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Relationships
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connected in social network |
This refers to a connection made between two distinct people who have SocialNetworkingAccounts on the same SocialNetworkingSite. Some examples would be facebookFriends, classmates, colleagues, and followers. Note that connections can be symmetrical (e.g. facebookFriend or asymmetrical (e.g. follower). Therefore, this is neither a SymmetricRelation nor an AntisymmetricRelation.
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| 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. |
| | binary predicate | A Predicate relating two items - its valence is two. |
| | binary relation | BinaryRelations are relations that are true only of pairs of things. BinaryRelations are represented as slots in frame systems. |
| | entity | The universal class of individuals. This is the root node of the ontology. |
| | inheritable relation | The class of Relations whose properties can be inherited downward in the class hierarchy via the subrelation Predicate. |
| | intentional relation | The Class of Relations between an AutonomousAgent and one or more Entities, where the Relation requires that the AutonomousAgent have awareness of the Entity. |
| | irreflexive relation | Relation ?REL is irreflexive iff (?REL ?INST ?INST) holds for no value of ?INST. |
| | 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 BinaryPredicates, 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. Predicates and Functions both denote sets of ordered n-tuples. The difference between these two Classes is that Predicates cover formula-forming operators, while Functions cover term-forming operators. |
| | symmetric relation | A BinaryRelation ?REL is symmetric just iff (?REL ?INST1 ?INST2) imples (?REL ?INST2 ?INST1), for all ?INST1 and ?INST2. |
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Belongs to Class
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abstract |
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