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CSL
2001
Springer
13 years 9 months ago
2001
Springer
Abstract. A new tree automata framework, called equational tree automata, is presented. In the newly introduced setting, congruence closures of recognizable tree languages are reco...
CSR
2007
Springer
13 years 11 months ago
2007
Springer
Traditionally, data that has both linear and hierarchical structure, such as annotated linguistic data, is modeled using ordered trees and queried using tree automata. In this pap...
LATA
2009
Springer
13 years 11 months ago
2009
Springer
We introduce the class of Rigid Tree Automata (RTA), an extension of standard bottom-up automata on ranked trees with distinguished states called rigid. Rigid states define a rest...
RTA
2005
Springer
13 years 10 months ago
2005
Springer
We present a new method for proving termination of term rewriting systems automatically. It is a generalization of the match bound method for string rewriting. To prove that a term...
CORR
2011
Springer
12 years 11 months ago
2011
Springer
The complexity of the isomorphism problem for regular trees, regular linear orders, and regular words is analyzed. A tree is regular if it is isomorphic to the prefix order on a r...