<s>
Wiki	B-Protocol
software	I-Protocol
(	O
also	O
known	O
as	O
a	O
wiki	B-Protocol
engine	I-Protocol
or	O
a	O
wiki	B-Protocol
application	I-Protocol
)	O
,	O
is	O
collaborative	B-Application
software	I-Application
that	O
runs	O
a	O
wiki	B-Protocol
,	O
which	O
allows	O
the	O
users	O
to	O
create	O
and	O
collaboratively	O
edit	O
pages	O
or	O
entries	O
via	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
A	O
wiki	B-Protocol
system	O
is	O
usually	O
a	O
web	B-Application
application	I-Application
that	O
runs	O
on	O
one	O
or	O
more	O
web	B-Application
servers	I-Application
.	O
</s>
<s>
The	O
content	O
,	O
including	O
previous	O
revisions	O
,	O
is	O
usually	O
stored	O
in	O
either	O
a	O
file	B-Application
system	I-Application
or	O
a	O
database	O
.	O
</s>
<s>
Wikis	B-Protocol
are	O
a	O
type	O
of	O
web	O
content	B-Protocol
management	I-Protocol
system	I-Protocol
,	O
and	O
the	O
most	O
commonly	O
supported	O
off-the-shelf	O
software	O
that	O
web	O
hosting	O
facilities	O
offer	O
.	O
</s>
<s>
There	O
are	O
dozens	O
of	O
actively	O
maintained	O
wiki	B-Protocol
engines	I-Protocol
.	O
</s>
<s>
They	O
vary	O
in	O
the	O
platforms	B-Device
they	O
run	O
on	O
,	O
the	O
programming	O
language	O
they	O
were	O
developed	O
in	O
,	O
whether	O
they	O
are	O
open-source	B-Application
or	O
proprietary	B-Application
,	O
their	O
support	O
for	O
natural	O
language	O
characters	O
and	O
conventions	O
,	O
and	O
their	O
assumptions	O
about	O
technical	O
versus	O
social	O
control	O
of	O
editing	O
.	O
</s>
<s>
The	O
first	O
generally	O
recognized	O
"	O
wiki	B-Protocol
"	O
application	O
,	O
WikiWikiWeb	B-Language
,	O
was	O
created	O
by	O
American	O
computer	O
programmer	O
Ward	O
Cunningham	O
in	O
1994	O
and	O
launched	O
on	O
c2.com	B-Language
in	O
1995	O
.	O
</s>
<s>
"	O
WikiWikiWeb	B-Language
"	O
was	O
also	O
the	O
name	O
of	O
the	O
wiki	B-Protocol
that	O
ran	O
on	O
the	O
software	O
,	O
and	O
in	O
the	O
first	O
years	O
of	O
wikis	B-Protocol
 '	O
existence	O
there	O
was	O
no	O
great	O
distinction	O
made	O
between	O
the	O
contents	O
of	O
wikis	B-Protocol
and	O
the	O
software	O
they	O
ran	O
on	O
,	O
possibly	O
because	O
almost	O
every	O
wiki	B-Protocol
ran	O
on	O
its	O
own	O
customized	O
software	O
.	O
</s>
<s>
Wiki	B-Protocol
software	I-Protocol
originated	O
from	O
older	O
version	B-Architecture
control	I-Architecture
systems	I-Architecture
used	O
for	O
documentation	O
and	O
software	O
in	O
the	O
1980s	O
.	O
</s>
<s>
By	O
the	O
mid-1990s	O
these	O
generally	O
had	O
web	B-Application
browser	I-Application
interfaces	O
.	O
</s>
<s>
However	O
,	O
they	O
lacked	O
the	O
ability	O
to	O
easily	O
create	O
links	O
between	O
internal	O
pages	O
without	O
