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Relationships
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| Instances | abstrait | 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. |
| | AirportByRunwaySurface | AirportByRunwaySurface is a subclass of AirportClassification attributes used to describe an airport according to the surface type of its longest runway. |
| | AirportClassification | AirportClassification is a class of Attributes for representing systems that categorize Airports according to some criteria. There are several such systems, including the International Civil Aviation Organization categories A to E, based on runway lengths, the Federal Aviation Administration system associated with airport functions, and the airport categorization by runway length used in the CIA World Fact Book. |
| | attribut | Qualities which we cannot or choose not to reify into subclasses of. |
| | entit� | The universal class of individuals. This is the root node of the ontology. |
| | attribut relationnel | Any Attribute that an Entity has by virtue of a relationship that it bears to another Entity or set of Entities, e.g. SocialRoles and PositionalAttributes. |
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Belongs to Class
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