263 search results - page 4 / 53 » Rigid Tree Automata |
CAI
2009
Springer
14 years 2 months ago
2009
Springer
Two types of simulations for weighted tree automata (wta) are considered. Wta process trees and assign a weight to each of them. The weights are taken from a semiring. The two type...
FCT
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. We investigate bottom-up and top-down deterministic automata on unranked trees. We show that for an appropriate definition of bottom-up deterministic automata it is poss...
FSTTCS
2009
Springer
14 years 2 months ago
2009
Springer
ABSTRACT. We continue the study of bottom-up unranked tree automata with equality and disequality constraints between direct subtrees. In particular, we show that the emptiness pro...
ILC
2007
Springer
14 years 1 months ago
2007
Springer
Two-way alternating automata were introduced by Vardi in order to study the satisfiability problem for the modal µ-calculus extended with backwards modalities. In this paper, we ...
LATA
2009
Springer
14 years 2 months ago
2009
Springer