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Expressing OLAP operators with the TAX XML algebra
Proceedings of the 2008 EDBT workshop on Database technologies for handling XML information on the web - DataX '08
With the rise of XML as a standard for representing business data, XML data warehouses appear as suitable solutions for Web-based decision-support applications. In this context, it is necessary to allow OLAP analyses over XML data cubes (XOLAP). Thus, XQuery extensions are needed. To help define a formal framework and allow much-needed performance optimizations on analytical queries expressed in XQuery, having an algebra at one's disposal is desirable. However, XOLAP approaches and algebrasdoi:10.1145/1416691.1416703 fatcat:kbeswptdirgmtc3lmotc4twcd4