<s>
According	O
to	O
Wieser	O
,	O
a	O
program	O
slice	O
is	O
a	O
reduced	O
,	O
executable	B-Application
program	I-Application
that	O
can	O
be	O
obtained	O
from	O
a	O
program	O
P	O
based	O
on	O
the	O
variables	O
of	O
interest	O
and	O
line	B-Application
number	I-Application
by	O
removing	O
statements	O
such	O
that	O
program	O
slicing	O
replicates	O
part	O
of	O
the	O
behavior	O
of	O
the	O
program	O
.	O
</s>
<s>
The	O
term	O
was	O
later	O
adapted	O
to	O
the	O
context	O
of	O
Petri	O
nets	O
and	O
for	O
other	O
classes	O
of	O
Petri	O
nets	O
such	O
as	O
Algebraic	B-Language
Petri	I-Language
nets	I-Language
.	O
</s>
