<s>
The	O
Suggested	B-Language
Upper	I-Language
Merged	I-Language
Ontology	I-Language
(	O
SUMO	B-Language
)	O
is	O
an	O
upper	O
ontology	O
intended	O
as	O
a	O
foundation	O
ontology	O
for	O
a	O
variety	O
of	O
computer	O
information	O
processing	O
systems	O
.	O
</s>
<s>
SUMO	B-Language
defines	O
a	O
hierarchy	O
of	O
classes	O
and	O
related	O
rules	O
and	O
relationships	O
.	O
</s>
<s>
These	O
are	O
expressed	O
in	O
a	O
version	O
of	O
the	O
language	O
SUO-KIF	B-Language
,	O
a	O
higher-order	B-Algorithm
logic	I-Algorithm
that	O
has	O
a	O
LISP-like	O
syntax	O
,	O
as	O
well	O
as	O
the	O
family	O
of	O
languages	O
.	O
</s>
<s>
A	O
mapping	B-Algorithm
from	O
WordNet	B-General_Concept
synsets	B-General_Concept
to	O
SUMO	B-Language
has	O
been	O
defined	O
.	O
</s>
<s>
Initially	O
,	O
SUMO	B-Language
was	O
focused	O
on	O
meta-level	O
concepts	O
(	O
general	O
entities	O
that	O
do	O
not	O
belong	O
to	O
a	O
specific	O
problem	O
domain	O
)	O
,	O
and	O
thereby	O
would	O
lead	O
naturally	O
to	O
a	O
categorization	O
scheme	O
for	O
encyclopedias	O
.	O
</s>
<s>
SUMO	B-Language
is	O
organized	O
for	O
interoperability	O
of	O
automated	O
reasoning	O
engines	O
.	O
</s>
<s>
To	O
maximize	O
compatibility	O
,	O
schema	B-Application
designers	O
can	O
try	O
to	O
assure	O
that	O
their	O
naming	O
conventions	O
use	O
the	O
same	O
meanings	O
as	O
SUMO	B-Language
for	O
identical	O
words	O
(	O
for	O
example	O
,	O
"	O
agent	O
"	O
or	O
"	O
process	O
"	O
)	O
.	O
</s>
<s>
SUMO	B-Language
has	O
an	O
associated	O
open	B-License
source	I-License
Sigma	B-Application
knowledge	I-Application
engineering	I-Application
environment	I-Application
.	O
</s>
<s>
Initially	O
,	O
Sumo	B-Language
was	O
developed	O
by	O
the	O
Teknowledge	O
Corporation	O
and	O
now	O
is	O
maintained	O
by	O
.	O
</s>
<s>
SUMO	B-Language
is	O
open	B-License
source	I-License
.	O
</s>
