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LATA
2009
Springer
13 years 11 months ago
Rigid Tree Automata
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...
Florent Jacquemard, Francis Klay, Camille Vacher
IANDC
2011
129views more  IANDC 2011»
12 years 11 months ago
Rigid tree automata and applications
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 res...
Florent Jacquemard, Francis Klay, Camille Vacher
ICALP
2004
Springer
13 years 10 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
IPL
2008
147views more  IPL 2008»
13 years 4 months ago
Streaming tree automata
Streaming validation and querying of XML documents are often based on automata for tree-like structures. We propose a new notion of streaming tree automata in order to unify the t...
Olivier Gauwin, Joachim Niehren, Yves Roos
WIA
2009
Springer
13 years 11 months ago
Random Generation of Deterministic Tree (Walking) Automata
Uniform random generators deliver a simple empirical means to estimate the average complexity of an algorithm. We present a general rejection algorithm that generates sequential le...
Pierre-Cyrille Héam, Cyril Nicaud, Sylvain ...