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» A Direct Translation from XPath to Nondeterministic Automata
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AMW
2011
12 years 8 months ago
A Direct Translation from XPath to Nondeterministic Automata
Since navigational aspects of XPath correspond to first-order definability, it has been proposed to use the analogy with the very successful technique of translating LTL into aut...
Nadime Francis, Claire David, Leonid Libkin
ATVA
2006
Springer
121views Hardware» more  ATVA 2006»
13 years 8 months ago
On the Succinctness of Nondeterminism
Abstract. Much is known about the differences in expressiveness and succinctness between nondeterministic and deterministic automata on infinite words. Much less is known about the...
Benjamin Aminof, Orna Kupferman
ICDT
2010
ACM
259views Database» more  ICDT 2010»
14 years 1 months ago
Forward-XPath and extended register automata on data-trees
We consider a fragment of XPath named `forward-XPath', which contains all descendant and rightwards sibling axes as well as data equality and inequality tests. The satisfiabi...
Diego Figueira
ENTCS
2006
123views more  ENTCS 2006»
13 years 4 months ago
From Discrete Duration Calculus to Symbolic Automata
The goal of this paper is to translate (fragments of) the quantified discrete duration calculus QDDC, proposed by P. Pandya, into symbolic acceptors with counters. Acceptors are w...
Laure Gonnord, Nicolas Halbwachs, Pascal Raymond
ICTAC
2007
Springer
13 years 10 months ago
Linear Context Free Languages
Abstract. In this paper, I present the class of linear context free languages (LCFLs) with a class of non-deterministic one-way two-head (read only) automata, called non-determinis...
Roussanka Loukanova