Modelling ETL Conciliation Tasks Using Relational Algebra Operators.
Vasco SantosOrlando BeloPublished in: EMS (2014)
Keyphrases
- relational algebra
- relational model
- relational operators
- expressive power
- query language
- aggregate functions
- data model
- join operator
- normal form
- relational database systems
- summary tables
- relational calculus
- first order logic
- transitive closure
- complex objects
- conceptual model
- relational databases
- data integration
- relational data model
- recursive queries
- data warehouse
- database
- multi agent systems
- machine learning