ER ModelsERM ReferencesERM Anthologies
Model No.38
Short Citation (Navathe/Pillalamarri 1989)
Year 1988
Special Name OOER (Object-Oriented ERM)
Descendant of (Chen 1976)
ConstructsInherent Entity Type sg: weak, generalization, specialization, classification
Relationship Type sg: association
Value Sets / Attributes sg: key
NewInventedAdapted
Included
BorrowedIncludedoperation (object-orientation)
Added
Syntactic Rules Operations are connected to entity types.
Semanticsinformal
Focus g
Data Definition e
Data Manipulation e
Remarks
CauseCitation... enhance ER model to improve its abstraction capability (p. 186).
ContentExpressivenessstructure
Applicability
Correction
Integration
Implementation
Other
Alternative Publications
Binary Vector Structure/General [E1] 1
[E2] m
[E3] i
[E4]
[E5] 1
[E6]
Structure/Integrity [E7] 1
[E8]
[E9] f
[E10] 1
[E11] i
[E12]
[E13] a
[E14] i
[E15]
[E16]
Behavior [E17] f
[E18]
Application [E19]
[E20]
[E21]
[E22]
[E23]
[E24]
[E25]
[E26]
[E27]
Domain-Specifics [E28]
[E29]
[E30]
[E31]
[E32]
[E33]
Expressiveness Values Total 0.33
Data Model 0.61
Application 0.00
Domain Specifics 0.00
Partially Redundant Constructs Conjunctive Concepts W, S
Linked Concepts
Copyright(a) Susanne Patig, 2005