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Tree Pattern Rewriting Systems
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BibTeX
@MISC{Genest_treepattern,
author = {B. Genest and A. Muscholl and O. Serre and M. Zeitoun},
title = {Tree Pattern Rewriting Systems },
year = {}
}
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Abstract
Classical verification often uses abstraction when dealing with data. On the other hand, dynamic XML-based applications have become pervasive, for instance with the ever growing importance of web services. We define here Tree Pattern Rewriting Systems (TPRS) as an abstract model of dynamic XML-based documents. TPRS systems generate infinite transition systems, where states are unranked and unordered trees (hence possibly modeling XML documents). Their guarded transition rules are described by means of tree patterns. Our main result is that given a TPRS system (T, R), a tree pattern P and some integer k such that any reachable document from T has depth at most k, it is decidable (albeit of non elementary complexity) whether some tree matching P is reachable from T.
Keyphrases
tree pattern rewriting system tprs system tree pattern classical verification web service dynamic xml-based application unordered tree main result infinite transition system dynamic xml-based document guarded transition rule xml document non elementary complexity abstract model reachable document
