<s>
RedLightGreen	B-Library
was	O
a	O
database	O
of	O
bibliographic	O
descriptions	O
on	O
the	O
Web	O
created	O
by	O
Research	O
Libraries	O
Group	O
(	O
RLG	O
)	O
.	O
</s>
<s>
It	O
used	O
a	O
set	O
of	O
four	O
million	O
records	O
extracted	O
from	O
OCLC	O
's	O
WorldCat	B-Library
database	O
,	O
and	O
was	O
designed	O
to	O
help	O
novice	O
users	O
make	O
selections	O
from	O
the	O
vast	O
bibliographic	O
resources	O
they	O
would	O
encounter	O
in	O
such	O
a	O
large	O
set	O
.	O
</s>
<s>
RedLightGreen	B-Library
also	O
allowed	O
users	O
to	O
create	O
citations	O
for	O
works	O
found	O
.	O
</s>
<s>
Work	O
on	O
RedLightGreen	B-Library
began	O
in	O
2001	O
with	O
funding	O
from	O
the	O
Andrew	O
W	O
.	O
Mellon	O
Foundation	O
.	O
</s>
<s>
On	O
July	O
1	O
,	O
2006	O
,	O
RLG	O
was	O
merged	O
with	O
OCLC	O
,	O
and	O
it	O
was	O
announced	O
that	O
the	O
RedLightGreen	B-Library
service	O
would	O
be	O
replaced	O
by	O
WorldCat	B-Library
,	O
via	O
Open	O
WorldCat	B-Library
,	O
available	O
at	O
WorldCat.org	B-Library
.	O
</s>
