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Erschienen in:
2001 | OriginalPaper | Buchkapitel
Approximating Dependency Graphs Using Tree Automata Techniques
verfasst von : Aart Middeldorp
Erschienen in: Automated Reasoning
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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The dependency pair method of Arts and Giesl is the most powerful technique for proving termination of term rewrite systems automatically. We show that the method can be improved by using tree automata techniques to obtain better approximations of the dependency graph. This graph determines the ordering constraints that need to be solved in order to conclude termination. We further show that by using our approximations the dependency pair method provides a decision procedure for termination of right-ground rewrite systems.