ER ModelsERM ReferencesERM Anthologies
Model No.23
Short Citation (Lenzerini 1985)
Year 1985
Special Name SERM (Semantic ERM)
Descendant of
ConstructsInherent Entity Type r: category
Relationship Type r: category, sg: subset, part-of, cardinality-ratio
Value Sets / Attributes r: category, sg: role
NewInventedAdapted
Included
BorrowedIncluded
Added
Syntactic Rules Subset-relationship connects relationships.
Semanticsformal
Focus t
Data Definition
Data Manipulation l
Remarks
CauseCitation... integration of the original Entity-Relationship Model and many proposed extensions (p. 271). . ... give a sound foundation to possible implementations of a high-level programming language (p. 272).
ContentExpressiveness
Applicability
Correction
IntegrationX
ImplementationX
Other
Alternative Publications
Binary Vector Structure/General [E1] i
[E2] 1
[E3] i
[E4]
[E5]
[E6]
Structure/Integrity [E7]
[E8]
[E9]
[E10] 1
[E11] 1
[E12] 1
[E13]
[E14] i
[E15]
[E16]
Behavior [E17] 1
[E18] 1
Application [E19]
[E20]
[E21]
[E22]
[E23]
[E24]
[E25]
[E26]
[E27]
Domain-Specifics [E28]
[E29]
[E30]
[E31]
[E32]
[E33]
Expressiveness Values Total 0.27
Data Model 0.50
Application 0.00
Domain Specifics 0.00
Partially Redundant Constructs Conjunctive Concepts S
Linked Concepts
Copyright(a) Susanne Patig, 2005