An entity-relationship algebra and its semantic description capabilities.
Victor M. MarkowitzYoav RazPublished in: J. Syst. Softw. (1984)
Keyphrases
- entity relationship
- semantic description
- data model
- relational data model
- object oriented
- database design
- relational model
- er model
- conceptual model
- relational databases
- conceptual schema
- relational algebra
- extended entity relationship
- conceptual database design
- database schema
- query language
- relational schema
- data modeling
- functional dependencies
- entity relationship diagrams
- database systems
- cardinality constraints
- data sources
- databases
- data integration
- database management systems
- database
- conceptual models
- normal form
- database applications
- semantic web
- co occurrence