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ICALP
2004
Springer
15 years 5 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
POPL
1994
ACM
15 years 4 months ago
An Incremental Algorithm for Maintaining the Dominator Tree of a Reducible Flowgraph
We present a new incremental algorithm for the problem of maintaining the dominator tree of a reducible flowgraph as the flowgraph undergoes changes such as the insertion and dele...
G. Ramalingam, Thomas W. Reps
93
Voted
APLAS
2007
ACM
15 years 3 months ago
Adjunct Elimination in Context Logic for Trees
Abstract. We study adjunct-elimination results for Context Logic applied to trees, following previous results by Lozes for Separation Logic and Ambient Logic. In fact, it is not po...
Cristiano Calcagno, Thomas Dinsdale-Young, Philipp...
PODS
2010
ACM
170views Database» more  PODS 2010»
15 years 5 months ago
A learning algorithm for top-down XML transformations
A generalization from string to trees and from languages to translations is given of the classical result that any regular language can be learned from examples: it is shown that ...
Aurélien Lemay, Sebastian Maneth, Joachim N...
ICALP
2007
Springer
15 years 6 months ago
Bounded Depth Data Trees
A data tree is a tree where each node has a label from a finite set, and a data value from a possibly infinite set. We consider data trees whose depth is bounded beforehand. By d...
Henrik Björklund, Mikolaj Bojanczyk