<s>
In	O
computing	O
,	O
dataflow	B-Application
is	O
a	O
broad	O
concept	O
,	O
which	O
has	O
various	O
meanings	O
depending	O
on	O
the	O
application	O
and	O
context	O
.	O
</s>
<s>
In	O
the	O
context	O
of	O
software	B-Architecture
architecture	I-Architecture
,	O
data	B-Application
flow	I-Application
relates	O
to	O
stream	B-Application
processing	I-Application
or	O
reactive	B-Architecture
programming	I-Architecture
.	O
</s>
<s>
Dataflow	B-Application
computing	I-Application
is	O
a	O
software	O
paradigm	O
based	O
on	O
the	O
idea	O
of	O
representing	O
computations	O
as	O
a	O
directed	O
graph	O
,	O
where	O
nodes	O
are	O
computations	O
and	O
data	B-Application
flow	I-Application
along	O
the	O
edges	O
.	O
</s>
<s>
Dataflow	B-Application
can	O
also	O
be	O
called	O
stream	B-Application
processing	I-Application
or	O
reactive	B-Architecture
programming	I-Architecture
.	O
</s>
<s>
There	O
have	O
been	O
multiple	O
data-flow/stream	O
processing	O
languages	O
of	O
various	O
forms	O
(	O
see	O
Stream	B-Application
processing	I-Application
)	O
.	O
</s>
<s>
Data-flow	B-Application
hardware	O
(	O
see	O
Dataflow	B-General_Concept
architecture	I-General_Concept
)	O
is	O
an	O
alternative	O
to	O
the	O
classic	O
von	B-Architecture
Neumann	I-Architecture
architecture	I-Architecture
.	O
</s>
<s>
The	O
most	O
obvious	O
example	O
of	O
data-flow	B-Application
programming	I-Application
is	O
the	O
subset	O
known	O
as	O
reactive	B-Architecture
programming	I-Architecture
with	O
spreadsheets	O
.	O
</s>
<s>
Distributed	B-Operating_System
data	I-Operating_System
flows	I-Operating_System
have	O
also	O
been	O
proposed	O
as	O
a	O
programming	O
abstraction	O
that	O
captures	O
the	O
dynamics	O
of	O
distributed	O
multi-protocols	O
.	O
</s>
<s>
The	O
data-centric	O
perspective	O
characteristic	O
of	O
data	B-Application
flow	I-Application
programming	I-Application
promotes	O
high-level	O
functional	O
specifications	O
and	O
simplifies	O
formal	O
reasoning	O
about	O
system	O
components	O
.	O
</s>
<s>
Hardware	O
architectures	O
for	O
dataflow	B-Application
was	O
a	O
major	O
topic	O
in	O
computer	B-General_Concept
architecture	I-General_Concept
research	O
in	O
the	O
1970s	O
and	O
early	O
1980s	O
.	O
</s>
<s>
Jack	O
Dennis	O
of	O
the	O
Massachusetts	O
Institute	O
of	O
Technology	O
(	O
MIT	O
)	O
pioneered	O
the	O
field	O
of	O
static	O
dataflow	B-General_Concept
architectures	I-General_Concept
.	O
</s>
<s>
Designs	O
that	O
use	O
conventional	O
memory	O
addresses	O
as	O
data	O
dependency	O
tags	O
are	O
called	O
static	O
dataflow	B-Application
machines	O
.	O
</s>
<s>
Designs	O
that	O
use	O
content-addressable	B-Data_Structure
memory	I-Data_Structure
are	O
called	O
dynamic	O
dataflow	B-Application
machines	O
by	O
Arvind	O
.	O
</s>
<s>
Data	B-Application
flows	I-Application
around	O
the	O
computer	O
through	O
the	O
components	O
of	O
the	O
computer	O
.	O
</s>
<s>
A	O
dataflow	B-Application
network	O
is	O
a	O
network	O
of	O
concurrently	O
executing	O
processes	O
or	O
automata	O
that	O
can	O
communicate	O
by	O
sending	O
data	O
over	O
channels	O
(	O
see	O
message	B-Architecture
passing	I-Architecture
.	O
)	O
</s>
<s>
In	O
Kahn	B-Application
process	I-Application
networks	I-Application
,	O
named	O
after	O
Gilles	O
Kahn	O
,	O
the	O
processes	O
are	O
determinate	O
.	O
</s>
<s>
Dataflow	B-Application
can	O
also	O
refer	O
to	O
:	O
</s>
<s>
Power	B-Application
BI	I-Application
Dataflow	B-Application
,	O
a	O
Power	B-Operating_System
Query	I-Operating_System
implementation	O
in	O
the	O
cloud	O
used	O
for	O
transforming	O
source	O
data	O
into	O
cleansed	O
Power	B-Application
BI	I-Application
Datasets	O
to	O
be	O
used	O
by	O
Power	B-Application
BI	I-Application
report	O
developers	O
through	O
the	O
Microsoft	O
Dataverse	O
(	O
formerly	O
called	O
Microsoft	O
Common	O
Data	O
Service	O
)	O
.	O
</s>
<s>
Google	B-General_Concept
Cloud	I-General_Concept
Dataflow	I-General_Concept
,	O
a	O
fully	O
managed	O
service	O
for	O
executing	O
Apache	O
Beam	O
pipelines	B-General_Concept
within	O
the	O
Google	O
Cloud	O
Platform	O
ecosystem	O
.	O
</s>
