<s>
In	O
computer	B-General_Concept
science	I-General_Concept
,	O
choreographic	B-Application
programming	I-Application
is	O
a	O
programming	O
paradigm	O
where	O
programs	O
are	O
compositions	O
of	O
interactions	O
among	O
multiple	O
concurrent	B-Operating_System
participants	O
.	O
</s>
<s>
In	O
choreographic	B-Application
programming	I-Application
,	O
developers	O
use	O
a	O
choreographic	B-Application
programming	I-Application
language	O
to	O
define	O
the	O
intended	O
communication	O
behaviour	O
of	O
concurrent	B-Operating_System
participants	O
.	O
</s>
<s>
Choreographic	O
languages	O
are	O
inspired	O
by	O
security	B-General_Concept
protocol	I-General_Concept
notation	I-General_Concept
(	O
also	O
known	O
as	O
"	O
Alice	O
and	O
Bob	O
"	O
notation	O
)	O
.	O
</s>
<s>
The	O
example	O
below	O
shows	O
a	O
choreography	O
for	O
a	O
simplified	O
single	O
sign-on	O
(	O
SSO	O
)	O
protocol	O
based	O
on	O
a	O
Central	B-Language
Authentication	I-Language
Service	I-Language
(	O
CAS	O
)	O
that	O
involves	O
three	O
roles	O
:	O
</s>
<s>
CAS	O
,	O
which	O
is	O
the	O
Central	B-Language
Authentication	I-Language
Service	I-Language
responsible	O
for	O
checking	O
the	O
Client	O
's	O
credentials	O
.	O
</s>
<s>
A	O
key	O
feature	O
of	O
choreographic	B-Application
programming	I-Application
is	O
the	O
capability	O
of	O
compiling	O
choreographies	O
to	O
distributed	O
implementations	O
.	O
</s>
<s>
The	O
paradigm	O
of	O
choreographic	B-Application
programming	I-Application
originates	O
from	O
its	O
titular	O
PhD	O
thesis	O
.	O
</s>
<s>
The	O
inspiration	O
for	O
the	O
syntax	O
of	O
choreographic	B-Application
programming	I-Application
languages	O
can	O
be	O
traced	O
back	O
to	O
security	B-General_Concept
protocol	I-General_Concept
notation	I-General_Concept
,	O
also	O
known	O
as	O
"	O
Alice	O
and	O
Bob	O
"	O
notation	O
.	O
</s>
<s>
Choreographic	B-Application
programming	I-Application
has	O
also	O
been	O
heavily	O
influenced	O
by	O
standards	O
for	O
service	O
choreography	O
and	O
interaction	O
diagrams	O
,	O
as	O
well	O
as	O
developments	O
of	O
the	O
theory	O
of	O
process	O
calculi	O
.	O
</s>
<s>
Choreographic	B-Application
programming	I-Application
is	O
an	O
active	O
area	O
of	O
research	O
.	O
</s>
<s>
The	O
paradigm	O
has	O
been	O
used	O
in	O
the	O
study	O
of	O
information	O
flow	O
,	O
parallel	B-Operating_System
computing	I-Operating_System
,	O
cyber-physical	B-General_Concept
systems	I-General_Concept
,	O
runtime	O
adaptation	O
,	O
and	O
system	O
integration	O
.	O
</s>
<s>
A	O
choreographic	B-Application
programming	I-Application
language	O
for	O
adaptable	B-General_Concept
systems	I-General_Concept
that	O
produces	O
code	O
in	O
Jolie	B-Language
.	O
</s>
<s>
A	O
session-typed	B-Operating_System
choreographic	B-Application
programming	I-Application
language	O
that	O
compiles	O
to	O
microservices	O
in	O
Jolie	B-Language
.	O
</s>
<s>
A	O
higher-order	O
,	O
object-oriented	O
choreographic	B-Application
programming	I-Application
language	O
that	O
compiles	O
to	O
libraries	O
in	O
Java	B-Language
.	O
</s>
<s>
A	O
core	O
theoretical	O
model	O
for	O
choreographic	B-Application
programming	I-Application
.	O
</s>
<s>
A	O
mechanised	O
implementation	O
is	O
available	O
in	O
Coq	B-Application
.	O
</s>
<s>
A	O
choreographic	B-Application
programming	I-Application
language	O
with	O
a	O
verified	O
compiler	O
to	O
CakeML	O
.	O
</s>
<s>
A	O
mechanised	O
choreographic	B-Application
programming	I-Application
language	O
theory	O
with	O
higher-order	O
procedures	O
.	O
</s>
