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On Estimating the Cardinality of the Projection of a Database Relation.
Rafiul Ahad
K. V. Bapa Rao
Dennis McLeod
Published in:
ACM Trans. Database Syst. (1989)
Keyphrases
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database
databases
database management systems
database systems
relational databases
database management
data model
data management
universal relation
association rules
projection method