Equivalences Among Aggregate Queries with Negation

Sara Cohen Werner Nutt Yehoshua Sagiv

Published in: CoRR (2002)

Keyphrases

aggregate queries
data cube
query processing
probabilistic xml
efficient computation
logic programming
deductive databases
aggregation functions
logic programs
probabilistic databases
multi dimensional
approximate answers
relational algebra
fixpoint
databases
horn clauses
datalog programs
data structure