Count Constraints and the Inverse OLAP Problem: Definition, Complexity and a Step toward Aggregate Data Exchange.
Domenico SaccàEdoardo SerraAntonella GuzzoPublished in: FoIKS (2012)
Keyphrases
- data exchange
- conp complete
- query answering
- data integration
- schema mappings
- xml data exchange
- data management
- inclusion dependencies
- np complete
- data mining
- data model
- data warehouse
- target schema
- constraint programming
- tuple generating dependencies
- database schema
- data warehousing
- data sources
- computational complexity
- query rewriting
- data cube
- data analysis