A Region Splitting Strategy for Physical Database Design of Multidimensional File Organizations.
Jong-Hak Lee, Young-Koo Lee, Kyu-Young Whang, Il-Yeol Song:
A Region Splitting Strategy for Physical Database Design of Multidimensional File Organizations.
VLDB 1997: 416-425@inproceedings{DBLP:conf/vldb/LeeLWS97,
author = {Jong-Hak Lee and
Young-Koo Lee and
Kyu-Young Whang and
Il-Yeol Song},
editor = {Matthias Jarke and
Michael J. Carey and
Klaus R. Dittrich and
Frederick H. Lochovsky and
Pericles Loucopoulos and
Manfred A. Jeusfeld},
title = {A Region Splitting Strategy for Physical Database Design of Multidimensional
File Organizations},
booktitle = {VLDB'97, Proceedings of 23rd International Conference on Very
Large Data Bases, August 25-29, 1997, Athens, Greece},
publisher = {Morgan Kaufmann},
year = {1997},
isbn = {1-55860-470-7},
pages = {416-425},
ee = {db/conf/vldb/LeeLWS97.html},
crossref = {DBLP:conf/vldb/97},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
BibTeX
Abstract
This paper presents a region splitting strategy for physical database design
of multidimensional file organizations.
Physical database design is the process of determining the optimal
configuration of physical files for a given set of queries.
Recently, many multidimensional file organizations for supporting
multiattribute access have been proposed in the literature.
However, there has been no effort for their physical database design.
We first show that the performance of query processing is highly affected by
the similarity between the shapes of query regions and page regions in the
domain space,
and then propose a new region splitting strategy that finds the optimal
configuration of the multidimensional file by controlling the interval ratio
of different axes to achieve the similarity.
We also present the results of extensive experiments using the
multilevel grid file (MLGF), a multidimensional file organization,
and various types of queries and record distributions.
The results indicate that our proposed strategy builds optimal MLGFs
regardless of query types and record distributions.
When the interval ratio of a two-dimensional query region is 1:1024,
the performance of the proposed strategy is enhanced by as much as 7.5 times
over that of the conventional cyclic splitting strategy.
The performance is further enhanced for the query types having higher
interval ratios.
The result is significant since interval ratios can be far from 1:1 for many
practical applications, especially when different axes have different domains.
Copyright © 1997 by the VLDB Endowment.
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Online Paper
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BibTeX
Printed Edition
Matthias Jarke, Michael J. Carey, Klaus R. Dittrich, Frederick H. Lochovsky, Pericles Loucopoulos, Manfred A. Jeusfeld (Eds.):
VLDB'97, Proceedings of 23rd International Conference on Very Large Data Bases, August 25-29, 1997, Athens, Greece.
Morgan Kaufmann 1997, ISBN 1-55860-470-7
Contents BibTeX
Electronic Edition
From CS Dept.,
University Trier (Germany)
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