<s>
A	O
device	B-Operating_System
ecology	I-Operating_System
refers	O
to	O
a	O
collection	O
of	O
devices	O
with	O
relationships	O
among	O
each	O
other	O
,	O
that	O
is	O
,	O
these	O
devices	O
can	O
communicate	O
with	O
one	O
another	O
and	O
are	O
aware	O
of	O
each	O
other	O
's	O
presence	O
.	O
</s>
<s>
Devices	O
in	O
a	O
future	O
living	O
room	O
,	O
devices	O
in	O
a	O
kitchen	O
,	O
or	O
devices	O
in	O
a	O
factory	O
might	O
collectively	O
form	O
device	B-Operating_System
ecologies	I-Operating_System
(	O
a	O
living	O
room	O
device	B-Operating_System
ecology	I-Operating_System
,	O
a	O
kitchen	O
device	B-Operating_System
ecology	I-Operating_System
,	O
etc	O
.	O
)	O
</s>
<s>
Imagine	O
a	O
user	O
introducing	O
a	O
new	O
device	O
to	O
the	O
living	O
room	O
device	B-Operating_System
ecology	I-Operating_System
(	O
i.e.	O
,	O
bringing	O
home	O
a	O
new	O
device	O
)	O
.	O
</s>
<s>
Ideally	O
,	O
the	O
user	O
simply	O
places	O
the	O
device	O
in	O
the	O
living	O
room	O
,	O
and	O
there	O
is	O
an	O
automatic	O
"	O
orientation	O
"	O
of	O
the	O
new	O
device	O
with	O
subsequent	O
integration	O
into	O
the	O
living	O
room	O
device	B-Operating_System
ecology	I-Operating_System
.	O
</s>
<s>
It	O
is	O
possible	O
that	O
devices	O
have	O
different	O
roles	O
within	O
a	O
device	B-Operating_System
ecology	I-Operating_System
.	O
</s>
<s>
The	O
notions	O
of	O
mutualism	O
,	O
commensalism	O
,	O
endosymbiosis	O
and	O
ectosymbiosis	O
may	O
then	O
be	O
interpreted	O
for	O
a	O
device	B-Operating_System
ecology	I-Operating_System
with	O
devices	O
of	O
different	O
forms	O
,	O
functionalities	O
and	O
sizes	O
;	O
other	O
relationships	O
can	O
be	O
defined	O
.	O
</s>
<s>
This	O
also	O
means	O
that	O
devices	O
within	O
a	O
device	B-Operating_System
ecology	I-Operating_System
can	O
affect	O
each	O
other	O
through	O
their	O
behavior	O
.	O
</s>
<s>
Device	B-Operating_System
ecology	I-Operating_System
relates	O
to	O
the	O
notion	O
of	O
social	O
devices	O
,	O
using	O
the	O
word	O
"	O
social	O
"	O
to	O
describe	O
devices	O
that	O
are	O
capable	O
of	O
interacting	O
with	O
one	O
another	O
,	O
and	O
relates	O
to	O
smart	B-Device
devices	I-Device
,	O
which	O
refers	O
to	O
devices	O
with	O
capabilities	O
to	O
interact	O
with	O
one	O
another	O
and	O
with	O
users	O
in	O
an	O
intelligent	O
context-aware	O
manner	O
.	O
</s>
<s>
Typically	O
,	O
with	O
a	O
user	O
in	O
an	O
environment	O
,	O
the	O
devices	O
in	O
the	O
environment	O
and	O
on	O
the	O
user	O
can	O
form	O
a	O
device	B-Operating_System
ecology	I-Operating_System
.	O
</s>
<s>
A	O
research	O
problem	O
is	O
how	O
a	O
user	O
might	O
interact	O
with	O
device	B-Operating_System
ecologies	I-Operating_System
,	O
and	O
another	O
is	O
how	O
devices	O
might	O
keep	O
track	O
of	O
each	O
other	O
,	O
even	O
as	O
new	O
devices	O
might	O
join	O
the	O
ecology	O
or	O
devices	O
leave	O
.	O
</s>
