<s>
Token-based	B-Algorithm
replay	I-Algorithm
technique	O
is	O
a	O
conformance	B-Algorithm
checking	I-Algorithm
algorithm	O
that	O
checks	O
how	O
well	O
a	O
process	O
conforms	O
with	O
its	O
model	O
by	O
replaying	O
each	O
trace	O
on	O
the	O
model	O
(	O
in	O
Petri	B-Operating_System
net	I-Operating_System
notation	I-Operating_System
)	O
.	O
</s>
<s>
Suppose	O
there	O
is	O
a	O
process	O
model	O
in	O
Petri	B-Operating_System
net	I-Operating_System
notation	I-Operating_System
as	O
follows	O
:	O
</s>
