Fundamenta Informaticae · 2009 · 25 citations · 5 references
Multiset Language ClassesLanguage DocumentationLanguage ClassesEngineeringWorld LanguagesComputational LinguisticsClosure PropertiesChomsky HierarchyFormal MethodsPushdown AutomatonAutomaton OperationTree AutomatonComputer ScienceLanguage StudiesExtensible LanguageFormal VerificationAlternative CharacterizationsLinguistics
The previously introduced multiset language classes defined by multiset pushdown automata are being explored with respect to their closure properties and alternative characterizations.
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Rational sets in commutative monoids
Samuel Eilenberg, M. P. Schützenberger · Journal of Algebra · 1969 · 222 citations
Manfred Kudlek, Patrick Totzke, Georg Zetzsche · Fundamenta Informaticae · 2009 · 25 citations
Closure Properties of Multiset Language Families
Manfred Kudlek, Víctor Mitrana · Fundamenta Informaticae · 2002 · 17 citations