With no explanation, label each line with "product-other", "O", "person-scholar", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Alberti
cipher
disk
,
also
called
formula
,
is
a
cipher
disc
which
was
described
by
Leon
Battista
Alberti
in
his
treatise
De
Cifris
of
1467
.
The:O
Alberti:product-other
cipher:product-other
disk:product-other
,:O
also:O
called:O
formula:O
,:O
is:O
a:O
cipher:O
disc:O
which:O
was:O
described:O
by:O
Leon:person-scholar
Battista:person-scholar
Alberti:person-scholar
in:O
his:O
treatise:O
De:O
Cifris:O
of:O
1467:O
.:O