Equivalences among Aggregate Queries with Negation.
Sara CohenWerner NuttYehoshua SagivPublished in: PODS (2001)
Keyphrases
- aggregate queries
- data cube
- query processing
- efficient computation
- aggregation functions
- probabilistic xml
- logic programming
- logic programs
- probabilistic databases
- relational algebra
- deductive databases
- query answers
- aggregate functions
- multi dimensional
- computationally efficient
- horn clauses
- approximate answers
- nearest neighbor
- data structure