writing	O
HTML	B-Language
code	I-Language
.	O
</s>
<s>
For	O
WikiWikiWeb	B-Language
,	O
the	O
CamelCase	O
naming	O
convention	O
was	O
used	O
to	O
indicate	O
internal	O
links	O
,	O
without	O
requiring	O
HTML	B-Language
code	I-Language
.	O
</s>
<s>
By	O
the	O
time	O
MediaWiki	B-Application
appeared	O
,	O
this	O
convention	O
had	O
been	O
largely	O
abandoned	O
in	O
favor	O
of	O
explicitly	O
marking	O
links	O
in	O
edited	O
source	O
code	O
with	O
double	O
square	O
brackets	O
.	O
</s>
<s>
This	O
proved	O
to	O
be	O
the	O
critical	O
change	O
that	O
allowed	O
ordinary	O
authors	O
of	O
English	O
to	O
write	O
wiki	B-Protocol
pages	O
,	O
and	O
non-technical	O
users	O
to	O
read	O
them	O
.	O
</s>
<s>
Over	O
the	O
next	O
10	O
years	O
,	O
many	O
more	O
wiki	B-Protocol
applications	I-Protocol
were	O
written	O
,	O
in	O
a	O
variety	O
of	O
programming	O
languages	O
.	O
</s>
<s>
After	O
2005	O
,	O
there	O
began	O
to	O
be	O
a	O
move	O
toward	O
increasing	O
consolidation	O
and	O
standardization	O
:	O
many	O
less-popular	O
wiki	B-Protocol
applications	I-Protocol
were	O
gradually	O
abandoned	O
,	O
and	O
fewer	O
new	O
applications	O
were	O
created	O
.	O
</s>
<s>
Relatively	O
few	O
of	O
the	O
wiki	B-Protocol
engines	I-Protocol
currently	O
in	O
use	O
were	O
created	O
after	O
2006	O
.	O
</s>
<s>
Some	O
content	B-Protocol
management	I-Protocol
systems	I-Protocol
,	O
such	O
as	O
Microsoft	B-Protocol
SharePoint	I-Protocol
,	O
have	O
also	O
adopted	O
wiki-like	O
functionality	O
.	O
</s>
<s>
In	O
general	O
new	O
wiki	B-Protocol
engines	I-Protocol
have	O
not	O
followed	O
the	O
data	O
formats	O
(	O
wiki	B-Protocol
markup	O
languages	O
)	O
of	O
the	O
existing	O
engines	O
,	O
making	O
them	O
of	O
limited	O
use	O
for	O
those	O
who	O
have	O
already	O
invested	O
in	O
large	O
knowledge	O
bases	O
in	O
existing	O
software	O
.	O
</s>
<s>
As	O
a	O
rule	O
newer	O
wiki	B-Protocol
projects	O
have	O
not	O
succeeded	O
in	O
attracting	O
large	O
numbers	O
of	O
users	O
from	O
the	O
existing	O
wiki	B-Protocol
software	I-Protocol
base	O
.	O
</s>
<s>
The	O
most	O
well-known	O
data	O
format	O
arguably	O
is	O
MediaWiki	B-Application
's	O
,	O
and	O
correspondingly	O
has	O
been	O
reimplemented	O
in	O
other	O
wikis	B-Protocol
:	O
</s>
<s>
WordPress	B-Application
has	O
extensions	O
to	O
display	O
and	O
edit	O
MediaWiki-format	O
pages	O
,	O
and	O
to	O
frame	O
MediaWiki	B-Application
.	O
</s>
<s>
Jamwiki	O
is	O
a	O
MediaWiki	B-Application
clone	O
in	O
Java	B-Language
,	O
that	O
supports	O
MediaWiki-format	O
pages	O
but	O
not	O
extensions	O
.	O
</s>
<s>
Other	O
commercial	O
projects	O
or	O
clones	O
often	O
(	O
or	O
have	O
in	O
the	O
past	O
)	O
follow	O
the	O
