<s>
Couchbase	B-General_Concept
,	I-General_Concept
Inc	I-General_Concept
.	I-General_Concept
is	O
an	O
American	O
public	O
(	O
NASDAQ	O
symbol	O
BASE	O
)	O
software	O
company	O
that	O
develops	O
and	O
provides	O
commercial	O
packages	O
and	O
support	O
for	O
Couchbase	B-Operating_System
Server	I-Operating_System
and	O
Couchbase	B-Operating_System
Lite	I-Operating_System
both	O
of	O
which	O
are	O
open-source	B-Application
,	O
NoSQL	B-General_Concept
,	O
multi-model	B-Operating_System
,	O
document-oriented	B-General_Concept
database	I-General_Concept
software	O
packages	O
that	O
store	O
JSON	B-General_Concept
documents	O
or	O
a	O
pure	O
key-value	B-Data_Structure
database	I-Data_Structure
.	O
</s>
<s>
Original	O
officers	O
listed	O
were	O
James	O
Phillips	O
,	O
Steve	O
Yen	O
and	O
Dustin	O
Sallings	O
,	O
who	O
were	O
involved	O
in	O
the	O
development	O
of	O
memcached	B-Application
.	O
</s>
<s>
Some	O
time	O
later	O
in	O
2010	O
,	O
NorthScale	O
was	O
renamed	O
Membase	B-Operating_System
,	O
Incorporated	O
.	O
</s>
<s>
It	O
developed	O
and	O
provided	O
commercial	O
support	O
for	O
the	O
Apache	B-Application
CouchDB	I-Application
open	O
source	O
project	O
,	O
a	O
document	B-General_Concept
database	I-General_Concept
.	O
</s>
<s>
Couchbase	B-General_Concept
,	I-General_Concept
Inc	I-General_Concept
.	I-General_Concept
was	O
created	O
through	O
the	O
merger	O
of	O
Membase	B-Operating_System
and	O
CouchOne	O
in	O
February	O
2011	O
.	O
</s>
<s>
The	O
merged	O
company	O
aimed	O
to	O
build	O
an	O
easily	O
scalable	O
,	O
high-performance	O
document-oriented	B-General_Concept
database	I-General_Concept
system	O
,	O
marketed	O
with	O
the	O
term	O
NoSQL	B-General_Concept
.	O
</s>
