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On the Expressive Power of OKFDDs.
Bernd Becker
Rolf Drechsler
Michael Theobald
Published in:
Formal Methods Syst. Des. (1997)
Keyphrases
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expressive power
query language
first order logic
data complexity
relational algebra
transitive closure
computational properties
pattern queries
data model
recursive queries
database query languages
relation algebra