<s>
Within	O
reconfigurable	B-Architecture
computing	I-Architecture
,	O
an	O
Adaptive	B-General_Concept
architecture	I-General_Concept
is	O
a	O
system	O
which	O
changes	O
its	O
structure	O
,	O
behaviour	O
or	O
resources	O
according	O
to	O
demand	O
.	O
</s>
<s>
Something	O
of	O
a	O
misnomer	O
,	O
because	O
the	O
thing	O
that	O
adapts	O
is	O
the	O
working	O
system	O
,	O
rather	O
than	O
the	O
(	O
more	O
abstract	O
)	O
architecture	B-Architecture
which	O
defines	O
the	O
adaptability	O
that	O
is	O
required	O
of	O
that	O
system	O
.	O
</s>
<s>
Adaptive	O
software	O
architecture	B-Architecture
:	O
Used	O
by	O
programmers	O
in	O
relation	O
to	O
a	O
program	O
.	O
</s>
<s>
An	O
adaptive	B-Algorithm
algorithm	I-Algorithm
"	O
is	O
an	O
algorithm	O
which	O
changes	O
its	O
behavior	O
based	O
on	O
the	O
resources	O
available	O
.	O
</s>
<s>
For	O
example	O
…	O
in	O
the	O
C++	B-Language
Standard	I-Language
Library	I-Language
,	O
the	O
stable	O
partition	B-Application
 [ program ] 	O
acquires	O
as	O
much	O
memory	O
as	O
it	O
can	O
get	O
(	O
up	O
to	O
what	O
it	O
would	O
need	O
at	O
most	O
)	O
and	O
applies	O
the	O
algorithm	O
using	O
that	O
available	O
memory.	O
"	O
</s>
<s>
Adaptive	O
infrastructure	O
architecture	B-Architecture
:	O
Used	O
by	O
infrastructure	O
engineers	O
in	O
relation	O
to	O
the	O
configuration	O
of	O
processors	O
.	O
</s>
<s>
The	O
computing	O
resources	O
used	O
by	O
applications	O
(	O
the	O
partition	B-Application
size	O
,	O
or	O
the	O
number	O
of	O
servers	B-Application
in	O
a	O
cluster	B-Architecture
,	O
or	O
the	O
share	O
of	O
a	O
processor	O
,	O
or	O
the	O
number	O
of	O
processes	O
)	O
are	O
configured	O
so	O
that	O
they	O
shrink	O
or	O
grow	O
with	O
demand	O
.	O
</s>
<s>
Adaptive	O
business	O
architecture	B-Architecture
:	O
Could	O
also	O
be	O
used	O
(	O
for	O
example	O
)	O
in	O
connection	O
with	O
a	O
workflow	B-Operating_System
system	O
that	O
assigns	O
human	O
resources	O
to	O
a	O
task	O
or	O
service	O
to	O
match	O
the	O
demand	O
for	O
that	O
task	O
or	O
service	O
.	O
</s>
