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» Trees, Automata and XML
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PODS
2007
ACM
104views Database» more  PODS 2007»
15 years 9 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...
93
Voted
LICS
2010
IEEE
14 years 8 months ago
The Emptiness Problem for Tree Automata with Global Constraints
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...
Luis Barguñó, Carles Creus, Guillem ...
79
Voted
ICALP
2004
Springer
15 years 2 months ago
Tree-Walking Automata Cannot Be Determinized
Tree-walking automata are a natural sequential model for recognizing languages of finite trees. Such automata walk around the tree and may decide in the end to accept it. It is s...
Mikolaj Bojanczyk, Thomas Colcombet
DBPL
2007
Springer
98views Database» more  DBPL 2007»
15 years 3 months ago
Towards Practical Typechecking for Macro Tree Transducers
Macro tree transducers (mtt) are an important model that both covers many useful XML transformations and allows decidable exact typechecking. This paper reports our first step tow...
Alain Frisch, Haruo Hosoya
ICALP
2000
Springer
15 years 1 months ago
On the Power of Tree-Walking Automata
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...
Frank Neven, Thomas Schwentick