<s>
Service-oriented	B-General_Concept
Software	I-General_Concept
Engineering	I-General_Concept
(	O
SOSE	O
)	O
,	O
also	O
referred	O
to	O
as	O
service	O
engineering	O
,	O
is	O
a	O
software	O
engineering	O
methodology	O
focused	O
on	O
the	O
development	O
of	O
software	O
systems	O
by	O
composition	O
of	O
reusable	O
services	O
(	O
service-orientation	O
)	O
often	O
provided	O
by	O
other	O
service	O
providers	O
.	O
</s>
<s>
Since	O
it	O
involves	O
composition	O
,	O
it	O
shares	O
many	O
characteristics	O
of	O
component-based	B-Architecture
software	I-Architecture
engineering	I-Architecture
,	O
the	O
composition	O
of	O
software	O
systems	O
from	O
reusable	O
components	O
,	O
but	O
it	O
adds	O
the	O
ability	O
to	O
dynamically	O
locate	O
necessary	O
services	O
at	O
run-time	O
.	O
</s>
