<s>
Neural	B-General_Concept
Network	I-General_Concept
Exchange	I-General_Concept
Format	I-General_Concept
(	O
NNEF	B-General_Concept
)	O
is	O
an	O
artificial	B-Architecture
neural	I-Architecture
network	I-Architecture
data	B-General_Concept
exchange	I-General_Concept
format	I-General_Concept
developed	O
by	O
the	B-Library
Khronos	I-Library
Group	I-Library
.	O
</s>
<s>
It	O
is	O
intended	O
to	O
reduce	O
machine	O
learning	O
deployment	O
fragmentation	O
by	O
enabling	O
a	O
rich	O
mix	O
of	O
neural	B-Architecture
network	I-Architecture
training	O
tools	O
and	O
inference	O
engines	O
to	O
be	O
used	O
by	O
applications	O
across	O
a	O
diverse	O
range	O
of	O
devices	O
and	O
platforms	O
.	O
</s>
<s>
NNEF	B-General_Concept
was	O
proposed	O
in	O
2015	O
by	O
member	O
companies	O
of	O
the	B-Library
Khronos	I-Library
Group	I-Library
as	O
a	O
device	O
and	O
implementation	O
independent	O
transfer	O
format	O
capable	O
of	O
describing	O
any	O
artificial	B-Architecture
neural	I-Architecture
net	I-Architecture
in	O
terms	O
of	O
its	O
structure	O
,	O
operations	O
and	O
data	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
the	O
standard	O
was	O
launched	O
in	O
provisional	O
form	O
in	O
December	O
2017	O
,	O
and	O
was	O
ratified	O
as	O
an	O
official	O
Khronos	B-Library
standard	O
in	O
August	O
2018	O
.	O
</s>
<s>
The	O
goal	O
of	O
NNEF	B-General_Concept
is	O
to	O
enable	O
data	O
scientists	O
and	O
engineers	O
to	O
easily	O
transfer	O
trained	O
networks	O
from	O
their	O
chosen	O
training	O
framework	O
into	O
a	O
wide	O
variety	O
of	O
inference	O
engines	O
.	O
</s>
<s>
NNEF	B-General_Concept
encapsulates	O
a	O
complete	O
description	O
of	O
the	O
structure	O
,	O
operations	O
and	O
parameters	O
of	O
a	O
trained	O
neural	B-Architecture
network	I-Architecture
,	O
independent	O
of	O
the	O
training	O
tools	O
used	O
to	O
produce	O
it	O
and	O
the	O
inference	O
engine	O
used	O
to	O
execute	O
it	O
.	O
</s>
<s>
NNEF	B-General_Concept
is	O
maintained	O
by	O
the	B-Library
Khronos	I-Library
Group	I-Library
under	O
its	O
Open	O
Governance	O
Principles	O
as	O
follows	O
:	O
</s>
<s>
Any	O
company	O
is	O
invited	O
and	O
able	O
to	O
join	O
Khronos	B-Library
to	O
contribute	O
to	O
and	O
influence	O
the	O
development	O
of	O
its	O
specifications	O
;	O
</s>
<s>
Finalized	O
specifications	O
are	O
publicly	O
and	O
freely	O
distributed	O
at	O
zero	O
cost	O
from	O
the	O
Khronos	B-Library
web-site	O
;	O
</s>
<s>
Developers	O
may	O
freely	O
use	O
implementations	O
of	O
Khronos	B-Library
specifications	O
.	O
</s>
<s>
NNEF	B-General_Concept
1.0	O
Provisional	O
,	O
Released	O
20	O
December	O
2017	O
.	O
</s>
<s>
The	O
following	O
Khronos	B-Library
members	O
have	O
participated	O
in	O
the	O
NNEF	B-General_Concept
working	O
group	O
:	O
</s>
