<s>
ClearForest	B-General_Concept
was	O
an	O
Israeli	O
software	O
company	O
that	O
developed	O
and	O
marketed	O
text	B-Algorithm
analytics	I-Algorithm
and	O
text	B-Algorithm
mining	I-Algorithm
solutions	O
.	O
</s>
<s>
Founded	O
in	O
1998	O
,	O
ClearForest	B-General_Concept
had	O
its	O
headquarters	O
just	O
outside	O
Boston	O
and	O
a	O
development	O
center	O
in	O
Or	O
Yehuda	O
.	O
</s>
<s>
It	O
now	O
markets	O
its	O
services	O
under	O
the	O
names	O
Calais	B-General_Concept
,	O
OpenCalais	B-General_Concept
,	O
and	O
OneCalais	O
.	O
</s>
<s>
ClearForest	B-General_Concept
was	O
previously	O
venture-backed	O
;	O
its	O
last	O
funding	O
round	O
was	O
led	O
by	O
Greylock	O
Ventures	O
and	O
closed	O
in	O
2005	O
.	O
</s>
<s>
On	O
February	O
7	O
,	O
2008	O
Reuters	O
announced	O
the	O
launch	O
of	O
Open	O
Calais	B-General_Concept
,	O
a	O
named-entity	B-General_Concept
recognition	I-General_Concept
and	O
semantic	O
analysis	O
service	O
that	O
uses	O
ClearForest	B-General_Concept
technology	O
.	O
</s>
<s>
On	O
April	O
30	O
,	O
2007	O
,	O
Reuters	O
announced	O
that	O
it	O
would	O
acquire	O
ClearForest	B-General_Concept
.	O
</s>
<s>
ClearForest	B-General_Concept
offers	O
several	O
hosted	O
solutions	O
,	O
including	O
:	O
</s>
<s>
OpenCalais	B-General_Concept
,	O
a	O
free	O
web	O
service	O
and	O
open	O
API	O
(	O
for	O
commercial	O
and	O
non-commercial	O
use	O
)	O
that	O
performs	O
named-entity	B-General_Concept
recognition	I-General_Concept
and	O
enables	O
automatic	O
metadata	O
generation	O
using	O
the	O
ClearForest	B-General_Concept
financial	O
module	O
.	O
</s>
<s>
Semantic	O
Web	O
Services	O
(	O
SWS	O
)	O
,	O
an	O
on-demand	O
service	O
that	O
makes	O
ClearForest	B-General_Concept
's	O
natural	O
language	O
processing	O
tools	O
available	O
as	O
a	O
standard	O
web	O
service	O
.	O
</s>
<s>
A	O
subset	O
of	O
ClearForest	B-General_Concept
's	O
capabilities	O
is	O
available	O
via	O
SWS	O
at	O
no	O
cost	O
.	O
</s>
<s>
Gnosis	O
,	O
a	O
free	O
Firefox	B-Operating_System
extension	I-Operating_System
that	O
uses	O
SWS	O
to	O
analyze	O
the	O
content	O
of	O
a	O
web	O
page	O
.	O
</s>
<s>
Gnosis	O
identifies	O
named	B-General_Concept
entities	I-General_Concept
such	O
as	O
people	O
,	O
companies	O
,	O
organizations	O
,	O
geographies	O
and	O
products	O
on	O
the	O
page	O
being	O
viewed	O
.	O
</s>
<s>
ClearForest	B-General_Concept
also	O
offers	O
Text	B-Algorithm
Analytics	I-Algorithm
solutions	O
targeted	O
at	O
specific	O
business	O
problems	O
,	O
including	O
:	O
</s>
