<s>
An	O
OpenURL	B-Library
knowledge	I-Library
base	I-Library
is	O
an	O
extensive	O
database	O
containing	O
information	O
about	O
electronic	O
resources	O
such	O
as	O
electronic	O
journals	O
or	O
ebooks	O
and	O
their	O
availability	O
and	O
accessibility	O
.	O
</s>
<s>
Information	O
stored	O
include	O
metadata	O
describing	O
individual	O
journals	O
and	O
books	O
,	O
serials	O
title	O
lists	O
available	O
from	O
specific	O
platforms	B-Library
,	O
what	O
years	O
are	O
in	O
the	O
subscription	O
(	O
also	O
called	O
coverage	O
dates	O
)	O
for	O
each	O
title	O
and	O
platform	O
and	O
inbound	O
hyperlink	O
syntax	O
.	O
</s>
<s>
OpenURL	B-Library
knowledge	I-Library
bases	I-Library
often	O
have	O
a	O
close	O
relationship	O
with	O
electronic	O
resource	O
management	O
systems	O
(	O
ERMS	O
)	O
as	O
both	O
the	O
link	O
resolver	O
and	O
the	O
ERMS	O
essentially	O
use	O
the	O
same	O
core	O
metadata	O
.	O
</s>
