Abstraction Capabilities and Invariant Properties Modelling within the Entity-Relationship Approach.
Peter ScheuermannGerd SchiffnerH. WeberPublished in: ER (1979)
Keyphrases
- entity relationship
- invariant properties
- conceptual modelling
- object oriented
- database design
- data abstraction
- relational databases
- data model
- extended entity relationship
- conceptual schema
- database schema
- relational model
- conceptual database design
- conceptual model
- data modeling
- high level
- zernike moments
- functional dependencies
- prior models
- conceptual models
- integrity constraints
- databases
- database
- prior information
- database applications
- data warehouse