Rewriting Aggregate Queries Using Functional Dependencies within the Cloud.
Romain PerriotLaurent d'OrazioDominique LaurentNicolas SpyratosPublished in: ISIP (2013)
Keyphrases
- functional dependencies
- aggregate queries
- queries using views
- relational databases
- integrity constraints
- normal form
- database design
- data cube
- conjunctive queries
- query processing
- relational model
- probabilistic databases
- database schemes
- aggregation functions
- efficient computation
- aggregate functions
- conflict free
- user defined
- data dependencies
- xml documents
- query rewriting
- query answers
- database
- relational data model
- query answering
- approximate functional dependencies
- cardinality constraints
- multi dimensional
- multivalued dependencies