<s>
XMLTV	B-Language
is	O
an	O
XML	B-Protocol
based	O
file	O
format	O
for	O
describing	O
TV	O
listings	O
,	O
which	O
has	O
been	O
introduced	O
in	O
2002	O
.	O
</s>
<s>
IPTV	O
providers	O
use	O
XMLTV	B-Language
as	O
the	O
base	O
reference	O
template	O
in	O
their	O
systems	O
,	O
and	O
extend	O
it	O
internally	O
according	O
to	O
their	O
business	O
needs	O
.	O
</s>
