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A Strategy for Decomposing Complex Queries in a Heterogeneous DDB.

S. Misbah Deen, R. R. Amin, Malcolm C. Taylor: A Strategy for Decomposing Complex Queries in a Heterogeneous DDB. VLDB 1984: 397-400
@inproceedings{DBLP:conf/vldb/DeenAT84,
  author    = {S. Misbah Deen and
               R. R. Amin and
               Malcolm C. Taylor},
  editor    = {Umeshwar Dayal and
               Gunter Schlageter and
               Lim Huat Seng},
  title     = {A Strategy for Decomposing Complex Queries in a Heterogeneous
               DDB},
  booktitle = {Tenth International Conference on Very Large Data Bases, August
               27-31, 1984, Singapore, Proceedings},
  publisher = {Morgan Kaufmann},
  year      = {1984},
  isbn      = {0-934613-16-8},
  pages     = {397-400},
  ee        = {http://www.vldb.org/conf/1984/P397.PDF},
  crossref  = {DBLP:conf/vldb/84},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

In a generalised distributed database system with decentralised controls and heterogeneous and pre-existing nodes, queries can be very complex, particularly if they provide a data integration facility. We describe here an algorithm for the optimal decomposition of such queries into subqueries, taking into consideration the availability of nodal operations (some nodes may not be able to perform all operations) and other factors. This algorithm is being implemented in the PRECI* system.

Copyright © 1984 by the VLDB Endowment. Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the VLDB copyright notice and the title of the publication and its date appear, and notice is given that copying is by the permission of the Very Large Data Base Endowment. To copy otherwise, or to republish, requires a fee and/or special permission from the Endowment.


Printed Edition

Umeshwar Dayal, Gunter Schlageter, Lim Huat Seng (Eds.): Tenth International Conference on Very Large Data Bases, August 27-31, 1984, Singapore, Proceedings. Morgan Kaufmann 1984, ISBN 0-934613-16-8
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References

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[2]
Robert S. Epstein, Michael Stonebraker, Eugene Wong: Distributed Query Processing in a Relational Data Base System. SIGMOD Conference 1978: 169-180 CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML
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Umeshwar Dayal: Processing Queries Over Generalization Hierarchies in a Multidatabase System. VLDB 1983: 342-353 CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML
[4]
S. Misbah Deen, R. R. Amin, G. O. Ofori-Dwumfuo, Malcolm C. Taylor: The Architecture of a Generalised Distributed Database System - PRECI. Comput. J. 28(3): 282-290(1985) CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML
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S. Misbah Deen, R. R. Amin, Malcolm C. Taylor: Data Integration in Distributed Databases. IEEE Trans. Software Eng. 13(7): 860-864(1987) CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML
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S. Misbah Deen, R. R. Amin, Malcolm C. Taylor: Query Decomposition in PRECI*. DDSS 1984: 91-103 CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML
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Amihai Motro, Peter Buneman: Constructing Superviews. SIGMOD Conference 1981: 56-64 CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML
[8]
Umeshwar Dayal, Hai-Yann Hwang: View Definition and Generalization for Database Integration in Multibase: A System for Heterogeneous Distributed Databases. Berkeley Workshop 1982: 203-238 CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML

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