Abstraction, Reformulation, and Approximation: 7th International Symposium, SARA 2007, Whistler, Canada, July 18-21, 2007, Proceedings: Lecture Notes in Computer Science, cartea 4612

Invited Talks (Abstracts).- State Abstraction in Real-Time Heuristic Search.- Abstraction and Reformulation in the Generation of Constraint Models.- A Framework for Integrating Optimization and Constraint Programming.- Research Papers.- DFS-Tree Based Heuristic Search.- Partial Pattern Databases.- CDB-PV: A Constraint Database-Based Program Verifier.- Generating Implied Boolean Constraints Via Singleton Consistency.- Reformulating Constraint Satisfaction Problems to Improve Scalability.- Reformulating Global Constraints: The Slide and Regular Constraints.- Relaxation of Qualitative Constraint Networks.- Dynamic Domain Abstraction Through Meta-diagnosis.- Channeling Abstraction.- Approximate Model-Based Diagnosis Using Greedy Stochastic Search.- Combining Perimeter Search and Pattern Database Abstractions.- Solving Satisfiability in Ground Logic with Equality by Efficient Conversion to Propositional Logic.- Tailoring Solver-Independent Constraint Models: A Case Study with Essence? and Minion.- A Meta-CSP Model for Optimal Planning.- Reformulation for Extensional Reasoning.- An Abstract Theory and Ontology of Motion Based on the Regions Connection Calculus.- Computing and Using Lower and Upper Bounds for Action Elimination in MDP Planning.- Model-Based Exploration in Continuous State Spaces.- Active Learning of Dynamic Bayesian Networks in Markov Decision Processes.- Boosting MUS Extraction.- Homogeneous Hierarchical Composition of Areas in Multi-robot Area Coverage.- Formalizing the Abstraction Process in Model-Based Diagnosis.- Boolean Approximation Revisited.- An Analysis of Map-Based Abstraction and Refinement.- Solving Difficult SAT Instances Using Greedy Clique Decomposition.- Abstraction and Complexity Measures.- Research Summaries.- Abstraction, Emergence, andThought.- What’s Your Problem? The Problem of Problem Definition.- A Reformulation-Based Approach to Explanation in Constraint Satisfaction.- Integration of Constraint Programming and Metaheuristics.- Rule-Based Reasoning Via Abstraction.- Extensional Reasoning.- Reformulating Constraint Models Using Input Data.- Using Analogy Discovery to Create Abstractions.- Distributed CSPs: Why It Is Assumed a Variable per Agent?.- Decomposition of Games for Efficient Reasoning.- Generalized Constraint Acquisition.- Using Infeasibility to Improve Abstraction-Based Heuristics.- Leveraging Graph Locality Via Abstraction.