<s>
ALTO	B-Language
(	O
Analyzed	O
Layout	O
and	O
Text	O
Object	O
)	O
is	O
an	O
open	O
XML	B-Protocol
Schema	O
developed	O
by	O
the	O
EU-funded	O
project	O
called	O
METAe	O
.	O
</s>
<s>
The	O
standard	O
was	O
initially	O
developed	O
for	O
the	O
description	O
of	O
text	O
OCR	B-Application
and	O
layout	O
information	O
of	O
pages	O
for	O
digitized	O
material	O
.	O
</s>
<s>
ALTO	B-Language
is	O
often	O
used	O
in	O
combination	O
with	O
Metadata	B-Language
Encoding	I-Language
and	I-Language
Transmission	I-Language
Standard	I-Language
(	O
METS	B-Language
)	O
for	O
the	O
description	O
of	O
the	O
whole	O
digitized	O
object	O
and	O
creation	O
of	O
references	O
across	O
the	O
ALTO	B-Language
files	O
,	O
e.g.	O
</s>
<s>
In	O
the	O
time	O
from	O
the	O
final	O
version	O
of	O
the	O
ALTO	B-Language
standard	O
in	O
June	O
2004	O
(	O
version	O
1.0	O
)	O
ALTO	B-Language
was	O
maintained	O
by	O
CCS	O
up	O
to	O
version	O
1.4	O
.	O
</s>
<s>
An	O
ALTO	B-Language
file	O
consists	O
of	O
three	O
major	O
sections	O
as	O
children	O
of	O
the	O
root	O
element	O
:	O
</s>
<s>
section	O
contains	O
metadata	O
about	O
the	O
ALTO	B-Language
file	O
itself	O
and	O
processing	O
information	O
on	O
how	O
the	O
file	O
was	O
created	O
.	O
</s>
