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Displaying similar documents to “Construction of a robust parser from a deterministic reduced parser”

Nested Sibling Tree Automata

Françoise Gire, Jean-Marc Talbot (2009)

RAIRO - Theoretical Informatics and Applications

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In the XML standard, data are represented as unranked labeled ordered trees. Regular unranked tree automata provide a useful formalism for the validation of schemas enforcing regular structural constraints on XML documents. However some concrete application contexts need the expression of more general constraints than the regular ones. In this paper we propose a new framework in which context-free style structural constraints can be expressed and validated. This framework is characterized...

Learning tree languages from text

Henning Fernau (2007)

RAIRO - Theoretical Informatics and Applications

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We study the problem of learning regular tree languages from text. We show that the framework of function distinguishability, as introduced by the author in [ (2003) 1679–1711], can be generalized from the case of string languages towards tree languages. This provides a large source of identifiable classes of regular tree languages. Each of these classes can be characterized in various ways. Moreover, we present a generic inference algorithm with polynomial update...

Systolic tree acceptors

Karel Ii Culik, Arto Salomaa, Derick Wood (1984)

RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications

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Deciding inclusion of set constants over infinite non-strict data structures

Manfred Schmidt-Schauss, David Sabel, Marko Schütz (2007)

RAIRO - Theoretical Informatics and Applications

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Various static analyses of functional programming languages that permit infinite data structures make use of set constants like , , and , denoting all terms, all lists not eventually ending in Nil, and all non-terminating programs, respectively. We use a set language that permits union, constructors and recursive definition of set constants with a greatest fixpoint semantics in the set of all, also infinite, computable trees, where all term constructors are non-strict. ...

Rational tree relations.

Raoult, Jean-Claude (1997)

Bulletin of the Belgian Mathematical Society - Simon Stevin

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