<s>
A	O
mixed	B-General_Concept
criticality	I-General_Concept
system	O
is	O
a	O
system	O
containing	O
computer	O
hardware	O
and	O
software	O
that	O
can	O
execute	O
several	O
applications	O
of	O
different	O
criticality	O
,	O
such	O
as	O
safety-critical	O
and	O
non-safety	O
critical	O
,	O
or	O
of	O
different	O
Safety	O
Integrity	O
Level	O
(	O
SIL	O
)	O
.	O
</s>
<s>
Some	O
issues	O
to	O
address	O
in	O
mixed	B-General_Concept
criticality	I-General_Concept
systems	O
include	O
real-time	B-General_Concept
behaviour	I-General_Concept
,	O
memory	O
isolation	O
,	O
data	O
and	O
control	O
coupling	O
.	O
</s>
<s>
Computer	O
scientists	O
have	O
developed	O
techniques	O
for	O
handling	O
systems	O
which	O
thus	O
have	O
mixed	B-General_Concept
criticality	I-General_Concept
,	O
but	O
there	O
are	O
many	O
challenges	O
remaining	O
especially	O
for	O
multi-core	O
hardware	O
.	O
</s>
<s>
EU	O
funded	O
research	O
projects	O
on	O
mixed	B-General_Concept
criticality	I-General_Concept
include	O
:	O
</s>
<s>
UK	O
EPSRC	O
funded	O
research	O
projects	O
on	O
mixed	B-General_Concept
criticality	I-General_Concept
include	O
:	O
</s>
<s>
Workshops	O
and	O
seminars	O
on	O
Mixed	B-General_Concept
Criticality	I-General_Concept
Systems	O
include	O
:	O
</s>
