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NFM
2011
223views Formal Methods» more  NFM 2011»
13 years 3 months ago
opaal: A Lattice Model Checker
Abstract. We present a new open source model checker, opaal, for automatic verification of models using lattice automata. Lattice automata allow the users to incorporate abstracti...
Andreas Engelbredt Dalsgaard, René Rydhof H...
DLOG
2010
13 years 6 months ago
Automata-Based Abduction for Tractable Diagnosis
Abstract. Abductive reasoning has been recognized as a valuable complement to deductive inference for tasks such as diagnosis and integration of incomplete information despite its ...
Thomas Hubauer, Steffen Lamparter, Michael Pirker
CPAIOR
2009
Springer
14 years 3 months ago
Reformulating Global Grammar Constraints
An attractive mechanism to specify global constraints in rostering and other domains is via formal languages. For instance, the REGULAR and GRAMMAR constraints specify constraints ...
George Katsirelos, Nina Narodytska, Toby Walsh
COMSIS
2010
13 years 6 months ago
On automata and language based grammar metrics
Abstract. Grammar metrics have been introduced to measure the quality and the complexity of the formal grammars. The aim of this paper is to explore the meaning of these notions an...
Matej Crepinsek, Tomaz Kosar, Marjan Mernik, Julie...
FOSSACS
2011
Springer
13 years 3 days ago
Minimizing Deterministic Lattice Automata
Traditional automata accept or reject their input, and are therefore Boolean. In contrast, weighted automata map each word to a value from a semiring over a large domain. The speci...
Shulamit Halamish, Orna Kupferman