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VOLUME 8, ISSUE 1, PAPER 5


An extension of data automata that captures XPath

©Mikołaj Bojańczyk, University of Warsaw
©Sławomir Lasota, University of Warsaw

Abstract
We define a new kind of automata recognizing properties of data words or data trees and prove that the automata capture all queries definable in Regular XPath. We show that the automata-theoretic approach may be applied to answer decidability and expressibility questions for XPath.

Publication date: February 16, 2012

Full Text: PDF | PostScript
DOI: 10.2168/LMCS-8(1:5)2012

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