<s>
Google	B-General_Concept
Cloud	I-General_Concept
Dataflow	I-General_Concept
is	O
a	O
fully	O
managed	O
service	O
for	O
executing	O
Apache	B-Language
Beam	I-Language
pipelines	O
within	O
the	O
Google	B-General_Concept
Cloud	I-General_Concept
Platform	I-General_Concept
ecosystem	O
.	O
</s>
<s>
Google	B-General_Concept
Cloud	I-General_Concept
Dataflow	I-General_Concept
was	O
announced	O
in	O
June	O
,	O
2014	O
and	O
released	O
to	O
the	O
general	O
public	O
as	O
an	O
open	O
beta	O
in	O
April	O
,	O
2015	O
.	O
</s>
<s>
In	O
January	O
,	O
2016	O
Google	O
donated	O
the	O
underlying	O
SDK	B-Application
,	O
the	O
implementation	O
of	O
a	O
local	O
runner	O
,	O
and	O
a	O
set	O
of	O
IOs	O
(	O
data	O
connectors	O
)	O
to	O
access	O
Google	B-General_Concept
Cloud	I-General_Concept
Platform	I-General_Concept
data	O
services	O
to	O
the	O
Apache	O
Software	O
Foundation	O
.	O
</s>
<s>
The	O
donated	O
code	O
formed	O
the	O
original	O
basis	O
for	O
Apache	B-Language
Beam	I-Language
.	O
</s>
