Conceptual Relations between Databases Transformed under Join and Projection.
Giorgio AusielloCarlo BatiniMarina MoscariniPublished in: MFCS (1980)
Keyphrases
- databases
- join operations
- database
- semantic relations
- relational databases
- metadata
- data model
- knowledge discovery
- join algorithms
- relational database systems
- projection method
- relational data model
- conceptual structures
- indexing techniques
- query optimization
- data integration
- data management
- object oriented
- query processing
- database systems
- search engine
- data mining