Using the Capabilities of XML and Materialized Views in Creating a Near Real-Time Data Warehouse
Subject Areas : electrical and computer engineering
S. M.
Shafaei
1
S. M.
Shafaei
2
Keywords: Near real-time data warehouse, materialized view, XML, XSTL, XQuery,
Abstract :
A major challenge in the field of platforms and applications is how to display and combine the results of real-time and static partitions, as well as reduce the response time of on-line analytical processing queries in a near real-time data warehouse. So appropriate content in a near real-time data warehouse can be produced through a common interface for the results of queries. This article provides an architecture that includes an XML/XSLT interface approach to generate appropriate content and also creating materialized views in the client side. In this architecture, providing a model-based HTML output, distribution and composition of results, are presented. In addition, two parallel approaches for incorporating the results of real-time and static partitions of near real-time data warehouse architecture are proposed. In the proposed architecture, the fundamental role of XML and its related technologies, the production and maintenance of content in near real-time data warehouse is determined. The results show that response time of on-line analytical processing queries via materialized views in the server and client side is reduced. Introduced functions for selecting materialized views in the both of client and server sides improve the storage space.
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