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Feedback from
TRUSTOR
TRUSTEE
INSPECTION,
SURVELLANCE
TRUSTOR
REPORT
Feedback to
TRUSTEE
GUIDANCE
SELF-MONITORING
Figure 7.19
How feedback determines different kinds of control. (Reproduced by Permission of
2001 IEEE)
C
Trustees should not necessarily negotiate or give advice in order to change their delegated
tasks; they might have full initiative. This entails meta-level autonomy. Of course, the trustee
must also have feedback about its own execution, but this is true in general for goal directed
actions.
To sum up, if an agent has the initiative of a delegation/adoption then, in order to adjust that
initiative, it is not obliged to communicate with the other agent. As for the necessary
feedback
for adjustment
we can distinguish between:
inspection
,
report
,
guidance
, and
self-monitoring
(Figure 7.19).
Considered the kinds of intervention action showed in Section 7.1.2, we can say that each
of these interventions could be realized through either a
communication act
or a
direct action
on the task by the intervening agent (Table 7.5).
7.2.5 Protocols for Control Adjustments
Starting from our model it is also possible to identify some guidelines for designing interaction
in human-machine interaction or in multi-agent systems. For example, our model makes it
Table 7.5
Different kinds of client intervention
Client's message
Client's direct action
Stopping the task
Stop
Stopping intervention
Substitution
I do it
It realizes an action of the task
Correction of
delegation
Change that action with
this other
It introduces constraints such
that an action is changed with
another
Specification of
delegation
Make that plan in this
way
It introduces constraints such
that a plan is specified
Repairing of
delegation
Add this action of the
task
It introduces constraints such that
a new action must be realized
to favor success of the task
Source:
Reproduced by Permission of
C
2001 IEEE.
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