66
lan
co
co
wh
str
da
un
co
m
de
bl
re
or
at
Th
Th
Th
6 Software Ne
The agent
nguage. Th
omprises tw
ommunicatio
Communic
hen the sol
ructure, shar
ata of the pro
ntil the solu
ommunicatio
This type o
model, discus
eposit and re
lackboard – a
A blackboa
– the black
esolution are
rganized hier
various diff
– the agent
hey are inde
heir role
he knowledg
etworks
ts communi
his is inten
wo types: co
on by messag
cation betwee
ution to the
red by all the
oblem, and i
ution is rea
on between th
of communi
ssed in deta
ead a piece
as illustrated
Figure 3.1
ard system co
kboard, in w
stored. This
rarchically, w
ferent levels o
ts, which gen
ependent mo
is to co
ge sources ar
icate with
ntional com
ommunicatio
ge-sending.
en agents tak
e problem i
e agents. Thi
is enriched o
ached. It c
he agents.
cation is oft
ail in nume
of informati
d by Figure 3
0. Operation o
omprises the
which all the
data structu
which enabl
of detail;
nerate and st
odules, referr
ooperate to
re independe
one another
munication,
on by inform
kes place by
is centralize
is structure i
over the cou
onstitutes th
ten spoken o
erous public
ion in a shar
.10.
of the blackbo
e following th
e elements i
ure is shared
es us to con
tore their dat
red to as “k
o solve a
ent, as they a
r using a
which ess
mation-shari
informationd in a glob
initially cont
urse of its res
he only me
of as the blac
cations. The
red data zon
oard
hree basic el
involved dur
by the agent
nsiderer the s
ta in the blac
knowledge so
given p
are not aware
specific
sentially
ing and
-sharing
bal data
tains the
solution
eans of
ckboard
e agents
ne – the
ements:
ring the
ts and is
solution
ckboard.
ources”.
problem.
e of one
www.it-ebooks.info