<s>
Eureka	B-Language
Streams	I-Language
is	O
a	O
free	B-Application
,	O
open-source	B-Application
enterprise	O
,	O
social	O
networking	O
platform	O
developed	O
by	O
Lockheed	O
Martin	O
.	O
</s>
<s>
Activity	O
streams	O
and	O
gadgets	B-Application
make	O
up	O
its	O
core	O
functionality	O
.	O
</s>
<s>
Content	O
within	O
Eureka	B-Language
Streams	I-Language
consists	O
primarily	O
of	O
microblogs	B-Application
and	O
internal	O
and	O
external	O
web	B-General_Concept
feeds	I-General_Concept
.	O
</s>
<s>
Users	O
typically	O
provide	O
links	O
to	O
other	O
content	O
,	O
such	O
as	O
wikis	B-Protocol
,	O
blogs	O
and	O
shared	O
documents	O
housed	O
in	O
a	O
content	B-Protocol
management	I-Protocol
system	I-Protocol
.	O
</s>
<s>
Eureka	B-Language
Streams	I-Language
uses	O
a	O
shared	B-Operating_System
nothing	I-Operating_System
architecture	I-Operating_System
.	O
</s>
<s>
It	O
uses	O
Memcached	B-Application
,	O
Apache	B-Language
Maven	I-Language
,	O
PostgreSQL	B-Application
and	O
Hibernate	B-Library
.	O
</s>
<s>
It	O
uses	O
Shindig	B-Protocol
for	O
OpenSocial	B-Application
.	O
</s>
<s>
It	O
makes	O
use	O
of	O
Java	B-Language
Message	I-Language
Service	I-Language
(	O
JMS	O
)	O
,	O
Java	B-Language
Persistence	I-Language
API	I-Language
(	O
JPA	O
)	O
,	O
Lucene	B-Language
and	O
Google	B-Language
Web	I-Language
Toolkit	I-Language
(	O
GWT	O
)	O
.	O
</s>
<s>
It	O
makes	O
use	O
of	O
the	O
Apache	B-Application
JServ	I-Application
Protocol	I-Application
(	O
AJP	O
)	O
,	O
OAuth	O
and	O
Representational	B-Protocol
State	I-Protocol
Transfer	I-Protocol
(	O
REST	O
)	O
.	O
</s>
<s>
The	O
development	O
of	O
the	O
Eureka	B-Language
Streams	I-Language
software	O
began	O
at	O
Lockheed	O
Martin	O
in	O
early	O
2009	O
.	O
</s>
<s>
However	O
,	O
the	O
name	O
"	O
Eureka	B-Language
Streams	I-Language
"	O
was	O
chosen	O
later	O
that	O
summer	O
and	O
subsequently	O
revealed	O
publicly	O
with	O
the	O
open	O
source	O
project	O
announcement	O
on	O
July	O
26	O
,	O
2010	O
.	O
</s>
<s>
The	O
core	O
team	O
behind	O
Eureka	B-Language
Streams	I-Language
resides	O
in	O
the	O
CIO	O
Office	O
of	O
Lockheed	O
Martin	O
Information	O
Systems	O
&	O
Global	O
Solutions	O
.	O
</s>
<s>
Eureka	B-Language
Streams	I-Language
consists	O
of	O
three	O
end-user	O
components	O
:	O
Activity	O
Streams	O
,	O
Profiles	O
,	O
and	O
Start	O
Page	O
.	O
</s>
