A Blackboard Architecture for Query Optimization in Object Bases.
Alfons Kemper, Guido Moerkotte, Klaus Peithner:
A Blackboard Architecture for Query Optimization in Object Bases.
VLDB 1993: 543-554@inproceedings{DBLP:conf/vldb/KemperMP93,
author = {Alfons Kemper and
Guido Moerkotte and
Klaus Peithner},
editor = {Rakesh Agrawal and
Se{\'a}n Baker and
David A. Bell},
title = {A Blackboard Architecture for Query Optimization in Object Bases},
booktitle = {19th International Conference on Very Large Data Bases, August
24-27, 1993, Dublin, Ireland, Proceedings},
publisher = {Morgan Kaufmann},
year = {1993},
isbn = {1-55860-152-X},
pages = {543-554},
ee = {db/conf/vldb/KemperMP93.html},
crossref = {DBLP:conf/vldb/93},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
Abstract
Adopting the blackboard architecture from the area of Artificial Intelligence, a novel kind of optimizer enabling two desirable ideas will be proposed. Firstly, using such a well-structured approach backpropagation of the optimized queries allows an evolutionary improvement of (crucial) parts of the optimizer.
Secondly, the A* search strategy can be applied to harmonize two contrary properties: Alternatives are generated whenever necessary, and straight-forward optimizing is performed whenever possible, however.
The generic framework for realizing a blackboard optimizer is proposed first. Then, in order to demonstrate the viability of the new approach, a simple example optimizer is presented. It can be viewed as an incarnation of the generic framework.
Copyright © 1993 by the VLDB Endowment.
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is by the permission of the Very Large Data Base
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Online Paper
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Printed Edition
Rakesh Agrawal, Seán Baker, David A. Bell (Eds.):
19th International Conference on Very Large Data Bases, August 24-27, 1993, Dublin, Ireland, Proceedings.
Morgan Kaufmann 1993, ISBN 1-55860-152-X
Contents
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Copyright © Tue Mar 16 02:22:03 2010
by Michael Ley (ley@uni-trier.de)