<s>
OpenCog	B-Application
is	O
a	O
project	O
that	O
aims	O
to	O
build	O
an	O
open	B-Application
source	I-Application
artificial	O
intelligence	O
framework	O
.	O
</s>
<s>
OpenCog	B-Application
Prime	I-Application
is	O
an	O
architecture	O
for	O
robot	O
and	O
virtual	O
embodied	O
cognition	O
that	O
defines	O
a	O
set	O
of	O
interacting	O
components	O
designed	O
to	O
give	O
rise	O
to	O
human-equivalent	O
artificial	O
general	O
intelligence	O
(	O
AGI	O
)	O
as	O
an	O
emergent	O
phenomenon	O
of	O
the	O
whole	O
system	O
.	O
</s>
<s>
OpenCog	B-Application
Prime	I-Application
's	O
design	O
is	O
primarily	O
the	O
work	O
of	O
Ben	O
Goertzel	O
while	O
the	O
OpenCog	B-Application
framework	O
is	O
intended	O
as	O
a	O
generic	O
framework	O
for	O
broad-based	O
AGI	O
research	O
.	O
</s>
<s>
Research	O
utilizing	O
OpenCog	B-Application
has	O
been	O
published	O
in	O
journals	O
and	O
presented	O
at	O
conferences	O
and	O
workshops	O
including	O
the	O
annual	O
Conference	B-Application
on	I-Application
Artificial	I-Application
General	I-Application
Intelligence	I-Application
.	O
</s>
<s>
OpenCog	B-Application
is	O
released	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-Application
Affero	I-Application
General	I-Application
Public	I-Application
License	I-Application
.	O
</s>
<s>
OpenCog	B-Application
is	O
in	O
use	O
by	O
more	O
than	O
50	O
companies	O
,	O
including	O
Huawei	O
and	O
Cisco	O
.	O
</s>
<s>
OpenCog	B-Application
was	O
originally	O
based	O
on	O
the	O
release	O
in	O
2008	O
of	O
the	O
source	O
code	O
of	O
the	O
proprietary	O
"	O
Novamente	O
Cognition	O
Engine	O
"	O
(	O
NCE	O
)	O
of	O
Novamente	O
LLC	O
.	O
</s>
<s>
Ongoing	O
development	O
of	O
OpenCog	B-Application
is	O
supported	O
by	O
Artificial	O
General	O
Intelligence	O
Research	O
Institute	O
(	O
AGIRI	O
)	O
,	O
the	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
project	O
,	O
Hanson	O
Robotics	O
,	O
SingularityNET	O
and	O
others	O
.	O
</s>
<s>
OpenCog	B-Application
consists	O
of	O
:	O
</s>
<s>
A	O
graph	B-Application
database	I-Application
,	O
dubbed	O
the	O
,	O
that	O
holds	O
"	O
atoms	O
"	O
(	O
that	O
is	O
,	O
terms	O
,	O
atomic	B-Algorithm
formulas	I-Algorithm
,	O
sentences	O
and	O
relationships	B-Architecture
)	O
together	O
with	O
their	O
"	O
values	O
"	O
(	O
valuations	O
or	O
interpretations	O
,	O
which	O
can	O
be	O
thought	O
of	O
as	O
per-atom	O
key-value	B-Data_Structure
databases	I-Data_Structure
)	O
.	O
</s>
<s>
A	O
collection	O
of	O
pre-defined	O
atoms	O
that	O
encode	O
both	O
functional	B-Language
and	O
imperative	B-Application
programming	I-Application
styles	O
.	O
</s>
<s>
These	O
include	O
the	O
lambda	B-Language
abstraction	I-Language
for	O
binding	O
free	O
variables	O
into	O
bound	O
variables	O
,	O
as	O
well	O
as	O
for	O
performing	O
beta	O
reduction	O
.	O
</s>
<s>
A	O
collection	O
of	O
pre-defined	O
atoms	O
that	O
encode	O
a	O
satisfiability	B-Application
modulo	I-Application
theories	I-Application
solver	O
,	O
built	O
in	O
as	O
a	O
part	O
of	O
a	O
generic	O
graph	O
query	O
engine	O
,	O
for	O
performing	O
graph	O
and	O
hypergraph	O
pattern	O
matching	O
(	O
isomorphic	O
subgraph	O