MediaWiki	B-Application
format	O
.	O
</s>
<s>
BlueSpice	B-Protocol
MediaWiki	I-Protocol
is	O
the	O
only	O
such	O
software	O
with	O
a	O
free	O
version	O
available	O
.	O
</s>
<s>
None	O
of	O
these	O
alternatives	O
support	O
the	O
extensions	O
available	O
under	O
standard	O
MediaWiki	B-Application
,	O
some	O
of	O
which	O
extend	O
or	O
alter	O
its	O
data	O
format	O
.	O
</s>
<s>
In	O
2007	O
a	O
project	O
named	O
(	O
Wiki	B-Protocol
)	O
Creole	O
to	O
create	O
a	O
standardized	O
markup	O
language	O
for	O
wikis	B-Protocol
was	O
completed	O
.	O
</s>
<s>
There	O
are	O
essentially	O
three	O
types	O
of	O
usage	O
for	O
wiki	B-Protocol
software	I-Protocol
:	O
public-facing	O
wikis	B-Protocol
with	O
a	O
potentially	O
large	O
community	O
of	O
readers	O
and	O
editors	O
,	O
private	O
enterprise	B-Application
wikis	B-Protocol
for	O
data	B-General_Concept
management	I-General_Concept
by	O
corporations	O
and	O
other	O
organizations	O
,	O
and	O
personal	B-Protocol
wikis	I-Protocol
,	O
meant	O
to	O
be	O
used	O
by	O
a	O
single	O
person	O
to	O
manage	O
notes	O
,	O
and	O
usually	O
run	O
on	O
a	O
desktop	B-Device
.	O
</s>
<s>
Some	O
wiki	B-Protocol
software	I-Protocol
is	O
specifically	O
geared	O
for	O
one	O
of	O
the	O
usage	O
types	O
,	O
while	O
other	O
software	O
can	O
be	O
used	O
for	O
all	O
three	O
,	O
but	O
contains	O
functionality	O
,	O
either	O
in	O
its	O
core	O
or	O
through	O
plugins	B-Application
,	O
that	O
help	O
with	O
one	O
or	O
more	O
of	O
the	O
usage	O
types	O
.	O
</s>
<s>
Public	O
wikis	B-Protocol
are	O
usually	O
open	O
to	O
the	O
public	O
to	O
read	O
,	O
edit	O
and	O
comment	O
on	O
some	O
or	O
all	O
of	O
the	O
article	O
space	O
of	O
each	O
wiki	B-Protocol
.	O
</s>
<s>
Many	O
offer	O
registration	O
to	O
offer	O
further	O
access	O
and	O
controls	O
to	O
each	O
user	O
and	O
a	O
few	O
have	O
,	O
in-part	O
commercialised	O
aspects	O
or	O
further	O
access	O
,	O
such	O
as	O
the	O
popular	O
wiki	B-Protocol
farm	O
,	O
Fandom	O
.	O
</s>
<s>
MediaWiki	B-Application
is	O
by	O
far	O
the	O
most	O
dominant	O
software	O
as	O
it	O
powers	O
Wikipedia	O
,	O
consistently	O
and	O
by	O
a	O
large	O
margin	O
,	O
the	O
most	O
visited	O
public	O
wiki	B-Protocol
,	O
it	O
also	O
powers	O
many	O
other	O
public	O
wikis	B-Protocol
as	O
well	O
.	O
</s>
<s>
Other	O
wiki	B-Protocol
engines	I-Protocol
used	O
regularly	O
for	O
public	O
wikis	B-Protocol
include	O
MoinMoin	B-Application
and	O
PmWiki	B-Language
,	O
along	B-Protocol
with	I-Protocol
many	I-Protocol
others	I-Protocol
.	O
</s>
<s>
Other	O
Internet	O
websites	O
,	O
based	O
on	O
wiki	B-Protocol
software	I-Protocol
,	O
include	O
encyclopedias	O
such	O
as	O
Sensei	O
's	O
Library	O
,	O
Parlia	O
,	O
and	O
