<s>
An	O
autonomous	B-Architecture
decentralized	I-Architecture
system	I-Architecture
(	O
or	O
ADS	O
)	O
is	O
a	O
decentralized	O
system	O
composed	O
of	O
modules	O
or	O
components	O
that	O
are	O
designed	O
to	O
operate	O
independently	O
but	O
are	O
capable	O
of	O
interacting	O
with	O
each	O
other	O
to	O
meet	O
the	O
overall	O
goal	O
of	O
the	O
system	O
.	O
</s>
<s>
Autonomous	B-Architecture
decentralized	I-Architecture
systems	I-Architecture
have	O
a	O
number	O
of	O
applications	O
including	O
industrial	O
production	O
lines	O
,	O
railway	O
signalling	O
and	O
robotics	O
.	O
</s>
<s>
Autonomous	B-Architecture
decentralized	I-Architecture
systems	I-Architecture
were	O
first	O
proposed	O
in	O
1977	O
.	O
</s>
<s>
An	O
ADS	O
is	O
a	O
decoupled	B-Application
architecture	I-Application
where	O
each	O
component	O
or	O
subsystem	O
communicates	O
by	O
message	B-Architecture
passing	I-Architecture
using	O
shared	O
data	O
fields	O
.	O
</s>
<s>
An	O
ADS	O
is	O
also	O
similar	O
to	O
a	O
blackboard	B-General_Concept
system	I-General_Concept
used	O
in	O
AI	O
where	O
a	O
collection	O
of	O
agents	O
will	O
act	O
upon	O
seeing	O
any	O
data	O
change	O
in	O
the	O
common	O
blackboard	B-General_Concept
.	O
</s>
<s>
Cloud	B-Architecture
computing	I-Architecture
also	O
uses	O
autonomous	O
computing	O
,	O
but	O
its	O
architecture	O
and	O
framework	O
are	O
different	O
from	O
ADS	O
.	O
</s>
<s>
IEEE	O
International	O
Symposium	O
on	O
Autonomous	B-Architecture
Decentralized	I-Architecture
Systems	I-Architecture
(	O
ISADS	O
)	O
is	O
the	O
major	O
conference	O
on	O
this	O
topic	O
.	O
</s>
