<s>
Scirus	B-Application
was	O
a	O
comprehensive	O
science-specific	O
search	O
engine	O
,	O
first	O
launched	O
in	O
2001	O
.	O
</s>
<s>
Like	O
CiteSeerX	B-Application
and	O
Google	B-Library
Scholar	I-Library
,	O
it	O
was	O
focused	O
on	O
scientific	O
information	O
.	O
</s>
<s>
Unlike	O
CiteSeerX	B-Application
,	O
Scirus	B-Application
was	O
not	O
only	O
for	O
computer	O
sciences	O
and	O
IT	O
and	O
not	O
all	O
of	O
the	O
results	O
included	O
full	O
text	O
.	O
</s>
<s>
It	O
also	O
sent	O
its	O
scientific	O
search	O
results	O
to	O
Scopus	B-Library
,	O
an	O
abstract	O
and	O
citation	O
database	O
covering	O
scientific	O
research	O
output	O
globally	O
.	O
</s>
<s>
Scirus	B-Application
was	O
owned	O
and	O
operated	O
by	O
Elsevier	O
.	O
</s>
<s>
In	O
2013	O
an	O
announcement	O
appeared	O
,	O
on	O
the	O
Scirus	B-Application
homepage	O
,	O
announcing	O
the	O
site	O
's	O
retirement	O
in	O
2014	O
:	O
</s>
<s>
Scirus	B-Application
is	O
set	O
to	O
retire	O
in	O
early	O
2014	O
.	O
</s>
<s>
Thank	O
you	O
for	O
being	O
a	O
devoted	O
user	O
of	O
Scirus	B-Application
.	O
</s>
<s>
By	O
February	O
2014	O
,	O
the	O
Scirus	B-Application
homepage	O
indicated	O
that	O
the	O
service	O
was	O
no	O
longer	O
running	O
.	O
</s>
