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International Colloquium on Theoretical Aspects of Computing

ICTAC 2009: Theoretical Aspects of Computing - ICTAC 2009 pp 246–260Cite as

On the Relative Expressive Power of Contextual Grammars with Maximal and Depth-First Derivations

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Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 5684))

Abstract

In the recent years, several new classes of contextual grammars have been introduced to give an appropriate model description to natural languages. With this aim, some new families of contextual languages have been introduced based on maximal and depth-first conditions and analyzed in the framework of so-called mildly context sensitive languages. However, the relationship among these families of languages have not yet been analyzed in detail. In this paper, we investigate the relationship between the families of languages whose grammars are based on maximal and depth-first conditions. We prove an interesting result that all these families of languages are incomparable to each other, but they are not disjoint.

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Author information

Authors and Affiliations

  1. ALPAGE, INRIA-Rocquencourt Le Chesnay, 78153, France

    Lakshmanan Kuppusamy

  2. Department of Computer Science and Engineering, Indian Institute of Technology Madras, Chennai, 600 036, India

    Kamala Krithivasan

Authors
  1. Lakshmanan Kuppusamy
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  2. Kamala Krithivasan
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Editor information

Editors and Affiliations

  1. Institut für Informatik, TU München, Boltzmannstr. 3, 85748, Garching, Germany

    Martin Leucker

  2. School of Computer Science and Engineering, University of New South Wales, Sydney, Australia

    Carroll Morgan

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Kuppusamy, L., Krithivasan, K. (2009). On the Relative Expressive Power of Contextual Grammars with Maximal and Depth-First Derivations. In: Leucker, M., Morgan, C. (eds) Theoretical Aspects of Computing - ICTAC 2009. ICTAC 2009. Lecture Notes in Computer Science, vol 5684. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03466-4_16

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  • DOI: https://doi.org/10.1007/978-3-642-03466-4_16

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-03465-7

  • Online ISBN: 978-3-642-03466-4

  • eBook Packages: Computer ScienceComputer Science (R0)

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