KEYWORDS FOR IJCAI 2013 (only use indented phrases) Agent-based and Multi-agent Systems Agent Communication Agent Theories and Architectures Agreement Technologies Argumentation Auctions and Market-Based Systems Coordination and Collaboration Distributed AI E-Commerce Game Theory Multi-agent Learning Multi-agent Planning Multi-agent Systems Simulation and Emergent Behavior Social Choice Computational Sustainability Climate Economics and Society Energy Evaluating Sustainability Impacts Human-Built Systems and Land Use Natural Resources and Ecosystems Constraints, Satisfiability, and Search Applications Constraint Optimization Constraint Satisfaction Distributed Constraints Dynamic Programming Evaluation and Analysis Global Constraints Heuristic Search Meta-heuristics Modeling Quantifier Formulations Satisfiability Search Solvers and Tools Symmetry Knowledge Representation, Reasoning and Logic Action, Change and Causality Automated Reasoning and Theorem Proving Beliefs and Knowledge Case-based reasoning Common-Sense Reasoning Computational Complexity Description Logics and Ontologies Diagnosis and Abductive Reasoning Geometric, Spatial, and Temporal Reasoning Knowledge Representation Logic Programming Many-Valued and Fuzzy Logics Non-monotonic Reasoning Preferences Qualitative Reasoning Reasoning with Beliefs Machine Learning Active Learning Case-based Reasoning Classification Cost-Sensitive Learning Data Mining Deep Learning Ensemble Methods Evolutionary Computation Feature Selection/Construction Kernel Methods Learning Graphical Models Learning Preferences or Rankings Learning Theory Machine Learning Neural Networks Online Learning Reinforcement Learning Relational Learning Semi-Supervised/Unsupervised Learning Structured Learning Time-series/Data Streams Transfer, Adaptation, Multi-task Learning Multidisciplinary Topics And Applications AI and Natural Sciences AI and Social Sciences AI and Ubiquitous Computing Systems Art and Music Autonomic Computing Brain Sciences Cognitive Modeling Computational Biology and e-Health Computational Sustainability Computer Games Computer-Aided Education Human-Computer Interaction Intelligent Database Systems Intelligent User Interfaces Interactive Entertainment Knowledge-based Software Engineering Personalization and User Modeling Philosophical and Ethical Issues Real-Time Systems Security and Privacy Validation and Verification Natural-Language Processing Dialogue Discourse Information Extraction Information Retrieval Machine Translation Morphology and Phonology Natural Language Generation Natural Language Processing Natural Language Semantics Natural Language Summarization Natural Language Syntax Psycholinguistics Question Answering Speech Recognition and Understanding Text Classification Planning and Scheduling Activity and Plan Recognition Applications of Planning Conformant/Contingent Planning Hierarchical Task Networks Hybrid Systems Markov Decisions Processes Plan Execution and Monitoring Planning Algorithms Planning under Uncertainty POMDPs Real-time Planning Robot Planning Scheduling Search in Planning and Scheduling Theoretical Foundations of Planning Robotics and Vision Behavior and Control Cognitive Robotics Human Robot Interaction Localization, Mapping, State Estimation Manipulation Motion and Path Planning Multi-Robot Systems Robotics Sensor Networks Vision and Perception Uncertainty in AI Approximate Probabilistic Inference Bayesian Networks Decision/Utility Theory Exact Probabilistic Inference Graphical Models Preference Elicitation Sequential Decision Making Uncertainty Web and Knowledge-based Information Systems Information Extraction Information Integration Information Retrieval Knowledge Acquisition Knowledge Engineering Knowledge-based Systems Ontologies Recommender Systems Semantic Web Social Networks Source Wrapping Web Mining Web Search Web Technologies