<s>
Apache	B-Language
Jackrabbit	I-Language
is	O
an	O
open	B-Application
source	I-Application
content	B-Protocol
repository	I-Protocol
for	O
the	O
Java	B-Device
platform	I-Device
.	O
</s>
<s>
The	O
Jackrabbit	B-Language
project	O
was	O
started	O
on	O
August	O
28	O
,	O
2004	O
,	O
when	O
Day	O
Software	O
licensed	O
an	O
initial	O
implementation	O
of	O
the	O
Java	B-Protocol
Content	I-Protocol
Repository	I-Protocol
API	O
(	O
JCR	O
)	O
.	O
</s>
<s>
Jackrabbit	B-Language
was	O
also	O
used	O
as	O
the	O
reference	O
implementation	O
of	O
JSR-170	B-Protocol
,	O
specified	O
within	O
the	O
Java	B-Language
Community	I-Language
Process	I-Language
.	O
</s>
<s>
The	O
project	O
graduated	O
from	O
the	O
Apache	B-Application
Incubator	I-Application
on	O
March	O
15	O
,	O
2006	O
,	O
and	O
is	O
now	O
a	O
Top	O
Level	O
Project	O
of	O
the	O
Apache	O
Software	O
Foundation	O
.	O
</s>
<s>
JCR	O
specifies	O
an	O
API	O
for	O
application	O
developers	O
(	O
and	O
application	O
frameworks	O
)	O
to	O
use	O
for	O
interaction	O
with	O
modern	O
content	B-Protocol
repositories	I-Protocol
that	O
provide	O
content	O
services	O
such	O
as	O
searching	O
,	O
versioning	O
,	O
transactions	O
,	O
etc	O
.	O
</s>
