Information Technology Reference
In-Depth Information
Ta b l e 1 Overview of the sub-models of the EKD method [30]
Technical
component and
requirements model
(TCRM)
Business rules
model (BRM)
Concepts model
(CM)
Business process
model (BPM)
Actors and resources
model (ARM)
Goals model (GM)
Focus
Vision and strategy
Policies and rules
Business ontology
Business operations
Organizational
structure
Information system
needs
Issues
What does the
organization want
to achieve or to
avoid and why?
What are the
business rules,
how do they
support the
organization's
goals?
What are the things
and “phenomena”
addressedinother
sub-models?
What are the
business
processes? How
do they handle
information and
material?
Who are responsible
for goals and
process? How are
the actors
interrelated?
What are the
business
requirements to
the IS? How are
they related to
other models?
Components
Goal, problem,
external
constraint,
opportunity
Business rule
Concept, attribute
Process, external
proc., information
set, material set
Actor, role,
organizational
unit, individual
IS goal, IS problem,
IS requirement, IS
component
 
 
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