<s>
A	O
confusion	B-General_Concept
network	I-General_Concept
(	O
sometimes	O
called	O
a	O
word	O
confusion	B-General_Concept
network	I-General_Concept
or	O
informally	O
known	O
as	O
a	O
sausage	O
)	O
is	O
a	O
natural	B-Language
language	I-Language
processing	I-Language
method	O
that	O
combines	O
outputs	O
from	O
multiple	O
automatic	B-Application
speech	I-Application
recognition	I-Application
or	O
machine	B-Application
translation	I-Application
systems	I-Application
.	O
</s>
<s>
Confusion	B-General_Concept
networks	I-General_Concept
are	O
simple	O
linear	O
directed	O
acyclic	O
graphs	O
with	O
the	O
property	O
that	O
each	O
a	O
path	O
from	O
the	O
start	O
node	O
to	O
the	O
end	O
node	O
goes	O
through	O
all	O
the	O
other	O
nodes	O
.	O
</s>
<s>
In	O
machine	B-Application
translation	I-Application
,	O
the	O
defining	O
characteristic	O
of	O
confusion	B-General_Concept
networks	I-General_Concept
is	O
that	O
they	O
allow	O
multiple	O
ambiguous	O
inputs	O
,	O
deferring	O
committal	O
translation	O
decisions	O
until	O
later	O
stages	O
of	O
processing	O
.	O
</s>
<s>
This	O
approach	O
is	O
used	O
in	O
the	O
open	B-Application
source	I-Application
machine	B-Application
translation	I-Application
software	O
Moses	B-Language
and	O
the	O
proprietary	B-Application
translation	O
API	O
in	O
IBM	B-General_Concept
Bluemix	I-General_Concept
Watson	B-Application
.	O
</s>
