<s>
ETAP-3	B-General_Concept
is	O
a	O
proprietary	O
linguistic	O
processing	O
system	O
focusing	O
on	O
English	O
and	O
Russian	O
.	O
</s>
<s>
It	O
is	O
a	O
rule-based	B-General_Concept
system	I-General_Concept
which	O
uses	O
the	O
Meaning-Text	O
Theory	O
as	O
its	O
theoretical	O
foundation	O
.	O
</s>
<s>
At	O
present	O
,	O
there	O
are	O
several	O
applications	O
of	O
ETAP-3	B-General_Concept
,	O
such	O
as	O
a	O
machine	B-Application
translation	I-Application
tool	O
,	O
a	O
converter	O
of	O
the	O
Universal	B-General_Concept
Networking	I-General_Concept
Language	I-General_Concept
,	O
an	O
interactive	O
learning	O
tool	O
for	O
Russian	O
language	O
learners	O
and	O
a	O
syntactically	O
annotated	O
corpus	O
of	O
Russian	O
language	O
.	O
</s>
<s>
The	O
ETAP-3	B-General_Concept
machine	B-Application
translation	I-Application
tool	O
can	O
translate	O
text	O
from	O
English	O
into	O
Russian	O
and	O
vice	O
versa	O
.	O
</s>
<s>
It	O
is	O
a	O
rule-based	B-General_Concept
system	I-General_Concept
,	O
which	O
makes	O
it	O
different	O
from	O
the	O
most	O
present-day	O
systems	O
that	O
are	O
predominantly	O
statistical-based	O
.	O
</s>
<s>
The	O
machine	B-Application
translation	I-Application
tool	O
uses	O
bilingual	O
dictionaries	O
which	O
contain	O
more	O
than	O
100,000	O
lexical	O
entries	O
.	O
</s>
<s>
The	O
UNL	B-General_Concept
converter	O
based	O
on	O
ETAP-3	B-General_Concept
can	O
transform	O
English	O
and	O
Russian	O
sentences	O
into	O
their	O
representations	O
in	O
UNL	B-General_Concept
(	O
Universal	B-General_Concept
Networking	I-General_Concept
Language	I-General_Concept
)	O
and	O
generate	O
English	O
and	O
Russian	O
sentences	O
from	O
their	O
UNL	B-General_Concept
representations	O
.	O
</s>
<s>
The	O
primary	O
annotation	O
was	O
made	O
by	O
ETAP-3	B-General_Concept
and	O
then	O
manually	O
verified	O
by	O
competent	O
linguists	O
.	O
</s>
<s>
The	O
ETAP-3	B-General_Concept
system	O
makes	O
extensive	O
use	O
of	O
lexical	O
functions	O
explored	O
in	O
the	O
Meaning-Text	O
Theory	O
.	O
</s>
