in Wireless Sensor Networks....Pages 210-215
Comparison of Semantic Similarity for Different Languages Using the Google n-gram Corpus and Second-Order Co-occurrence Measures....Pages 216-221
A Supervised Method of Feature Weighting for Measuring Semantic Relatedness....Pages 222-233
Anomaly-Based Network Intrusion Detection Using Outlier Subspace Analysis: A Case Study....Pages 234-239
Evaluation and Application of Scenario Based Design on Thunderbird....Pages 240-245
Improving Phenotype Name Recognition....Pages 246-257
Classifying Severely Imbalanced Data....Pages 258-264
Simulating Cognitive Phenomena with a Symbolic Dynamical System....Pages 265-268
Finding Small Backdoors in SAT Instances....Pages 269-280
Normal Distribution Re-Weighting for Personalized Web Search....Pages 281-284
Granular State Space Search....Pages 285-290
Comparing Humans and Automatic Speech Recognition Systems in Recognizing Dysarthric Speech....Pages 291-300
A Context-Aware Reputation-Based Model of Trust for Open Multi-agent Environments....Pages 301-312
Pazesh: A Graph-Based Approach to Increase Readability of Automatic Text Summaries....Pages 313-318
Textual and Graphical Presentation of Environmental Information....Pages 319-322
Comparing Distributional and Mirror Translation Similarities for Extracting Synonyms....Pages 323-334
Generic Solution Construction in Valuation-Based Systems....Pages 335-346
Cross-Lingual Word Sense Disambiguation for Languages with Scarce Resources....Pages 347-358
COSINE: A Vertical Group Difference Approach to Contrast Set Mining....Pages 359-371
Hybrid Reasoning for Ontology Classification....Pages 372-376
Subspace Mapping of Noisy Text Documents....Pages 377-383
Extending AdaBoost to Iteratively Vary Its Base Classifiers....Pages 384-389
Parallelizing a Convergent Approximate Inference Method....Pages 390-395
Reducing Position-Sensitive Subset Ranking to Classification....Pages 396-407
Intelligent Software Development Environments: Integrating Natural Language Processing with the Eclipse Platform....Pages 408-419
Partial Evaluation for Planning in Multiagent Expedition....Pages 420-432
Back Matter....Pages -