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Un Nuevo Paso hacia XQuery Flexible.

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Author(s): Marlene Goncalves | Leonid Tineo

Journal: Avances en Sistemas e Informática
ISSN 1657-7663

Volume: 4;
Issue: 3;
Start page: 27;
Date: 2007;
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Keywords: XML | XML Schema | XQuery | Fuzzy Logic | SQLf

ABSTRACT
Currently, the Web is a great data repository that requires suitable querying mechanisms. There is a lot of published semi-structured data in XML documents. In this sense, XQuery has been conceived with the aim of becoming the standard for XML database querying. This query language is based on the single document querying standard XPath. Itallows the formulation of Boolean selection criteria based on Path Expressions. On the other hand, there is a variety of emerging applications with preference based requirements that could not be expressed with Boolean logic based queries. An alternative way to this problem would be the use of fuzzy logic. Several authors have applied fuzzy Logic to relational database queries. Nevertheless, few works have been presented in order to make more flexible WWW query languages. In this work, we propose an extension of path expressions with fuzzy logic. It would be a new step towards a more flexible XQuery language for Web based non-traditional information systems.
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