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Expressive Power of Unary Counters.
Michael Benedikt
H. Jerome Keisler
Published in:
Structures in Logic and Computer Science (1997)
Keyphrases
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expressive power
pairwise
query language
first order logic
data complexity
computational properties
relational algebra
transitive closure
pattern queries
databases
data model
data management
relational calculus
relation algebra
constraint query languages