ER ModelsERM ReferencesERM Anthologies
Model No.95
Short Citation (Ma et al. 2001)
Year 2001
Special Name FEER (Fuzzy Extended ER)
Descendant of EER
ConstructsInherent Entity Type sg: weak
Relationship Type sg: specialization, category, aggregation
Value Sets / Attributes sg: key, multivalued, composite, fuzzy
NewInventedAdaptedgrade of membership
Included
BorrowedIncluded
Added
Syntactic Rules grades of membership are associated with entity types, relationship types, attributes
Semanticsformalized
Focus g/t
Data Definition e
Data Manipulation
Remarks
CauseCitation.. to cope with imperfect as well as complex objects ... (p. 697).
ContentExpressivenessuncertainty
Applicability
Correction
Integration
Implementation
Other
Alternative Publications
Binary Vector Structure/General [E1] 1
[E2] 1
[E3] i
[E4]
[E5]
[E6]
Structure/Integrity [E7] 1
[E8] 1
[E9] 1
[E10] m
[E11] i
[E12] m
[E13] i
[E14] i
[E15]
[E16]
Behavior [E17]
[E18]
Application [E19]
[E20]
[E21]
[E22] 1
[E23] 1
[E24]
[E25]
[E26]
[E27]
Domain-Specifics [E28]
[E29]
[E30]
[E31]
[E32]
[E33]
Expressiveness Values Total 0.42
Data Model 0.61
Application 0.33
Domain Specifics 0.00
Partially Redundant Constructs Conjunctive Concepts W, S, J, T
Linked Concepts
Copyright(a) Susanne Patig, 2005