Information Technology Reference
In-Depth Information
•
The state
H
is the quality of the movie, the possible values of
which are members of the set
V
H
(but
the prevailing state
s
∗
for the current game is to be determined).
=
{
Good
,
Average
,
Bad
}
•
(
I
i
) is as shown in Tables 3.2 to 3.5. For example, agent
A
1
's ex-
perience
I
1
as shown in Table 3.2 has 9 rules, which are
(Director = Spielberg)
∧
(Type = S.F.)
⇒
Good
(Director = Spielberg)
∧
(Type = Biographic)
⇒
Good
(Director = Spielberg)
∧
(Type = S.F.)
⇒
Good
(Director = Coppola)
∧
(Type = Drama)
⇒
Good
(Director = Tempa)
∧
(Type = Action)
⇒
Bad
(Director = Emmerich)
∧
(Type = S.F.)
⇒
Bad
(Director = Sonnenfield)
∧
(Type = S.F.)
⇒
Good
(Director = Spielberg)
∧
(Type = S.F.)
⇒
Good
(Director = Spielberg)
∧
(Type = Drama)
⇒
Average
•
Some of the possible consequences for this coalition are (tennis, ten-
nis, tennis, tennis), (tennis, tennis, movie, movie), (movie, movie,
movie, movie) . . . .
•
P
i
is agent
i
's set of preference rules. Intuitively, each rule de-
termines part of the agent
i
's preference, given the states in the
agent's experience
I
i
that supported by the current evidences
E
.
For example, as currently
E
=
{
(Director = Spielberg)
∧
(Type = S.F.)
},
by agent
A
1
's experience
I
1
the supported states are members of
the set
{
Good
,
Good
,
Good
}
=
{
Good
}
.
As we assume that 'if the movie is good, then all four agents prefer
the movie over tennis,' we would expect that
P
1
contains, among
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