95

Model No.				95
Short Citation				(Ma et al. 2001)
Year				2001
Special Name				FEER (Fuzzy Extended ER)
Descendant of				EER
Constructs	Inherent	Entity Type		sg: weak
		Relationship Type		sg: specialization, category, aggregation
		Value Sets / Attributes		sg: key, multivalued, composite, fuzzy
	New	Invented	Adapted	grade of membership
			Included
		Borrowed	Included
			Added
Syntactic Rules				grades of membership are associated with entity types, relationship types, attributes
Semantics				formalized
Focus				g/t
Data Definition				e
Data Manipulation
Remarks
Cause	Citation			.. to cope with imperfect as well as complex objects ... (p. 697).
	Content	Expressiveness		uncertainty
		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