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KB:
SUMO
Language:
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cb
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Formal Language:
OWL
SUO-KIF
TPTP
traditionalLogic
KB Term:
Sigma KEE - lacks
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
缺乏
(
lacks
?AGENT ?OBJECT) means that ?AGENT
needs
?OBJECT and it is not currently the case that ?AGENT
possesses
?OBJECT.
Relationships
Parents
需求
(
needs
?AGENT ?OBJECT) means that ?OBJECT is physically required for the continued existence of ?AGENT.
Instances
Abstract
Properties or qualities as distinguished from any particular embodiment of the properties/qualities in a physical medium. Instances of Abstract can be said to exist in the same sense as mathematical objects such as sets and relations, but they cannot exist at a particular place and time without some physical encoding or embodiment.
BinaryPredicate
A
Predicate
relating two items - its valence is two.
BinaryRelation
BinaryRelation
s are relations that are true only of pairs of things.
BinaryRelation
s are represented as slots in frame systems.
Entity
The universal class of individuals. This is the root node of the ontology.
可繼承的關係
The class of
Relation
s whose properties can be inherited downward in the class hierarchy via the
subrelation
Predicate
.
有意圖的關係
The
Class
of
Relation
s between an
AutonomousAgent
and one or more Entities, where the
Relation
requires that the
AutonomousAgent
have awareness of the
Entity
.
ObjectAttitude
The
Class
of
IntentionalRelation
s where the
AutonomousAgent
has awareness of an instance of
Physical
.
Predicate
A
Predicate
is a sentence-forming
Relation
. Each tuple in the
Relation
is a finite, ordered sequence of objects. The fact that a particular tuple is an element of a
Predicate
is denoted by '(*predicate* arg_1 arg_2 .. arg_n)', where the arg_i are the objects so related. In the case of
BinaryPredicate
s, the fact can be read as `arg_1 is *predicate* arg_2' or `a *predicate* of arg_1 is arg_2'.
Relation
The
Class
of relations. There are two kinds of
Relation
:
Predicate
and
Function
.
Predicate
s and
Function
s both denote sets of ordered n-tuples. The difference between these two
Class
es is that
Predicate
s cover formula-forming operators, while
Function
s cover term-forming operators.
Belongs to Class
Entity
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Sigma web home
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Sigma version 3.0 is
open source software
produced by
Articulate Software
and its partners