ER Models | ERM References | ERM Anthologies |
Model No. | 42 | |||
Short Citation | (Davis/Bonnell 1990) | |||
Year | 1989 | |||
Special Name | EARL | |||
Descendant of | (Chen 1976) | |||
Constructs | Inherent | Entity Type | X | |
Relationship Type | sg: IS-A, PART-OF, AGGR-OF, INST-OF, MEMBER-OF, ROLE-OF,sg/l: min/max | |||
Value Sets / Attributes | sg: identifier | |||
New | Invented | Adapted | constraint-links | |
Included | ||||
Borrowed | Included | |||
Added | ||||
Syntactic Rules | Constraint links connect relationship types. | |||
Semantics | informal | |||
Focus | g | |||
Data Definition | ||||
Data Manipulation | ||||
Remarks | ||||
Cause | Citation | ... capture abstraction relations (p. 95). ... express certain types of cardinality constraints (p. 96). coupling concept abstraction with constraint specification (p. 95). | ||
Content | Expressiveness | structure, integrity | ||
Applicability | ||||
Correction | ||||
Integration | ||||
Implementation | (X) | |||
Other | ||||
Alternative Publications | ||||
Binary Vector | Structure/General | [E1] | 1 | |
[E2] | 1 | |||
[E3] | i | |||
[E4] | ||||
[E5] | ||||
[E6] | ||||
Structure/Integrity | [E7] | 1 | ||
[E8] | ||||
[E9] | ||||
[E10] | 1 | |||
[E11] | 1 | |||
[E12] | 1 | |||
[E13] | 1 | |||
[E14] | 1 | |||
[E15] | 1 | |||
[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 | 0.30 | ||
Data Model | 0.56 | |||
Application | 0.00 | |||
Domain Specifics | 0.00 | |||
Partially Redundant Constructs | Conjunctive Concepts | |||
Linked Concepts |