ER Models | ERM References | ERM Anthologies |
Model No. | 52 | |||
Short Citation | (Hsu/Rattner 1990) | |||
Year | 1990 | |||
Special Name | TSER (Two-Stage ER) | |||
Descendant of | (Chen 1976) | |||
Constructs | Inherent | Entity Type | X | |
Relationship Type | sg: mandatory, functional | |||
Value Sets / Attributes | sg: key | |||
New | Invented | Adapted | ||
Included | context, subject | |||
Borrowed | Included | |||
Added | ||||
Syntactic Rules | X | |||
Semantics | informal | |||
Focus | t | |||
Data Definition | e | |||
Data Manipulation | ||||
Remarks | focus on system implementation, separate SER and OER diagrams | |||
Cause | Citation | ... consolidating data structures across the manufacturing facility (p. 758). | ||
Content | Expressiveness | |||
Applicability | ||||
Correction | ||||
Integration | ||||
Implementation | ||||
Other | X | |||
Alternative Publications | ||||
Binary Vector | Structure/General | [E1] | ||
[E2] | 1 | |||
[E3] | ||||
[E4] | ||||
[E5] | ||||
[E6] | ||||
Structure/Integrity | [E7] | 1 | ||
[E8] | ||||
[E9] | ||||
[E10] | 1 | |||
[E11] | ||||
[E12] | a | |||
[E13] | ||||
[E14] | ||||
[E15] | ||||
[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 | 0.12 | ||
Data Model | 0.22 | |||
Application | 0.00 | |||
Domain Specifics | 0.00 | |||
Partially Redundant Constructs | Conjunctive Concepts | |||
Linked Concepts |