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Algebraic Equivalences Among Nested Relational Expressions.

Hong-Cheu Liu, Kotagiri Ramamohanarao: Algebraic Equivalences Among Nested Relational Expressions. CIKM 1994: 234-243
@inproceedings{DBLP:conf/cikm/LiuR94,
  author    = {Hong-Cheu Liu and
               Kotagiri Ramamohanarao},
  title     = {Algebraic Equivalences Among Nested Relational Expressions},
  booktitle = {Proceedings of the Third International Conference on Information
               and Knowledge Management (CIKM'94), Gaithersburg, Maryland, November
               29 - December 2, 1994},
  publisher = {ACM},
  year      = {1994},
  pages     = {234-243},
  ee        = {db/conf/cikm/LiuR94.html, http://doi.acm.org/10.1145/191246.191287},
  crossref  = {DBLP:conf/cikm/94},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}
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Abstract

Algebraic optimization is both theoretically and practically important for query processing in (nested) relational databases. In this paper, we consider this issue and investigate some algebraic properties concerning the nested relational operators. We also outline a heuristic optimization algorithm for nested relational expressions by adopting algebraic transformation rules developed in this paper and previous related work.

Copyright © 1994 by the ACM, Inc., used by permission. Permission to make digital or hard copies is granted provided that copies are not made or distributed for profit or direct commercial advantage, and that copies show this notice on the first page or initial screen of a display along with the full citation.


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Proceedings of the Third International Conference on Information and Knowledge Management (CIKM'94), Gaithersburg, Maryland, November 29 - December 2, 1994. ACM 1994
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