<s>
OntoWiki	B-Protocol
was	O
a	O
free	B-License
and	I-License
open-source	I-License
semantic	O
wiki	O
application	O
,	O
meant	O
to	O
serve	O
as	O
an	O
ontology	O
editor	O
and	O
a	O
knowledge	O
acquisition	O
system	O
.	O
</s>
<s>
It	O
is	O
a	O
web-based	O
application	O
written	O
in	O
PHP	B-Application
and	O
using	O
either	O
a	O
MySQL	B-Application
database	O
or	O
a	O
Virtuoso	B-Application
triple	I-Application
store	I-Application
.	O
</s>
<s>
OntoWiki	B-Protocol
is	O
form-based	O
rather	O
than	O
syntax-based	O
,	O
and	O
thus	O
tries	O
to	O
hide	O
as	O
much	O
of	O
the	O
complexity	O
of	O
knowledge	O
representation	O
formalisms	O
from	O
users	O
as	O
possible	O
.	O
</s>
<s>
OntoWiki	B-Protocol
is	O
mainly	O
being	O
developed	O
by	O
the	O
at	O
the	O
University	O
of	O
Leipzig	O
,	O
a	O
group	O
also	O
known	O
for	O
the	O
DBpedia	B-Application
project	O
among	O
others	O
,	O
in	O
collaboration	O
with	O
volunteers	O
around	O
the	O
world	O
.	O
</s>
<s>
In	O
2009	O
the	O
AKSW	O
research	O
group	O
got	O
a	O
budget	O
of	O
€	O
425,000	O
from	O
the	O
Federal	O
Ministry	O
of	O
Education	O
and	O
Research	O
of	O
Germany	O
for	O
the	O
development	O
of	O
the	O
OntoWiki	B-Protocol
.	O
</s>
<s>
In	O
2010	O
OntoWiki	B-Protocol
became	O
part	O
of	O
the	O
technology	O
stack	O
supporting	O
the	O
LOD2	O
(	O
linked	B-Operating_System
open	I-Operating_System
data	I-Operating_System
)	O
project	O
.	O
</s>
<s>
The	O
development	O
ended	O
in	O
2016	O
due	O
to	O
the	O
lack	O
of	O
capaciaty	O
migating	O
from	O
PHP	B-Application
5	O
to	O
7	O
including	O
the	O
required	O
Zend	O
Framework	O
from	O
version	O
1	O
to	O
2	O
.	O
</s>
