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XML Grammars

  • Jean Berstel
  • Luc Boasson
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1893)

Abstract

XML documents are described by a document type definition (DTD). An XML-grammar is a formal grammar that captures the syntactic features of a DTD. We investigate properties of this family of grammars. We show that an XML-language basically has a unique XML-grammar. We give two characterizations of languages generated by XML-grammars, one is set-theoretic, the other is by a kind of saturation property. We investigate decidability problems and prove that some properties that are undecidable for general context-free languages become decidable for XML-languages.

Keywords

Regular Language Extensible Markup Formal Grammar Formal Language Theory Simple Grammar 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • Jean Berstel
    • 1
  • Luc Boasson
    • 2
  1. 1.Institut Gaspard Monge (IGM)Université Marne-la-ValléeFrance
  2. 2.Laboratoire d’informatique algorithmique: fondements et applications (LIAFA)Université Denis-DiderotParis Cédex 05

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