<s>
EuroWordNet	B-General_Concept
is	O
a	O
system	O
of	O
semantic	O
networks	O
for	O
European	O
languages	O
,	O
based	O
on	O
WordNet	B-General_Concept
.	O
</s>
<s>
Each	O
language	O
develops	O
its	O
own	O
wordnet	B-General_Concept
but	O
they	O
are	O
interconnected	O
with	O
interlingual	O
links	O
stored	O
in	O
the	O
Interlingual	O
Index	O
(	O
ILI	O
)	O
.	O
</s>
<s>
Unlike	O
the	O
original	O
Princeton	B-General_Concept
WordNet	I-General_Concept
,	O
most	O
of	O
the	O
other	O
wordnets	B-General_Concept
are	O
not	O
freely	O
available	O
.	O
</s>
<s>
The	O
original	O
EuroWordNet	B-General_Concept
project	O
dealt	O
with	O
Dutch	O
,	O
Italian	O
,	O
Spanish	O
,	O
German	O
,	O
French	O
,	O
Czech	O
,	O
and	O
Estonian	O
.	O
</s>
<s>
These	O
wordnets	B-General_Concept
are	O
now	O
frozen	O
,	O
but	O
wordnets	B-General_Concept
for	O
other	O
languages	O
have	O
been	O
developed	O
to	O
varying	O
degrees	O
.	O
</s>
<s>
Some	O
examples	O
of	O
EuroWordNet	B-General_Concept
are	O
available	O
for	O
free	O
.	O
</s>
<s>
In	O
some	O
cases	O
,	O
OpenThesaurus	B-Application
and	O
BabelNet	B-Application
may	O
serve	O
as	O
a	O
free	O
alternative	O
.	O
</s>
