<s>
The	O
term	O
programming	B-Language
domain	I-Language
is	O
mostly	O
used	O
when	O
referring	O
to	O
domain-specific	B-Language
programming	I-Language
languages	I-Language
.	O
</s>
<s>
It	O
refers	O
to	O
a	O
set	O
of	O
programming	O
languages	O
or	O
programming	B-Application
environments	I-Application
that	O
were	O
written	O
specifically	O
for	O
a	O
particular	O
domain	B-General_Concept
,	O
where	O
domain	B-General_Concept
means	O
a	O
broad	O
subject	O
for	O
end	O
users	O
such	O
as	O
accounting	O
or	O
finance	O
,	O
or	O
a	O
category	O
of	O
program	O
usage	O
such	O
as	O
artificial	B-Application
intelligence	I-Application
or	O
email	O
.	O
</s>
<s>
Languages	O
and	O
systems	O
within	O
a	O
single	O
programming	B-Language
domain	I-Language
would	O
have	O
functions	O
common	O
to	O
the	O
domain	B-General_Concept
and	O
may	O
omit	O
functions	O
that	O
are	O
irrelevant	O
to	O
a	O
domain	B-General_Concept
.	O
</s>
<s>
Some	O
examples	O
of	O
programming	B-Language
domains	I-Language
are	O
:	O
</s>
<s>
Expert	B-Application
systems	I-Application
,	O
computer	O
systems	O
that	O
emulate	O
the	O
decision-making	O
ability	O
of	O
a	O
human	O
expert	O
and	O
are	O
designed	O
to	O
solve	O
complex	O
problems	O
by	O
reasoning	O
through	O
bodies	O
of	O
knowledge	O
.	O
</s>
<s>
Natural-language	B-Language
processing	I-Language
,	O
handling	O
interactions	O
between	O
computers	O
and	O
human	O
(	O
natural	O
)	O
languages	O
such	O
as	O
speech	B-Application
recognition	I-Application
,	O
natural-language	B-General_Concept
understanding	I-General_Concept
,	O
and	O
natural-language	B-General_Concept
generation	I-General_Concept
.	O
</s>
<s>
Computer	B-Application
vision	I-Application
,	O
dealing	O
with	O
how	O
computers	O
can	O
understand	O
and	O
automate	O
tasks	O
that	O
the	O
human	O
visual	O
system	O
can	O
do	O
and	O
extracting	O
data	O
from	O
the	O
real	O
world	O
.	O
</s>
<s>
Other	O
programming	B-Language
domains	I-Language
would	O
include	O
:	O
</s>