WikiTree	O
.	O
</s>
<s>
Enterprise	B-Application
wiki	B-Protocol
software	I-Protocol
is	O
software	O
intended	O
to	O
be	O
used	O
in	O
a	O
corporate	O
(	O
or	O
organizational	O
)	O
context	O
,	O
especially	O
to	O
enhance	O
internal	O
knowledge	O
sharing	O
.	O
</s>
<s>
Most	O
proprietary	B-Application
wiki	B-Protocol
applications	I-Protocol
specifically	O
market	O
themselves	O
as	O
enterprise	B-Application
solutions	O
,	O
including	O
Socialtext	O
,	O
Jive	B-Protocol
,	O
Traction	B-Protocol
TeamPage	I-Protocol
,	O
Notion	B-Protocol
,	O
and	O
Nuclino	B-Protocol
.	O
</s>
<s>
Increasingly	O
offerings	O
appear	O
which	O
use	O
the	O
name	O
'	O
wiki	B-Protocol
 '	O
but	O
do	O
not	O
offer	O
basic	O
elements	O
common	O
to	O
established	O
wikis	B-Protocol
,	O
like	O
Wiki	B-Protocol
Markup	O
and	O
Link-first	O
workflow	O
as	O
in	O
Confluence	B-Protocol
(	O
since	O
2018	O
)	O
,	O
or	O
Version	B-Architecture
Control	I-Architecture
of	O
Full	B-Application
Text	I-Application
Search	I-Application
Microsoft	B-Application
Teams	I-Application
.	O
</s>
<s>
In	O
addition	O
,	O
some	O
open	O
source	O
wiki	B-Protocol
applications	I-Protocol
also	O
describe	O
themselves	O
as	O
enterprise	B-Application
solutions	O
,	O
including	O
XWiki	B-Application
,	O
Foswiki	B-Language
,	O
TWiki	B-Language
,	O
and	O
BlueSpice	B-Protocol
.	O
</s>
<s>
Some	O
open-source	B-Application
wiki	B-Protocol
applications	I-Protocol
,	O
though	O
they	O
do	O
not	O
specifically	O
bill	O
themselves	O
as	O
enterprise	B-Application
solutions	O
,	O
have	O
marketing	O
materials	O
geared	O
for	O
enterprise	B-Application
users	O
,	O
like	O
Tiki	B-Protocol
Wiki	I-Protocol
CMS	I-Protocol
Groupware	I-Protocol
and	O
MediaWiki	B-Application
.	O
</s>
<s>
Many	O
other	O
wiki	B-Protocol
applications	I-Protocol
have	O
also	O
been	O
used	O
within	O
enterprises	O
.	O
</s>
<s>
Among	O
the	O
many	O
companies	O
and	O
government	O
organizations	O
that	O
use	O
wikis	B-Protocol
internally	O
are	O
Adobe	O
Systems	O
,	O
Amazon.com,	O
Intel	O
,	O
Microsoft	O
,	O
and	O
the	O
United	O
States	O
intelligence	O
community	O
.	O
</s>
<s>
Within	O
organizations	O
,	O
wikis	B-Protocol
may	O
either	O
add	O
to	O
or	O
replace	O
centrally	O
managed	O
content	B-Protocol
management	I-Protocol
systems	I-Protocol
.	O
</s>
<s>
Wikis	B-Protocol
can	O
also	O
be	O
used	O
for	O
document	O
management	O
,	O
project	O
management	O
,	O
customer	O
relationship	O
management	O
,	O
enterprise	B-Application
resource	O
planning	O
,	O
and	O
many	O
other	O
kinds	O
of	O
data	B-General_Concept
management	I-General_Concept
.	O
</s>
<s>
Features	O
of	O
wikis	B-Protocol
which	O
can	O
serve	O
an	O
enterprise	B-Application
