<s>
The	O
European	B-Device
Conference	I-Device
on	I-Device
Wireless	I-Device
Sensor	I-Device
Networks	I-Device
(	O
EWSN	B-Device
)	O
is	O
an	O
annual	O
academic	O
conference	O
on	O
wireless	B-Architecture
sensor	I-Architecture
networks	I-Architecture
.	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
EWSN	B-Device
is	O
widely	O
regarded	O
as	O
the	O
top	O
European	O
event	O
in	O
sensor	B-Architecture
networks	I-Architecture
.	O
</s>
<s>
EWSN	B-Device
started	O
in	O
year	O
2004	O
:	O
</s>
<s>
EWSN	B-Device
started	O
in	O
year	O
2004	O
and	O
the	O
prime	O
motivation	O
behind	O
EWSN	B-Device
was	O
to	O
provide	O
the	O
European	O
researchers	O
working	O
in	O
sensor	B-Architecture
networks	I-Architecture
a	O
venue	O
to	O
disseminate	O
their	O
research	O
results	O
.	O
</s>
<s>
However	O
,	O
over	O
the	O
years	O
EWSN	B-Device
has	O
grown	O
into	O
a	O
truly	O
International	O
event	O
with	O
participants	O
and	O
authors	O
coming	O
from	O
all	O
over	O
the	O
world	O
.	O
</s>
<s>
EWSN	B-Device
)	O
remains	O
the	O
same	O
.	O
</s>
<s>
Therefore	O
,	O
when	O
giving	O
a	O
reference	O
to	O
EWSN	B-Device
2004	O
to	O
2006	O
use	O
European	O
Workshop	O
on	O
Wireless	B-Architecture
Sensor	I-Architecture
Networks	I-Architecture
,	O
and	O
when	O
giving	O
a	O
reference	O
to	O
EWSN	B-Device
2007	O
onwards	O
use	O
European	B-Device
Conference	I-Device
on	I-Device
Wireless	I-Device
Sensor	I-Device
Networks	I-Device
.	O
</s>
