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MFCS
2009
Springer
14 years 4 days ago
On Pebble Automata for Data Languages with Decidable Emptiness Problem
In this paper we study a subclass of pebble automata (PA) for data languages for which the emptiness problem is decidable. Namely, we show that the emptiness problem for weak 2-peb...
Tony Tan
PODS
2007
ACM
104views Database» more  PODS 2007»
14 years 5 months ago
XML transformation by tree-walking transducers with invisible pebbles
The pebble tree automaton and the pebble tree transducer are enhanced by additionally allowing an unbounded number of `invisible' pebbles (as opposed to the usual `visible�...
Joost Engelfriet, Hendrik Jan Hoogeboom, Bart Samw...
ICALP
2010
Springer
13 years 10 months ago
Probabilistic Automata on Finite Words: Decidable and Undecidable Problems
Abstract. This paper tackles three algorithmic problems for probabilistic automata on finite words: the Emptiness Problem, the Isolation Problem and the Value 1 Problem. The Empti...
Hugo Gimbert, Youssouf Oualhadj
LICS
2010
IEEE
13 years 4 months ago
Alternating Timed Automata over Bounded Time
Alternating timed automata are a powerful extension of classical Alur-Dill timed automata that are closed under all Boolean operations. They have played a key role, among others, ...
Mark Jenkins, Joël Ouaknine, Alexander Rabino...
ICALP
2009
Springer
14 years 5 months ago
Weak Alternating Timed Automata
Alternating timed automata on infinite words are considered. The main result is a characterization of acceptance conditions for which the emptiness problem for the automata is deci...
Pawel Parys, Igor Walukiewicz