<s>
ULTRA	B-General_Concept
is	O
a	O
machine	B-Application
translation	I-Application
system	I-Application
created	O
for	O
five	O
languages	O
(	O
Japanese	O
,	O
Chinese	O
,	O
Spanish	O
,	O
English	O
,	O
and	O
German	O
)	O
in	O
the	O
Computing	O
Research	O
Laboratory	O
in	O
1991	O
.	O
</s>
<s>
ULTRA	B-General_Concept
(	O
Universal	O
Language	O
Translator	O
)	O
,	O
is	O
a	O
machine	B-Application
translation	I-Application
system	I-Application
developed	O
at	O
the	O
Computing	O
Research	O
Laboratory	O
,	O
which	O
can	O
translate	O
between	O
five	O
languages	O
(	O
Japanese	O
,	O
Chinese	O
,	O
Spanish	O
,	O
English	O
and	O
German	O
)	O
.	O
</s>
<s>
It	O
uses	O
Artificial	B-Application
intelligence	I-Application
as	O
well	O
as	O
linguistic	O
and	O
logic	B-Language
programming	I-Language
methods	O
.	O
</s>
<s>
It	O
uses	O
bidirectional	O
parsers/generators	O
.	O
</s>
<s>
The	O
system	O
has	O
a	O
language-independent	O
system	O
of	O
intermediate	B-Application
representation	I-Application
,	O
which	O
means	O
that	O
it	O
takes	O
into	O
account	O
needs	O
for	O
expression	O
(	O
expression	O
is	O
one	O
of	O
the	O
main	O
elements	O
of	O
language	O
)	O
and	O
it	O
uses	O
relaxation	O
techniques	O
to	O
provide	O
the	O
best	O
translation	O
.	O
</s>
<s>
It	O
used	O
an	O
X	B-Operating_System
Window	I-Operating_System
user	O
interface	O
.	O
</s>
<s>
ULTRA	B-General_Concept
has	O
vocabularies	O
based	O
on	O
about	O
10,000	O
word	O
senses	O
in	O
each	O
of	O
its	O
five	O
languages	O
.	O
</s>
<s>
Lexical	B-Application
entries	O
in	O
the	O
system	O
have	O
two	O
parts	O
:	O
</s>
<s>
Intermediate	B-Application
representation	I-Application
giving	O
proper	O
forms	O
that	O
represent	O
the	O
sense	O
of	O
the	O
expression	O
.	O
</s>
<s>
ULTRA	B-General_Concept
works	O
with	O
Intermediate	B-Application
representation	I-Application
of	O
the	O
language	O
between	O
the	O
systems	O
,	O
so	O
no	O
transfer	O
takes	O
place	O
.	O
</s>
<s>
Developers	O
David	O
Farwell	O
and	O
Yorick	O
Wilks	O
created	O
IR	B-Application
(	O
interlingual	O
representation	O
)	O
.	O
</s>
<s>
ULTRA	B-General_Concept
looks	O
for	O
the	O
best	O
words	O
for	O
some	O
kinds	O
of	O
information	O
and	O
good	O
forms	O
and	O
equivalents	O
for	O
some	O
expression	O
in	O
target	O
language	O
.	O
</s>
