<s>
In	O
machine	O
learning	O
,	O
systems	O
which	O
employ	O
offline	B-General_Concept
learning	I-General_Concept
do	O
not	O
change	O
their	O
approximation	O
of	O
the	O
target	O
function	O
when	O
the	O
initial	O
training	O
phase	O
has	O
been	O
completed	O
.	O
</s>
<s>
These	O
systems	O
are	O
also	O
typically	O
examples	O
of	O
eager	B-General_Concept
learning	I-General_Concept
.	O
</s>
<s>
While	O
in	O
online	B-Algorithm
learning	I-Algorithm
,	O
only	O
the	O
set	O
of	O
possible	O
elements	O
is	O
known	O
,	O
in	O
offline	B-General_Concept
learning	I-General_Concept
,	O
the	O
identity	O
of	O
the	O
elements	O
as	O
well	O
as	O
the	O
order	O
in	O
which	O
they	O
are	O
presented	O
is	O
known	O
to	O
the	O
learner	O
.	O
</s>
<s>
One	O
option	O
for	O
doing	O
so	O
is	O
programming	B-Application
by	I-Application
demonstration	I-Application
.	O
</s>
<s>
Offline	B-General_Concept
learning	I-General_Concept
is	O
working	O
in	O
batch	B-General_Concept
mode	I-General_Concept
.	O
</s>
<s>
The	O
process	O
is	O
called	O
offline	O
,	O
because	O
the	O
robot	O
control	O
software	O
is	O
doing	O
nothing	O
but	O
the	O
device	O
is	O
utilized	O
by	O
the	O
human	O
operator	O
as	O
a	O
pointing	B-Device
device	I-Device
for	O
driving	O
along	O
the	O
wall	O
.	O
</s>
