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Dynamic View Selection for OLAP

Dynamic View Selection for OLAP

Michael Lawrence, Andrew Rau-Chaplin
Copyright: © 2008 |Volume: 4 |Issue: 1 |Pages: 15
ISSN: 1548-3924|EISSN: 1548-3932|ISSN: 1548-3924|EISBN13: 9781615202058|EISSN: 1548-3924|DOI: 10.4018/jdwm.2008010103
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MLA

Lawrence, Michael, and Andrew Rau-Chaplin. "Dynamic View Selection for OLAP." IJDWM vol.4, no.1 2008: pp.47-61. http://doi.org/10.4018/jdwm.2008010103

APA

Lawrence, M. & Rau-Chaplin, A. (2008). Dynamic View Selection for OLAP. International Journal of Data Warehousing and Mining (IJDWM), 4(1), 47-61. http://doi.org/10.4018/jdwm.2008010103

Chicago

Lawrence, Michael, and Andrew Rau-Chaplin. "Dynamic View Selection for OLAP," International Journal of Data Warehousing and Mining (IJDWM) 4, no.1: 47-61. http://doi.org/10.4018/jdwm.2008010103

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Abstract

In a data warehousing environment, aggregate views are often materialized in order to speed up aggregate queries of online analytical processing (OLAP). Due to the increasing size of data warehouses, it is often infeasible to materialize all views. View selection, the task of selecting a subset of views to materialize based on updates and expectations of the query load, is an important and challenging problem. In this article, we explore dynamic view selection in which the distribution of queries changes over time and the set of materialized views must be tuned by replacing some of the previously materialized views with new ones.

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