A Methodology for Building XML Data Warehouses

Laura Irina Rusu, J. Wenny Rahayu and David Taniar
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Laura Irina Rusu: La Trobe University, Australia
J. Wenny Rahayu: La Trobe University, Australia
David Taniar: Monash University, Australia

International Journal of Data Warehousing and Mining (IJDWM), 2005, vol. 1, issue 2, 23-48

Abstract: Developing a data warehouse for XML documents involves two major processes: one of creating it, by processing XML raw documents into a specified data warehouse repository; and the other of querying it, by applying techniques to better answer users’ queries. This paper focuses on the first part; that is identifying a systematic approach for building a data warehouse of XML documents, specifically for transferring data from an underlying XML database into a defined XML data warehouse. The proposed methodology on building XML data warehouses covers processes including data cleaning and integration, summarization, intermediate XML documents, and updating/linking existing documents and creating fact tables. In this paper, we also present a case study on how to put this methodology into practice. We utilise the XQuery technology in all of the above processes.

Date: 2005
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