<s>
NNI	O
(	O
Neural	B-Application
Network	I-Application
Intelligence	I-Application
)	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
AutoML	B-General_Concept
toolkit	O
developed	O
by	O
Microsoft	O
.	O
</s>
<s>
It	O
is	O
used	O
to	O
automate	O
feature	B-General_Concept
engineering	I-General_Concept
,	O
model	O
compression	O
,	O
neural	B-General_Concept
architecture	I-General_Concept
search	I-General_Concept
,	O
and	O
hyper-parameter	B-General_Concept
tuning	I-General_Concept
.	O
</s>
<s>
The	O
source	O
code	O
is	O
licensed	O
under	O
MIT	B-License
License	I-License
and	O
available	O
on	O
GitHub	B-Application
.	O
</s>