include	O
:	O
</s>
<s>
Entering	O
information	O
into	O
quick	O
and	O
easy-to-create	O
pages	O
,	O
including	O
hyperlinks	O
to	O
other	O
corporate	O
information	O
systems	O
like	O
people	O
directories	O
,	O
CMS	B-Protocol
,	O
applications	O
,	O
and	O
thus	O
to	O
facilitate	O
the	O
buildup	O
of	O
useful	O
knowledge	O
bases	O
.	O
</s>
<s>
Wikis	B-Protocol
allow	O
all	O
relevant	O
information	O
to	O
be	O
shared	O
by	O
people	O
working	O
on	O
a	O
given	O
project	O
.	O
</s>
<s>
Conversely	O
,	O
only	O
the	O
wiki	B-Protocol
users	O
interested	O
in	O
a	O
given	O
project	O
need	O
look	O
at	O
its	O
associated	O
wiki	B-Protocol
pages	O
,	O
in	O
contrast	O
to	O
high-traffic	O
mailing	O
lists	O
which	O
may	O
burden	O
subscribers	O
with	O
many	O
messages	O
,	O
regardless	O
of	O
their	O
relevance	O
.	O
</s>
<s>
Wikis	B-Protocol
help	O
users	O
structure	O
information	O
into	O
discoverable	O
and	O
searchable	O
categories	O
.	O
</s>
<s>
Wikis	B-Protocol
allow	O
structuring	O
the	O
expression	O
of	O
views	O
,	O
on	O
a	O
topic	O
being	O
considered	O
by	O
authors	O
,	O
on	O
the	O
same	O
page	O
.	O
</s>
<s>
Software	O
that	O
is	O
specifically	O
designed	O
for	O
running	O
personal	B-Protocol
wikis	I-Protocol
includes	O
Tomboy	B-Language
,	O
PmWiki	B-Language
,	O
and	O
ConnectedText	B-Protocol
(	O
now	O
discontinued	O
)	O
.	O
</s>
<s>
Other	O
,	O
more	O
general	O
,	O
wiki	B-Protocol
applications	I-Protocol
have	O
components	O
geared	O
for	O
individual	O
users	O
,	O
including	O
MoinMoin	B-Application
(	O
which	O
offers	O
a	O
"	O
DesktopEdition	O
"	O
)	O
,	O
and	O
TiddlyWiki	B-Language
.	O
</s>
<s>
Most	O
wiki	B-Protocol
software	I-Protocol
uses	O
a	O
special	O
syntax	O
,	O
known	O
as	O
wiki	B-Protocol
markup	O
,	O
for	O
users	O
to	O
format	O
the	O
text	O
,	O
instead	O
of	O
requiring	O
them	O
to	O
enter	O
in	O
HTML	B-Language
.	O
</s>
<s>
Some	O
wiki	B-Protocol
applications	I-Protocol
also	O
include	O
a	O
WYSIWYG	B-Application
editor	I-Application
,	O
either	O
instead	O
of	O
or	O
in	O
addition	O
to	O
the	O
wiki	B-Protocol
markup	O
editing	O
.	O
</s>
<s>
Based	O
on	O
the	O
atomic	B-General_Concept
property	O
of	O
database	O
systems	O
,	O
any	O
edit	O
should	O
be	O
traced	O
.	O
</s>
<s>
On	O
wiki	B-Protocol
software	I-Protocol
,	O
the	O
chronology	B-Application
of	O
edits	O
(	O
e.g.	O
</s>
<s>
published	O
by	O
Internet	O
users	O
)	O
in	O
any	O
given	O
article	O
may	O
be	O
locally	B-General_Concept
saved	I-General_Concept
with	O
a	O
common	O
.xml	B-Protocol
file	O
extension	O
by	O
people	O
having	O
administrator	B-Application
rights	I-Application
.	O
</s>
<s>
There	O
are	O
a	O
variety	O
of	O
wiki	B-Protocol
hosting	O
services	O
,	O
