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(1) Identify Stakeholder
(a) Stakeholder
(2) Elicit Goals/Sub-Goals from Stakeholder
(b) A Set of Goals/Sub-Goals of Stakeholder
(3) Extraction of Stakeholder Goals/Sub-Goals
(c) Goal Matrix
(4) Hierarchical Structure Goals/Sub-Goals
(d) Stakeholder Goal Lattice
(5) Reconcile Goals/Sub-Goals over Stakeholder
Goal Lattice and Generate System Goal Lattice
(e) System Goal Lattice
(6) Analyze Goals/Sub-Goals on System Goal Lattice
Fig. 2 Process for structuring and reconciliation of goals
interviewing. We expect to get a list of goals and sub-goals which are not structured
yet. However, we need to ask an individual of each stakeholder group to set the
priority of importance, i.e. preference of goals for the subsequent analysis.
Extract Goals Preferred . We found that the raw goals elicited include diverse
opinions, some of which might be very exceptional and not preferred by most of
the people in the stakeholder group, or preferred by only person in most of cases.
From a statistical analysis point of view, such un-preferred goals are considered as
exceptions which cause unnecessary complexity in the following structuring and
reconciliation process. Therefore, we eliminate a set of exceptional goals from the
raw goals.
Hierarchical Structuring of Goals/Sub-Goals . A stakeholder goal lattice is a goal
lattice for each stakeholder group. We generate stakeholder a goal lattice from the
goals and sub-goals elicited by structuring them with the order relation.
Reconcile Stakeholder Goal Lattices and Generate System Goal Lattice . We
generate a system goal lattice by synthesizing stakeholder goal lattices, and rec-
oncile dependencies among the goals and sub-goals while preserving the order
relation.
Analyze Goals/Sub-Goals . We propose a set of measures to analyze the impor-
tance and dependencies of the goals and sub-goals and the effectiveness of
reconciliation of stakeholder goal lattices for the system goal lattice.
In the following section, we explain our key techniques in the goal structuring
and reconciliation method along with its steps in Fig. 2.
5.2 Elicitation of the Goals and Sub-Goals from Stakeholders
We assume that we elicit the goals from a group of people in each stakeholder group.
For example, we ask people to mark the preferred goals with the order of preference
out of a set of goals we listed.
 
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