With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Geotagging
can
reveal
the
footprints
and
behaviors
of
travelers
by
utilizing
spatial
proximity
of
geo-tagged
photos
that
are
shared
online
,
making
it
possible
to
extract
travel
information
relating
to
a
particular
location
.
Geotagging:O
can:O
reveal:O
the:O
footprints:O
and:O
behaviors:O
of:O
travelers:O
by:O
utilizing:O
spatial:O
proximity:O
of:O
geo-tagged:O
photos:O
that:O
are:O
shared:O
online:O
,:O
making:O
it:O
possible:O
to:O
extract:O
travel:O
information:O
relating:O
to:O
a:O
particular:O
location:O
.:O