otherwise	O
known	O
as	O
wiki	B-Protocol
farms	O
,	O
that	O
host	O
users	O
 '	O
wikis	B-Protocol
on	O
a	O
server	O
.	O
</s>
<s>
Some	O
wiki	B-Protocol
software	I-Protocol
is	O
only	O
available	O
in	O
hosted	O
form	O
:	O
PBworks	O
,	O
Wetpaint	O
and	O
Wikispaces	O
are	O
all	O
examples	O
of	O
wiki	B-Protocol
hosting	O
services	O
that	O
run	O
on	O
code	O
that	O
is	O
only	O
available	O
on	O
those	O
sites	O
.	O
</s>
<s>
Other	O
wiki	B-Protocol
software	I-Protocol
is	O
available	O
in	O
both	O
hosted	O
and	O
downloadable	O
form	O
,	O
including	O
Confluence	B-Protocol
,	O
Socialtext	O
,	O
MediaWiki	B-Application
and	O
XWiki	B-Application
.	O
</s>
<s>
Wiki	B-Protocol
software	I-Protocol
can	O
include	O
features	O
that	O
come	O
with	O
traditional	O
content	B-Protocol
management	I-Protocol
systems	I-Protocol
,	O
such	O
as	O
calendars	O
,	O
to-do	O
lists	O
,	O
blogs	O
and	O
discussion	O
forums	O
.	O
</s>
<s>
All	O
of	O
these	O
can	O
either	O
be	O
stored	O
via	O
versioned	O
wiki	B-Protocol
pages	O
,	O
or	O
simply	O
be	O
a	O
separate	O
piece	O
of	O
functionality	O
.	O
</s>
<s>
Software	O
that	O
supports	O
blogs	O
with	O
wiki-style	O
editing	O
and	O
versioning	O
is	O
sometimes	O
known	O
as	O
"	O
bliki	B-Protocol
"	O
software	O
.	O
</s>
<s>
Tiki	B-Protocol
Wiki	I-Protocol
CMS	I-Protocol
Groupware	I-Protocol
is	O
an	O
example	O
of	O
wiki	B-Protocol
software	I-Protocol
that	O
is	O
designed	O
to	O
support	O
such	O
features	O
at	O
its	O
core	O
.	O
</s>
<s>
Many	O
of	O
the	O
enterprise	B-Application
wiki	B-Protocol
applications	I-Protocol
,	O
such	O
as	O
TWiki	B-Language
,	O
Confluence	B-Protocol
and	O
SharePoint	B-Protocol
,	O
also	O
support	O
such	O
features	O
,	O
as	O
do	O
open-source	B-Application
applications	I-Application
like	O
MediaWiki	B-Application
and	O
XWiki	B-Application
,	O
via	O
plugins	B-Application
.	O
</s>
<s>
Some	O
wiki	B-Protocol
applications	I-Protocol
let	O
users	O
embed	O
scripting-style	O
calls	O
into	O
wiki	B-Protocol
pages	O
,	O
which	O
are	O
processed	O
by	O
the	O
wiki	B-Protocol
's	O
parser	O
and	O
run	O
either	O
when	O
the	O
page	O
is	O
saved	O
or	O
when	O
it	O
is	O
displayed	O
.	O
</s>
<s>
XWiki	B-Application
and	O
MediaWiki	B-Application
are	O
examples	O
of	O
such	O
applications	O
.	O
</s>
<s>
Specifically	O
XWiki	B-Application
offers	O
support	O
for	O
the	O
following	O
scripting	B-Language
languages	I-Language
:	O
Groovy	B-Application
,	O
Velocity	B-Language
,	O
Ruby	B-Language
,	O
Python	B-Language
,	O
PHP	B-Application
or	O
more	O
generally	O
any	O
JSR223	B-Language
scripting	B-Language
language	I-Language
.	O
</s>
<s>
Wiki	B-Protocol
software	I-Protocol
can	O
let	O
users	O
store	O
data	O
via	O
