<s>
Interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
(	O
IMT	O
)	O
,	O
is	O
a	O
specific	O
sub-field	O
of	O
computer-aided	B-Application
translation	I-Application
.	O
</s>
<s>
Under	O
this	O
translation	O
paradigm	O
,	O
the	O
computer	B-Application
software	I-Application
that	O
assists	O
the	O
human	O
translator	O
attempts	O
to	O
predict	O
the	O
text	O
the	O
user	O
is	O
going	O
to	O
input	O
by	O
taking	O
into	O
account	O
all	O
the	O
information	O
it	O
has	O
available	O
.	O
</s>
<s>
Interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
is	O
specially	O
interesting	O
when	O
translating	O
texts	O
in	O
domains	O
where	O
it	O
is	O
not	O
admissible	O
to	O
output	O
a	O
translation	O
containing	O
errors	O
,	O
hence	O
requiring	O
a	O
human	O
user	O
to	O
amend	O
the	O
translations	O
provided	O
by	O
the	O
system	O
.	O
</s>
<s>
In	O
such	O
cases	O
,	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
has	O
been	O
proved	O
to	O
provide	O
benefit	O
to	O
potential	O
users	O
.	O
</s>
<s>
Nevertheless	O
,	O
there	O
are	O
few	O
commercial	B-Application
software	I-Application
that	O
implements	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
and	O
work	O
done	O
in	O
the	O
field	O
is	O
mostly	O
restrained	O
to	O
academic	O
research	O
.	O
</s>
<s>
Historically	O
,	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
is	O
born	O
as	O
an	O
evolution	O
of	O
the	O
computer-aided	B-Application
translation	I-Application
paradigm	O
,	O
where	O
the	O
human	O
translator	O
and	O
the	O
machine	B-Application
translation	I-Application
system	I-Application
were	O
intended	O
to	O
work	O
as	O
a	O
tandem	B-Application
.	O
</s>
<s>
In	O
this	O
project	O
,	O
the	O
human	O
interaction	O
was	O
aimed	O
towards	O
producing	O
the	O
target	O
text	O
for	O
the	O
first	O
time	O
by	O
embedding	O
data-driven	O
machine	B-Application
translation	I-Application
techniques	O
within	O
the	O
interactive	O
translation	O
environment	O
with	O
the	O
goal	O
of	O
achieving	O
the	O
best	O
of	O
both	O
actors	O
:	O
the	O
efficiency	O
of	O
the	O
automatic	O
system	O
and	O
the	O
reliability	O
of	O
human	O
translators	O
.	O
</s>
<s>
funded	O
by	O
the	O
European	O
Commission	O
extended	O
such	O
work	O
by	O
analyzing	O
the	O
incorporation	O
of	O
a	O
complete	O
machine	B-Application
translation	I-Application
system	I-Application
into	O
the	O
process	O
,	O
with	O
the	O
goal	O
of	O
producing	O
a	O
complete	O
translation	O
hypothesis	O
,	O
which	O
the	O
human	O
user	O
is	O
allowed	O
to	O
amend	O
or	O
accept	O
.	O
</s>
<s>
The	O
workbench	O
was	O
designed	O
in	O
a	O
modular	O
fashion	O
and	O
can	O
be	O
combined	O
with	O
existing	O
computer	B-Application
aided	I-Application
translation	I-Application
tools	O
.	O
</s>
<s>
Recent	O
work	O
on	O
involving	O
an	O
extensive	O
evaluation	B-General_Concept
with	O
human	O
users	O
revealed	O
the	O
fact	O
that	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
may	O
even	O
be	O
used	O
by	O
users	O
that	O
do	O
not	O
speak	O
the	O
source	O
language	O
in	O
order	O
to	O
achieve	O
near	O
professional	O
translation	O
quality	O
.	O
</s>
<s>
The	O
previously	O
described	O
approaches	O
rely	O
on	O
a	O
tightly	O
coupled	O
underlying	O
corpus-based	O
machine	B-Application
translation	I-Application
system	I-Application
(	O
usually	O
,	O
a	O
Statistical	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
system	I-Application
)	O
that	O
is	O
used	O
as	O
a	O
glass	B-General_Concept
box	I-General_Concept
,	O
therefore	O
inheriting	O
the	O
shortcomings	O
of	O
the	O
translation	B-Application
systems	I-Application
and	O
limiting	O
the	O
usage	O
of	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
for	O
some	O
scenarios	O
.	O
</s>
<s>
For	O
this	O
reason	O
,	O
an	O
approach	O
that	O
uses	O
any	O
kind	O
of	O
bilingual	O
resource	O
(	O
not	O
limited	O
to	O
machine	B-Application
translation	I-Application
)	O
as	O
a	O
black-box	O
to	O
provide	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
was	O
developed	O
.	O
</s>
<s>
Forecat	O
is	O
a	O
black-box	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
implementation	O
that	O
is	O
available	O
both	O
as	O
a	O
web	O
application	O
(	O
that	O
includes	O
a	O
webpage	O
and	O
a	O
web	O
services	O
interface	O
)	O
and	O
as	O
a	O
plugin	O
for	O
OmegaT	B-Language
(	O
Forecat-OmegaT	O
)	O
.	O
</s>
<s>
A	O
similar	O
approach	O
is	O
used	O
in	O
the	O
Caitra	B-General_Concept
translation	O
tool	O
.	O
</s>
<s>
Evaluation	B-General_Concept
is	O
a	O
difficult	O
issue	O
in	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
.	O
</s>
<s>
evaluation	B-General_Concept
should	O
take	O
place	O
in	O
experiments	O
involving	O
human	O
users	O
.	O
</s>
<s>
For	O
quick	O
evaluations	O
in	O
laboratory	O
conditions	O
,	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
is	O
measured	O
by	O
using	O
the	O
key	O
stroke	O
ratio	O
or	O
the	O
word	O
stroke	O
ratio	O
.	O
</s>
<s>
Although	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
is	O
a	O
sub-field	O
of	O
computer-aided	B-Application
translation	I-Application
,	O
the	O
main	O
attractive	O
of	O
the	O
former	O
with	O
respect	O
to	O
the	O
latter	O
is	O
the	O
interactivity	O
.	O
</s>
<s>
In	O
classical	O
computer-aided	B-Application
translation	I-Application
,	O
the	O
translation	B-Application
system	I-Application
may	O
suggest	O
one	O
translation	O
hypothesis	O
in	O
the	O
best	O
case	O
,	O
and	O
then	O
the	O
user	O
is	O
required	O
to	O
post-edit	O
such	O
hypothesis	O
.	O
</s>
<s>
In	O
contrast	O
,	O
in	O
interactive	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
the	O
system	O
produces	O
a	O
new	O
translation	O
hypothesis	O
each	O
time	O
the	O
user	O
interacts	O
with	O
the	O
system	O
,	O
i.e.	O
</s>
