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» Minimizing Variants of Visibly Pushdown Automata
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MFCS
2007
Springer
13 years 11 months ago
Minimizing Variants of Visibly Pushdown Automata
The minimization problem for visibly pushdown automata (VPA) is studied. Two subclasses of VPA are introduced: call driven automata, and block automata. For the first class, minim...
Patrick Chervet, Igor Walukiewicz
CONCUR
2006
Springer
13 years 9 months ago
Minimization, Learning, and Conformance Testing of Boolean Programs
Boolean programs with recursion are convenient abstractions of sequential imperative programs, and can be represented as recursive state machines (RSMs) or pushdown automata. Motiv...
Viraj Kumar, P. Madhusudan, Mahesh Viswanathan
MFCS
2009
Springer
13 years 11 months ago
Query Automata for Nested Words
We study visibly pushdown automata (VPA) models for expressing and evaluating queries, expressed using MSO formulas, on words with a nesting structure (like XML documents). We de...
P. Madhusudan, Mahesh Viswanathan
CAV
2009
Springer
215views Hardware» more  CAV 2009»
14 years 5 months ago
Homer: A Higher-Order Observational Equivalence Model checkER
We present HOMER, an observational-equivalence model checker for the 3rd-order fragment of Idealized Algol (IA) augmented with iteration. It works by first translating terms of the...
David Hopkins, C.-H. Luke Ong