<s>
Gallery	B-Application
software	I-Application
is	O
software	O
that	O
helps	O
the	O
user	O
publish	O
or	O
share	O
photos	B-Algorithm
,	O
pictures	O
,	O
videos	O
or	O
other	O
digital	O
media	O
.	O
</s>
<s>
Most	O
galleries	O
are	O
located	O
on	O
Web	B-Application
servers	I-Application
,	O
where	O
users	O
are	O
allowed	O
to	O
register	O
and	O
publish	O
their	O
pictures	O
.	O
</s>
<s>
Gallery	B-Application
software	I-Application
usually	O
features	O
automatic	O
image	O
resizing	O
,	O
allows	O
digital	O
media	O
be	O
categorized	O
into	O
sets	O
,	O
and	O
allows	O
comments	O
.	O
</s>
<s>
There	O
are	O
several	O
types	O
of	O
gallery	B-Application
software	I-Application
.	O
</s>
<s>
Examples	O
are	O
open	O
source	O
galleries	O
Coppermine	B-Application
,	O
Gallery	B-Application
Project	I-Application
.	O
</s>
<s>
There	O
are	O
decentralized	O
gallery	B-Application
software	I-Application
that	O
does	O
not	O
have	O
an	O
administrator	O
for	O
managing	O
contents	O
.	O
</s>
<s>
Pinterest	B-Application
,	O
Flickr	B-Algorithm
and	O
DeviantArt	O
has	O
been	O
successful	O
with	O
this	O
model	O
.	O
</s>
<s>
Open	O
source	O
gallery	B-Application
software	I-Application
MediaGoblin	B-Application
works	O
in	O
this	O
way	O
.	O
</s>