the	O
wiki	B-Protocol
,	O
in	O
a	O
way	O
that	O
can	O
be	O
exported	O
via	O
the	O
Semantic	O
Web	O
,	O
or	O
queried	O
internally	O
within	O
the	O
wiki	B-Protocol
.	O
</s>
<s>
A	O
wiki	B-Protocol
that	O
allows	O
such	O
annotation	O
is	O
known	O
as	O
a	O
semantic	O
wiki	B-Protocol
.	O
</s>
<s>
The	O
current	O
best-known	O
semantic	O
wiki	B-Protocol
software	I-Protocol
is	O
Semantic	B-Protocol
MediaWiki	I-Protocol
,	O
a	O
plugin	B-Application
to	O
MediaWiki	B-Application
.	O
</s>
<s>
Some	O
wiki	B-Protocol
software	I-Protocol
have	O
special	O
handling	O
for	O
accessing	O
by	O
mobile	O
devices	O
,	O
such	O
as	O
mobile	O
phones	O
.	O
</s>
<s>
This	O
is	O
usually	O
done	O
by	O
displaying	O
conservative	O
HTML	B-Language
coding	I-Language
.	O
</s>
<s>
Various	O
approaches	O
to	O
providing	O
wiki	B-Protocol
functionality	O
when	O
the	O
user	O
is	O
not	O
online	O
have	O
been	O
tried	O
.	O
</s>
<s>
For	O
users	O
who	O
need	O
to	O
simply	O
read	O
the	O
wiki	B-Protocol
's	O
content	O
when	O
offline	O
,	O
a	O
copy	O
of	O
the	O
content	O
can	O
often	O
be	O
made	O
easily	O
;	O
in	O
the	O
case	O
of	O
Wikipedia	O
,	O
CD-ROMs	B-Device
and	O
printed	O
versions	O
have	O
been	O
made	O
of	O
parts	O
of	O
Wikipedia	O
's	O
content	O
.	O
</s>
<s>
One	O
approach	O
to	O
doing	O
this	O
is	O
using	O
a	O
distributed	B-Protocol
revision	I-Protocol
control	I-Protocol
system	I-Protocol
as	O
a	O
backend	B-Architecture
of	O
the	O
wiki	B-Protocol
,	O
in	O
peer-to-peer	O
style	O
.	O
</s>
<s>
With	O
this	O
approach	O
,	O
there	O
is	O
no	O
central	O
store	O
of	O
the	O
wiki	B-Protocol
's	O
content	O
;	O
instead	O
,	O
every	O
user	O
keeps	O
a	O
complete	O
copy	O
of	O
the	O
wiki	B-Protocol
locally	O
,	O
and	O
the	O
software	O
handles	O
merging	O
and	O
propagating	O
of	O
changes	O
when	O
they	O
are	O
made	O
.	O
</s>
<s>
This	O
is	O
the	O
approach	O
taken	O
by	O
the	O
ikiwiki	B-Protocol
engine	O
(	O
which	O
can	O
use	O
the	O
distributed	B-Protocol
revision	I-Protocol
control	I-Protocol
system	I-Protocol
Git	B-Application
as	O
its	O
back-end	B-Architecture
)	O
,	O
and	O
Code	B-Protocol
Co-op	I-Protocol
(	O
a	O
distributed	B-Protocol
revision	I-Protocol
control	I-Protocol
system	I-Protocol
that	O
includes	O
a	O
wiki	B-Protocol
component	O
)	O
.	O
</s>
<s>
Wiki	B-Protocol
software	I-Protocol
can	O
be	O
distributed	O
.	O
</s>
<s>
XWiki	B-Application
is	O
able	O
to	O
function	O
in	O
this	O
way	O
.	O
</s>
<s>
Smallest	O
Federated	O
Wiki	B-Protocol
promotes	O
a	O
federation	O
of	O
wiki	B-Protocol
servers	O
,	O
</s>
<s>
There	O
has	O
also	O
been	O
research	O
done	O
on	O
allowing	O
Wikipedia	O
to	O
be	O
run	O
as	O
a	O
decentralized	O
wiki	B-Protocol
.	O
</s>
