ER Models | ERM References | ERM Anthologies |
Model No. | 94 | |||
Short Citation | (Karlapalem et al. 2001) | |||
Year | 2001 | |||
Special Name | EREC (ER for e-ContraCts) | |||
Descendant of | ER-R | |||
Constructs | Inherent | Entity Type | rf ER-R | |
Relationship Type | rf ER-R, sg/l: min/max | |||
Value Sets / Attributes | rf ER-R | |||
New | Invented | Adapted | sd: exception, contract event | |
Included | ||||
Borrowed | Included | |||
Added | ||||
Syntactic Rules | Rule objects are connected to entity types, relationship types or attributes. | |||
Semantics | informal | |||
Focus | g/t | |||
Data Definition | ||||
Data Manipulation | ||||
Remarks | exceptions are represented as rules | |||
Cause | Citation | ... conceptually modelling e-contracts ... (p. 193). | ||
Content | Expressiveness | domain (electronic commerce) | ||
Applicability | ||||
Correction | ||||
Integration | ||||
Implementation | ||||
Other | ||||
Alternative Publications | ||||
Binary Vector | Structure/General | [E1] | 1 | |
[E2] | 1 | |||
[E3] | i | |||
[E4] | ||||
[E5] | m | |||
[E6] | m | |||
Structure/Integrity | [E7] | m | ||
[E8] | ||||
[E9] | ||||
[E10] | 1 | |||
[E11] | 1 | |||
[E12] | 1 | |||
[E13] | a | |||
[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 | 0.39 | ||
Data Model | 0.72 | |||
Application | 0.00 | |||
Domain Specifics | 0.00 | |||
Partially Redundant Constructs | Conjunctive Concepts | S | ||
Linked Concepts |