<s>
Knowledge	O
collection	O
from	O
volunteer	O
vontributors	O
(	O
KCVC	B-General_Concept
)	O
is	O
a	O
subfield	O
of	O
knowledge	O
acquisition	O
within	O
artificial	B-Application
intelligence	I-Application
which	O
attempts	O
to	O
drive	O
down	O
the	O
cost	O
of	O
acquiring	O
the	O
knowledge	O
required	O
to	O
support	O
automated	O
reasoning	O
by	O
having	O
the	O
public	O
enter	O
knowledge	O
in	O
computer	O
processable	O
form	O
over	O
the	O
internet	O
.	O
</s>
<s>
KCVC	B-General_Concept
might	O
be	O
regarded	O
as	O
similar	O
in	O
spirit	O
to	O
Wikipedia	O
,	O
although	O
the	O
intended	O
audience	O
,	O
artificial	B-Application
Intelligence	I-Application
systems	O
,	O
differs	O
.	O
</s>
<s>
The	O
2005	O
AAAI	O
Spring	O
Symposium	O
on	O
Knowledge	B-General_Concept
Collection	I-General_Concept
from	I-General_Concept
Volunteer	I-General_Concept
Contributors	I-General_Concept
(	O
KCVC05	O
)	O
may	O
have	O
been	O
the	O
first	O
research	O
meeting	O
on	O
this	O
topic	O
.	O
</s>
<s>
The	O
first	O
large-scale	O
KCVC	B-General_Concept
project	O
was	O
probably	O
the	O
Open	O
Mind	O
Common	O
Sense	O
(	O
OMCS	O
)	O
project	O
,	O
initiated	O
by	O
Push	O
Singh	O
and	O
Marvin	O
Minsky	O
at	O
the	O
MIT	O
Media	O
Lab	O
.	O
</s>
<s>
In	O
late	O
2005	O
,	O
Cycorp	B-Language
released	O
a	O
KCVC	B-General_Concept
system	O
called	O
FACTory	O
that	O
attempts	O
to	O
acquire	O
knowledge	O
in	O
a	O
form	O
directly	O
usable	O
for	O
automated	O
reasoning	O
.	O
</s>
<s>
It	O
automatically	O
generates	O
questions	O
in	O
English	O
from	O
an	O
underlying	O
predicate	B-Application
calculus	I-Application
representation	O
of	O
candidate	O
assertions	O
produced	O
by	O
automated	O
reading	O
of	O
web	O
pages	O
,	O
by	O
reviewing	O
information	O
previously	O
entered	O
directly	O
in	O
logical	O
form	O
,	O
and	O
by	O
analogy	O
and	O
abduction	O
.	O
</s>
