<s>
DSpace	B-Language
is	O
an	O
open	B-License
source	I-License
repository	B-Protocol
software	O
package	O
typically	O
used	O
for	O
creating	O
open	O
access	O
repositories	O
for	O
scholarly	O
and/or	O
published	O
digital	O
content	O
.	O
</s>
<s>
While	O
DSpace	B-Language
shares	O
some	O
feature	O
overlap	O
with	O
content	B-Protocol
management	I-Protocol
systems	I-Protocol
and	O
document	O
management	O
systems	O
,	O
the	O
DSpace	B-Language
repository	B-Protocol
software	O
serves	O
a	O
specific	O
need	O
as	O
a	O
digital	O
archives	O
system	O
,	O
focused	O
on	O
the	O
long-term	O
storage	O
,	O
access	O
and	O
preservation	O
of	O
digital	O
content	O
.	O
</s>
<s>
The	O
optional	O
DSpace	B-Language
registry	O
lists	O
almost	O
three	O
thousand	O
repositories	O
all	O
over	O
the	O
world	O
.	O
</s>
<s>
The	O
first	O
public	O
version	O
of	O
DSpace	B-Language
was	O
released	O
in	O
November	O
2002	O
,	O
as	O
a	O
joint	O
effort	O
between	O
developers	O
from	O
MIT	O
and	O
HP	O
Labs	O
.	O
</s>
<s>
Following	O
the	O
first	O
user	O
group	O
meeting	O
in	O
March	O
2004	O
,	O
a	O
group	O
of	O
interested	O
institutions	O
formed	O
the	O
DSpace	B-Language
Federation	O
,	O
which	O
determined	O
the	O
governance	O
of	O
future	O
software	O
development	O
by	O
adopting	O
the	O
Apache	O
Foundation	O
's	O
community	O
development	O
model	O
as	O
well	O
as	O
establishing	O
the	O
DSpace	B-Language
Committer	O
Group	O
.	O
</s>
<s>
In	O
July	O
2007	O
as	O
the	O
DSpace	B-Language
user	O
community	O
grew	O
larger	O
,	O
HP	O
and	O
MIT	O
jointly	O
formed	O
the	O
DSpace	B-Language
Foundation	O
,	O
a	O
not-for-profit	O
organization	O
that	O
provided	O
leadership	O
and	O
support	O
.	O
</s>
<s>
In	O
May	O
2009	O
collaboration	O
on	O
related	O
projects	O
and	O
growing	O
synergies	O
between	O
the	O
DSpace	B-Language
Foundation	O
and	O
the	O
Fedora	B-Application
Commons	I-Application
organization	O
led	O
to	O
the	O
joining	O
of	O
the	O
two	O
organizations	O
to	O
pursue	O
their	O
common	O
mission	O
in	O
a	O
not-for-profit	O
called	O
DuraSpace	O
.	O
</s>
<s>
Currently	O
the	O
DSpace	B-Language
software	O
and	O
user	O
community	O
receives	O
leadership	O
and	O
guidance	O
from	O
LYRASIS	O
.	O
</s>
<s>
DSpace	B-Language
is	O
constructed	O
with	O
Java	B-Language
web	B-Application
applications	I-Application
,	O
many	O
programs	O
,	O
and	O
an	O
associated	O
metadata	O
store	O
.	O
</s>
<s>
The	O
web	B-Application
applications	I-Application
provide	O
interfaces	O
for	O
administration	O
,	O
deposit	O
,	O
ingest	O
,	O
search	O
,	O
and	O
access	O
.	O
</s>
<s>
The	O
metadata	O
,	O
including	O
access	O
and	O
configuration	O
information	O
,	O
is	O
stored	O
in	O
a	O
relational	B-Application
database	I-Application
and	O
supports	O
the	O
use	O
of	O
PostgreSQL	B-Application
and	O
Oracle	B-General_Concept
database	I-General_Concept
.	O
</s>
<s>
DSpace	B-Language
holdings	O
are	O
made	O
available	O
primarily	O
via	O
a	O
web	B-Application
interface	I-Application
.	O
</s>
<s>
More	O
recent	O
versions	O
of	O
DSpace	B-Language
also	O
support	O
faceted	O
search	O
and	O
browse	O
functionality	O
using	O
Apache	B-Language
Solr	I-Language
.	O
</s>
<s>
Some	O
most	O
important	O
features	O
of	O
DSpace	B-Language
are	O
as	O
follows	O
.	O
</s>
<s>
DSpace	B-Language
software	O
runs	O
on	O
Linux	O
,	O
Solaris	O
,	O
Unix	O
,	O
Ubuntu	O
and	O
Windows	O
.	O
</s>
<s>
Linux	O
is	O
by	O
far	O
the	O
most	O
common	O
OS	O
for	O
DSpace	B-Language
.	O
</s>
<s>
A	O
full	O
list	O
of	O
institutional	O
repositories	O
using	O
DSpace	B-Language
software	O
as	O
well	O
as	O
others	O
is	O
available	O
via	O
the	O
Registry	O
of	O
Open	O
Access	O
Repositories	O
(	O
ROAR	O
)	O
and	O
at	O
the	O
DuraSpace	O
Registry	O
.	O
</s>
