<s>
IPSN	B-Device
,	O
the	O
IEEE/ACM	O
International	B-Device
Conference	I-Device
on	I-Device
Information	I-Device
Processing	I-Device
in	I-Device
Sensor	I-Device
Networks	I-Device
,	O
is	O
an	O
academic	O
conference	O
on	O
sensor	B-Architecture
networks	I-Architecture
with	O
its	O
main	O
focus	O
on	O
information	O
processing	O
aspects	O
of	O
sensor	B-Architecture
networks	I-Architecture
.	O
</s>
<s>
IPSN	B-Device
draws	O
upon	O
many	O
disciplines	O
including	O
signal	O
and	O
image	B-Algorithm
processing	I-Algorithm
,	O
information	O
and	O
coding	B-Error_Name
theory	I-Error_Name
,	O
networking	B-Architecture
and	O
protocols	O
,	O
distributed	B-Operating_System
algorithms	I-Operating_System
,	O
wireless	O
communications	O
,	O
machine	O
learning	O
,	O
embedded	B-Architecture
systems	I-Architecture
design	O
,	O
and	O
data	B-Application
bases	I-Application
and	O
information	B-Application
management	I-Application
.	O
</s>
<s>
IPSN	B-Device
started	O
in	O
2001	O
,	O
and	O
following	O
is	O
a	O
list	O
of	O
IPSN	B-Device
events	O
from	O
2001	O
to	O
2014	O
:	O
</s>
<s>
7th	O
IPSN	B-Device
2008	O
,	O
(	O
Washington	O
U	O
.	O
)	O
</s>
<s>
Although	O
there	O
is	O
no	O
official	O
ranking	O
of	O
academic	O
conferences	O
on	O
wireless	B-Architecture
sensor	I-Architecture
networks	I-Architecture
,	O
</s>
<s>
IPSN	B-Device
is	O
widely	O
regarded	O
by	O
researchers	O
as	O
one	O
of	O
the	O
two	O
(	O
along	O
with	O
SenSys	B-Application
)	O
most	O
prestigious	O
conferences	O
focusing	O
on	O
sensor	B-Architecture
network	I-Architecture
research	O
.	O
</s>
<s>
SenSys	B-Application
focuses	O
more	O
on	O
system	O
issues	O
while	O
IPSN	B-Device
on	O
algorithmic	O
and	O
theoretical	O
considerations	O
.	O
</s>
<s>
IPSN	B-Device
started	O
off	O
as	O
a	O
workshop	O
at	O
Xerox	O
Palo	O
Alto	O
Research	O
Center	O
in	O
2001	O
,	O
and	O
it	O
was	O
initially	O
called	O
Collaborative	O
Signal	O
Processing	O
Workshop	O
(	O
CSP	O
Workshop	O
)	O
.	O
</s>
<s>
Following	O
the	O
success	O
of	O
the	O
first	O
event	O
,	O
in	O
2003	O
,	O
the	O
workshop	O
defined	O
its	O
focus	O
more	O
on	O
sensor	B-Architecture
networks	I-Architecture
and	O
was	O
renamed	O
International	O
Workshop	O
on	O
Information	O
Processing	O
in	O
Sensor	B-Architecture
Networks	I-Architecture
(	O
IPSN	B-Device
)	O
.	O
</s>
<s>
The	O
event	O
kept	O
the	O
name	O
acronym	O
IPSN	B-Device
from	O
2003	O
onwards	O
but	O
the	O
full	O
name	O
changed	O
from	O
International	O
Symposium	O
on	O
Information	O
Processing	O
in	O
Sensor	B-Architecture
Networks	I-Architecture
(	O
2003	O
-	O
2004	O
)	O
to	O
International	B-Device
Conference	I-Device
on	I-Device
Information	I-Device
Processing	I-Device
in	I-Device
Sensor	I-Device
Networks	I-Device
(	O
2005	O
-	O
2007	O
)	O
.	O
</s>
<s>
It	O
is	O
expected	O
that	O
IPSN	B-Device
would	O
keep	O
the	O
full	O
name	O
International	B-Device
Conference	I-Device
on	I-Device
Information	I-Device
Processing	I-Device
in	I-Device
Sensor	I-Device
Networks	I-Device
for	O
the	O
coming	O
years	O
.	O
</s>
<s>
In	O
2005	O
IPSN	B-Device
introduced	O
a	O
separate	O
track	O
on	O
Sensor	O
Platforms	O
,	O
Tools	O
and	O
Design	O
Methods	O
(	O
SPOTS	O
)	O
to	O
the	O
conference	O
.	O
</s>
<s>
The	O
focus	O
of	O
the	O
IPSN	B-Device
track	O
is	O
more	O
on	O
information	O
processing	O
algorithms	O
,	O
and	O
the	O
focus	O
of	O
SPOTS	O
track	O
is	O
on	O
platform	O
tools	O
and	O
design	O
methods	O
for	O
network	B-Architecture
embedded	I-Architecture
sensors	I-Architecture
.	O
</s>
