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Processing Inequality Queries Based on Generalized Semi-Joins.

Masatoshi Yoshikawa, Yahiko Kambayashi: Processing Inequality Queries Based on Generalized Semi-Joins. VLDB 1984: 416-428
@inproceedings{DBLP:conf/vldb/YoshikawaK84,
  author    = {Masatoshi Yoshikawa and
               Yahiko Kambayashi},
  editor    = {Umeshwar Dayal and
               Gunter Schlageter and
               Lim Huat Seng},
  title     = {Processing Inequality Queries Based on Generalized Semi-Joins},
  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     = {416-428},
  ee        = {db/conf/vldb/YoshikawaK84.html},
  crossref  = {DBLP:conf/vldb/84},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

Bernstein and Goodman showed that natural inequality ( NI) queries can be processed efficiently by semi-joins, if there are no multiple inequality join edges, nor cycles with one or zero doublet. In this paper procedures to handle these cases efficiently are given. Multiple inequality join edges can be processed by multi-attribute inequality semi-joins. Two procedures based on generalized semi-joins for cyclic NI queries (with one or zero doublet) are developed.

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.


Online Paper

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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

[BERNC8101]
Philip A. Bernstein, Dah-Ming W. Chiu: Using Semi-Joins to Solve Relational Queries. J. ACM 28(1): 25-40(1981) CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML
[BERNG7912]
...
[BERNG81]
Philip A. Bernstein, Nathan Goodman: The power of inequality semijoins. Inf. Syst. 6(4): 255-265(1981) CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML
[BERNG8111]
Philip A. Bernstein, Nathan Goodman: Power of Natural Semijoins. SIAM J. Comput. 10(4): 751-771(1981) CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML
[KAMBY8206]
Yahiko Kambayashi, Masatoshi Yoshikawa, Shuzo Yajima: Query Processing for Distributed Databases Using Generalized Semi-Joins. SIGMOD Conference 1982: 151-160 CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML
[KAMBY8305]
Yahiko Kambayashi, Masatoshi Yoshikawa: Query Processing Utilizing Dependencies and Horizontal Decomposition. SIGMOD Conference 1983: 55-67 CiteSeerX Google scholar pubzone.org BibTeX bibliographical record in XML

Copyright © Tue Mar 16 02:21:58 2010 by Michael Ley (ley@uni-trier.de)