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PODS
2010
ACM
170views Database» more  PODS 2010»
13 years 10 months ago
Simplifying XML schema: single-type approximations of regular tree languages
XML Schema Definitions (XSDs) can be adequately abstracted by the single-type regular tree languages. It is wellknown, that these form a strict subclass of the robust class of re...
Wouter Gelade, Tomasz Idziaszek, Wim Martens, Fran...
ACL
1992
13 years 6 months ago
Linear Context-Free Rewriting Systems and Deterministic Tree-Walking Transducers
We show that the class of string languages generated by linear context-free rewriting systems is equal to the class of output languages of deterministic treewalking transducers. F...
David J. Weir
ESOP
2000
Springer
13 years 9 months ago
Improving the Representation of Infinite Trees to Deal with Sets of Trees
In order to deal efficiently with infinite regular trees (or other pointed graph structures), we give new algorithms to store such structures. The trees are stored in such a way th...
Laurent Mauborgne
CSL
2001
Springer
13 years 10 months ago
Beyond Regularity: Equational Tree Automata for Associative and Commutative Theories
Abstract. A new tree automata framework, called equational tree automata, is presented. In the newly introduced setting, congruence closures of recognizable tree languages are reco...
Hitoshi Ohsaki
MLG
2007
Springer
13 years 11 months ago
A Universal Kernel for Learning Regular Languages
We give a universal kernel that renders all the regular languages linearly separable. We are not able to compute this kernel efficiently and conjecture that it is intractable, but...
Leonid Kontorovich