655 search results - page 3 / 131 » Automata, Logic, and XML |
ICALP
2000
Springer
13 years 9 months ago
2000
Springer
Abstract. Tree-walking automata (TWAs) recently received new attention in the fields of formal languages and databases. Towards a better understanding of their expressiveness, we c...
DKE
2007
13 years 5 months ago
2007
XPath is the standard language for addressing parts of an XML document. We present a sound and complete decision procedure for containment of XPath queries. The considered XPath f...
FROCOS
2007
Springer
13 years 12 months ago
2007
Springer
Abstract. We propose a new class of tree automata, called tree automata with normalization (TAN). This framework extends equational tree automata, and improved the results of them:...
LICS
2012
IEEE
11 years 8 months ago
2012
IEEE
—Data trees are trees in which each node, besides carrying a label from a finite alphabet, also carries a data value infinite domain. They have been used as an abstraction mode...
LICS
2010
IEEE
13 years 4 months ago
2010
IEEE
We define tree automata with global constraints (TAGC), generalizing the well-known class of tree automata with global equality and disequality constraints [14] (TAGED). TAGC can...