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Authors: Matti Heikkurinen 1 ; Tapio Niemi 2 ; Marko Niinimäki 3 and Vesa Sivunen 3

Affiliations: 1 CERN IT Division, Openlab, Switzerland ; 2 University of Tampere, Finland ; 3 Helsinki Institute of Physics, Finland

Keyword(s): Grid, OLAP, Data warehousing

Related Ontology Subjects/Areas/Topics: Coupling and Integrating Heterogeneous Data Sources ; Data Warehouses and OLAP ; Databases and Information Systems Integration ; Enterprise Information Systems

Abstract: Deploying a data warehouse system in a company is usually an expensive and risky investement. Constructing a data warehouse is a large project that can take very long time and a company cannot know in advance exactly what benefits a data warehouse will offer. Thus, in many cases, data warehousing projects have either been abandoned or been shown to be at least partial failures. We propose a new method by providing a platform to implement business intelligence systems on. The basic idea is to construct the analysis database (i.e. an OLAP cube) on demand and only include the data that is needed for the analysis at hand from the operational databases. In this way the data is always up-to-date, suitable for the current analysis, and some of the biggest risks associated with data warehouse systems can be avoided. In addition, external data can be included in the analysis. The computational costs related to the cube construction are likely to remain at acceptable level, since only the rel evant part of the data for the current analysis is needed from operational databases. We outline the use of Grid techologies in the implementation to offer a cost-effective way to harness enough computing power used on parallel processing and sufficient security infrastructure (GSI). To deal with heterogenous data sources the XML language with XSL transformations is applied. (More)

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Paper citation in several formats:
Heikkurinen, M.; Niemi, T.; Niinimäki, M. and Sivunen, V. (2004). A FRAMEWORK FOR ON-DEMAND INTEGRATION OF ENTERPRISE DATA SOURCES. In Proceedings of the Sixth International Conference on Enterprise Information Systems - Volume 1: ICEIS, ISBN 972-8865-00-7; ISSN 2184-4992, pages 604-608. DOI: 10.5220/0002655806040608

@conference{iceis04,
author={Matti Heikkurinen. and Tapio Niemi. and Marko Niinimäki. and Vesa Sivunen.},
title={A FRAMEWORK FOR ON-DEMAND INTEGRATION OF ENTERPRISE DATA SOURCES},
booktitle={Proceedings of the Sixth International Conference on Enterprise Information Systems - Volume 1: ICEIS,},
year={2004},
pages={604-608},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002655806040608},
isbn={972-8865-00-7},
issn={2184-4992},
}

TY - CONF

JO - Proceedings of the Sixth International Conference on Enterprise Information Systems - Volume 1: ICEIS,
TI - A FRAMEWORK FOR ON-DEMAND INTEGRATION OF ENTERPRISE DATA SOURCES
SN - 972-8865-00-7
IS - 2184-4992
AU - Heikkurinen, M.
AU - Niemi, T.
AU - Niinimäki, M.
AU - Sivunen, V.
PY - 2004
SP - 604
EP - 608
DO - 10.5220/0002655806040608

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