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Analytical Processing Over XML and XLink

Author

Listed:
  • Paulo Caetano da Silva

    (Salvador University and Federal University of Pernambuco, Brazil)

  • Valéria Cesário Times

    (Federal University of Pernambuco, Brazil)

  • Ricardo Rodrigues Ciferri

    (Federal University of São Carlos, Brazil)

  • Cristina Dutra de Aguiar Ciferri

    (University of São Paulo, Brazil)

Abstract

Current commercial and academic OLAP tools do not process XML data that contains XLink. Aiming at overcoming this issue, this paper proposes an analytical system composed by LMDQL, an analytical query language. Also, the XLDM metamodel is given to model cubes of XML documents with XLink and to deal with syntactic, semantic and structural heterogeneities commonly found in XML documents. As current W3C query languages for navigating in XML documents do not support XLink, XLPath is discussed in this article to provide features for the LMDQL query processing. A prototype system enabling the analytical processing of XML documents that use XLink is also detailed. This prototype includes a driver, named sql2xquery, which performs the mapping of SQL queries into XQuery. To validate the proposed system, a case study and its performance evaluation are presented to analyze the impact of analytical processing over XML/XLink documents.

Suggested Citation

  • Paulo Caetano da Silva & Valéria Cesário Times & Ricardo Rodrigues Ciferri & Cristina Dutra de Aguiar Ciferri, 2012. "Analytical Processing Over XML and XLink," International Journal of Data Warehousing and Mining (IJDWM), IGI Global, vol. 8(1), pages 52-92, January.
    • Handle: RePEc:igg:jdwm00:v:8:y:2012:i:1:p:52-92
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