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Sigma KEE - Physical
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
Physical
An entity that has a location in space-time. Note that locations are themselves understood to have a location in space-time.
Relationships      
Parents Entity The universal class of individuals. This is the root node of the ontology.
Children ContentBearingPhysicalAny Object or Process that expresses content. This covers Objects that contain a Proposition, such as a book, as well as ManualSignLanguage, which may similarly contain a Proposition.
 FinancialAssetAny item of economic value owned by an individual or corporation, especially that which could be converted to cash. Examples are cash, securities, accounts receivable, inventory, office equipment, a house, a car, and other property.
 ObjectCorresponds roughly to the class of ordinary objects. Examples include normal physical objects, geographical regions, and locations of Processes, the complement of Objects in the Physical class. In a 4D ontology, an Object is something whose spatiotemporal extent is thought of as dividing into spatial parts roughly parallel to the time-axis.
 PhysicalSystemPhysicalSystem is the class of complex Physical things. A PhysicalSystem may have one or more corresponding abstract Graph representations.
 ProcessThe class of things that happen and have temporal parts or stages. Examples include extended events like a football match or a race, actions like Pursuing and Reading, and biological processes. The formal definition is: anything that occurs in time but is not an Object. Note that a Process may have participants 'inside' it which are Objects, such as the players in a football match. In a 4D ontology, a Process is something whose spatiotemporal extent is thought of as dividing into temporal stages roughly perpendicular to the time-axis.


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