View Materialization in a Data Cube: Optimization Models and Heuristics

View Materialization in a Data Cube: Optimization Models and Heuristics

Vikas Agrawal (Fayetteville State University, USA), P. S. Sundararaghavan (The University of Toledo, USA), Mesbah U. Ahmed (The University of Toledo, USA) and Udayan Nandkeolyar (The University of Toledo, USA)
Copyright: © 2007 |Pages: 20
DOI: 10.4018/jdm.2007070101
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Abstract

Data warehouse has become an integral part in developing a DSS in any organization. One of the key architectural issues concerning the efficient design of a data warehouse is to determine the “right” number of views to be materialized in order to minimize the query response time experienced by the decision makers in the organization. We consider a bottleneck objective in designing such a materialization scheme which has the effect of guaranteeing a certain level of performance. We examine linear integer programming formulations, and develop heuristics and report on the performance of these heuristics. We also evaluate heuristics reported in the literature for the view materialization problem with a simpler objective.

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