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CORR
2011
Springer

Pattern tree-based XOLAP rollup operator for XML complex hierarchies

9 years 10 months ago
Pattern tree-based XOLAP rollup operator for XML complex hierarchies
—With the rise of XML as a standard for representing business data, XML data warehousing appears as a suitable solution for decision-support applications. In this context, it is necessary to allow OLAP analyses on XML data cubes. Thus, XQuery extensions are needed. To define a formal framework and allow much-needed performance optimizations on analytical queries expressed in XQuery, defining an algebra is desirable. However, XML-OLAP (XOLAP) algebras from the literature still largely rely on the relational model. Hence, we propose in this paper a rollup operator based on a pattern tree in order to handle multidimensional XML data expressed within complex hierarchies.
Marouane Hachicha, Jérôme Darmont
Added 13 May 2011
Updated 13 May 2011
Type Journal
Year 2011
Where CORR
Authors Marouane Hachicha, Jérôme Darmont
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