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Reinhard Pichler

2 accepted papers

2020

Fast and Parallel Decomposition of Constraint Satisfaction Problems

IJCAI 2020poster

Constraint Satisfaction Problems (CSP) are notoriously hard. Consequently, powerful decomposition methods have been developed to overcome this complexity. However, this poses the challenge of actually computing such a decomposition for a given CSP instance, and previous algorithms have shown their l…

2020

Semantic Width and the Fixed-Parameter Tractability of Constraint Satisfaction Problems

IJCAI 2020poster

Constraint satisfaction problems (CSPs) are an important formal framework for the uniform treatment of various prominent AI tasks, e.g., coloring or scheduling problems. Solving CSPs is, in general, known to be NP-complete and fixed-parameter intractable when parameterized by their constraint scopes…

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