<s>
Vertebra	B-Application
is	O
a	O
framework	O
that	O
aims	O
to	O
simplify	O
writing	O
applications	O
in	B-Architecture
The	I-Architecture
Cloud	I-Architecture
written	O
by	O
Engine	O
Yard	O
.	O
</s>
<s>
It	O
was	O
released	O
under	O
the	O
GNU	B-Application
Lesser	I-Application
General	I-Application
Public	I-Application
License	I-Application
3	I-Application
at	O
the	O
end	O
of	O
2008	O
.	O
</s>
<s>
Vertebra	B-Application
is	O
written	O
in	O
a	O
combination	O
of	O
Ruby	B-Language
and	O
Erlang	B-Operating_System
.	O
</s>
<s>
It	O
has	O
been	O
characterized	O
as	O
a	O
Service-Oriented-Architecture	O
for	O
the	B-Architecture
cloud	I-Architecture
,	O
an	O
application	O
deployment	O
platform	O
,	O
and	O
an	O
evolution	O
in	O
the	O
architecture	O
for	O
cloud	B-Architecture
computing	I-Architecture
.	O
</s>
