Relational algebra for multi-ranked similarity-based databases.
Radim BelohlávekVilém VychodilPublished in: FOCI (2013)
Keyphrases
- relational algebra
- databases
- data model
- relational database systems
- relational model
- relational data model
- relational databases
- join operator
- normal form
- expressive power
- query language
- null values
- relational calculus
- database
- complex objects
- first order logic
- data integration
- database theory
- transitive closure
- database query languages
- knowledge discovery
- data sources
- database systems
- database applications
- recursive queries
- object oriented
- database design
- relational operators
- data management
- aggregate functions
- data types
- metadata
- sql queries
- database technology
- data warehouse