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IMA Journal of Management Mathematics Advance Access published online on April 12, 2005
IMA Journal of Management Mathematics, doi:10.1093/imaman/dpi012
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© The author 2005. Published by Oxford University Press on behalf of the Institute of Mathematics and its Applications. All rights reserved.
Received March 16, 2003
Revised August 12, 2003
Accepted December 20, 2004

Article

On defining OLAP formulations

Basilis Boutsinas 1*

1 Department of Business Administration, University of Patras Artificial Intelligence Research Center, University of Patras, 26500 Rio, Patras, Greece

* To whom correspondence should be addressed.
Basilis Boutsinas, E-mail: vutsinas{at}upatras.gr


  Abstract

Recently there has been increasing interest in On Line Analytical Processing (OLAP) to satisfy the organizational needs of high-level information delivery and advanced data analysis. The actual application of OLAP tools involves the use of various functions, such as the common drilling down and slicing and dicing. Usually each particular OLAP function is comprehensive and intuitive. However, sophisticated use of OLAP tools requires complicated combinations of different OLAP functions that are not straightforward for end users or designers. In this paper we attempt to enumerate and formally define OLAP functions by defining a new OLAP model that provides a broader view of OLAP. We demonstrate the expressive adequacy of the new OLAP model with application examples.

Keywords: OLAP; data warehousing; knowledge representation.
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