discovery	O
)	O
.	O
</s>
<s>
This	O
generalizes	O
the	O
idea	O
of	O
a	O
structured	B-Language
query	I-Language
language	I-Language
(	O
SQL	B-Language
)	O
to	O
the	O
domain	O
of	O
generic	O
graphical	O
queries	O
;	O
it	O
is	O
an	O
extended	O
form	O
of	O
a	O
graph	O
query	B-Language
language	I-Language
.	O
</s>
<s>
It	O
is	O
designed	O
so	O
as	O
to	O
allow	O
different	O
kinds	O
of	O
inference	O
engines	O
and	O
reasoning	B-Application
systems	I-Application
to	O
be	O
implemented	O
,	O
such	O
as	O
Bayesian	O
inference	O
or	O
fuzzy	O
logic	O
,	O
or	O
practical	O
tasks	O
,	O
such	O
as	O
constraint	B-Application
solvers	I-Application
or	O
motion	O
planners	O
.	O
</s>
<s>
An	O
implementation	O
of	O
a	O
probabilistic	O
reasoning	B-Application
engine	I-Application
based	O
on	O
probabilistic	O
logic	O
networks	O
(	O
PLN	O
)	O
.	O
</s>
<s>
A	O
probabilistic	O
genetic	B-Algorithm
program	I-Algorithm
evolver	I-Algorithm
called	O
Meta-Optimizing	O
Semantic	O
Evolutionary	O
Search	O
,	O
or	O
MOSES	O
.	O
</s>
<s>
This	O
is	O
used	O
to	O
discover	O
collections	O
of	O
short	O
Atomese	O
programs	O
that	O
accomplish	O
tasks	O
;	O
these	O
can	O
be	O
thought	O
of	O
as	O
performing	O
a	O
kind	O
of	O
decision	B-Algorithm
tree	I-Algorithm
learning	I-Algorithm
,	O
resulting	O
in	O
a	O
kind	O
of	O
decision	B-Algorithm
forest	I-Algorithm
,	O
or	O
rather	O
,	O
a	O
generalization	O
thereof	O
.	O
</s>
<s>
A	O
natural	O
language	O
input	O
system	O
consisting	O
of	O
Link	B-General_Concept
Grammar	I-General_Concept
,	O
and	O
partly	O
inspired	O
by	O
both	O
Meaning-Text	O
Theory	O
as	O
well	O
as	O
Dick	O
Hudson	O
's	O
Word	O
Grammar	O
,	O
which	O
encodes	O
semantic	O
and	O
syntactic	O
relations	O
in	O
Atomese	O
.	O
</s>
<s>
An	O
implementation	O
of	O
Psi-Theory	B-Architecture
for	O
handling	O
emotional	O
states	O
,	O
drives	O
and	O
urges	O
,	O
dubbed	O
OpenPsi	O
.	O
</s>
<s>
Many	O
contributions	O
from	O
the	O
open	B-Application
source	I-Application
community	O
have	O
been	O
made	O
since	O
OpenCog	B-Application
's	O
involvement	O
in	O
the	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
in	O
2008	O
and	O
2009	O
.	O
</s>
<s>
Currently	O
MIRI	O
no	O
longer	O
supports	O
OpenCog	B-Application
.	O
</s>
<s>
OpenCog	B-Application
has	O
received	O
funding	O
and	O
support	O
from	O
several	O
sources	O
,	O
including	O
the	O
Hong	O
Kong	O
government	O
,	O
Hong	O
Kong	O
Polytechnic	O
University	O
,	O
the	O
Jeffrey	O
Epstein	O
VI	O
Foundation	O
and	O
Hanson	O
Robotics	O
.	O
</s>
<s>
The	O
OpenCog	B-Application
project	O
is	O
currently	O
affiliated	O
with	O
SingularityNET	O
and	O
Hanson	O
Robotics	O
.	O
</s>
<s>
Similar	O
to	O
other	O
cognitive	B-Architecture
architectures	I-Architecture
,	O
the	O
main	O
purpose	O
is	O
to	O
create	O
virtual	O
humans	O
,	O
which	O
are	O
three	O
dimensional	O
avatar	B-Application
characters	O
.	O
</s>
<s>
The	O
self-description	O
of	O
the	O
OpenCog	B-Application
project	O
provides	O
additional	O
possible	O
applications	O
which	O
are	O
going	O
into	O
the	O
direction	O
of	O
natural	O
language	O
processing	O
and	O
the	O
simulation	O
of	O
a	O
dog	O
.	O
</s>
