ER ModelsERM ReferencesERM Anthologies
Model No.86
Short Citation (Chu/Zhang 1997)
Year 1997
Special Name
Descendant of general EER
ConstructsInherent Entity Type X
Relationship Type r: association, sg: ISA, sg/l: min/max
Value Sets / Attributes X
NewInventedAdapted
Included
BorrowedIncludedrole classes (object-oriented)
Added
Syntactic Rules Role classes are connected to entity types or role classes.
Semanticsinformal
Focus g
Data Definition e
Data Manipulation
Remarks
CauseCitation... support object evolution and extension for long lived objects (p. 257).
ContentExpressivenessstructure
Applicability
Correction
Integration
Implementation
Other
Alternative Publications
Binary Vector Structure/General [E1]
[E2] 1
[E3]
[E4] i
[E5]
[E6]
Structure/Integrity [E7] m
[E8]
[E9]
[E10] 1
[E11] 1
[E12] 1
[E13]
[E14] i
[E15]
[E16]
Behavior [E17]
[E18]
Application [E19]
[E20]
[E21]
[E22]
[E23]
[E24]
[E25]
[E26]
[E27]
Domain-Specifics [E28]
[E29]
[E30]
[E31]
[E32]
[E33]
Expressiveness Values Total 0.21
Data Model 0.39
Application 0.00
Domain Specifics 0.00
Partially Redundant Constructs Conjunctive Concepts S
Linked Concepts
Copyright(a) Susanne Patig, 2005