<s>
The	O
Data	B-General_Concept
Reference	I-General_Concept
Model	I-General_Concept
(	O
DRM	O
)	O
is	O
one	O
of	O
the	O
five	O
reference	O
models	O
of	O
the	O
Federal	B-Library
Enterprise	I-Library
Architecture	I-Library
.	O
</s>
<s>
The	O
Data	B-General_Concept
Reference	I-General_Concept
Model	I-General_Concept
version	O
2	O
released	O
in	O
November	O
2005	O
is	O
a	O
114-page	O
document	O
with	O
detailed	O
architectural	O
diagrams	O
and	O
an	O
extensive	O
glossary	O
of	O
terms	O
.	O
</s>
