<s>
MetaLib	B-Application
is	O
a	O
federated	B-Operating_System
search	I-Operating_System
system	O
developed	O
by	O
Ex	O
Libris	O
Group	O
.	O
</s>
<s>
MetaLib	B-Application
conducts	O
simultaneous	O
searches	O
in	O
multiple	O
,	O
and	O
often	O
heterogeneous	O
,	O
information	O
resources	O
such	O
as	O
library	O
catalogs	O
,	O
journal	O
articles	O
,	O
newspapers	O
and	O
selected	O
quality	O
Internet	O
resources	O
.	O
</s>
<s>
The	O
resources	O
are	O
often	O
subscription	O
based	O
,	O
and	O
MetaLib	B-Application
provides	O
access	O
for	O
legitimate	O
users	O
.	O
</s>
<s>
MetaLib	B-Application
is	O
often	O
used	O
in	O
conjunction	O
with	O
the	O
SFX	B-Application
OpenURL	O
resolver	O
.	O
</s>
