Relationships
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Instances | Autonomous agent | Something or someone that can act on its own and produce changes in the world. |
| entity | The universal class of individuals. This is the root node of the ontology. |
| european nation | The class of nations that are in Europe. |
| geographic area | A geographic location, generally having definite boundaries. Note that this differs from its immediate superclass Region in that a GeographicArea is a three-dimensional Region of the earth. Accordingly, all astronomical objects other than earth and all one-dimensional and two-dimensional Regions are not classed under GeographicArea. |
| geopolitical area | Any GeographicArea which is associated with some sort of political structure. This class includes LandArea, Cities, districts of cities, counties, etc. Note that the identity of a GeopoliticalArea may remain constant after a change in borders. |
| land area | An area which is predominantly solid ground, e.g. a Nation, a mountain, a desert, etc. Note that a LandArea may contain some relatively small WaterAreas. For example, Australia is a LandArea even though it contains various rivers and lakes. |
| nation | The broadest GeopoliticalArea, i.e. Nations are GeopoliticalAreas that are not part of any other overarching and comprehensive governance structure (excepting commonwealths and other sorts of loose international organizations). |
| object | Corresponds 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. |
| physical | An entity that has a location in space-time. Note that locations are themselves understood to have a location in space-time. |
| region | A topographic location. Regions encompass surfaces of Objects, imaginary places, and GeographicAreas. Note that a Region is the only kind of Object which can be located at itself. Note too that Region is not a subclass of SelfConnectedObject, because some Regions, e.g. archipelagos, have parts which are not connected with one another. |
Belongs to Class
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nation |
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