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A Note on "An Optimal Evaluation of Boolean Expressions in an Online Query System"

Authors :
Gudes, Ehud
Hoffman, Anthony
Source :
Communications of the ACM. Oct79, Vol. 22 Issue 10, p550-553. 4p. 6 Diagrams.
Publication Year :
1979

Abstract

Presents a note on an optimal evaluation of Boolean expressions in an online Query system. Information that Boolean expression is evaluated for each record in the database, it pays to invest some time in a presearching restructuring of the query; Views on the algorithm described for the optimal evaluation of the expressions; Use of a branch and bound algorithms to achieve an optimal evaluation tree.

Details

Language :
English
ISSN :
00010782
Volume :
22
Issue :
10
Database :
Academic Search Index
Journal :
Communications of the ACM
Publication Type :
Periodical
Accession number :
5225376