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Relationships
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| Instances | body of water | A BodyOfWater is a connected body of water with established boundaries marked by either geographical features or conventional borders. |
| | entity | The universal class of individuals. This is the root node of the ontology. |
| | 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. |
| | 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. |
| | salt water area | A WaterArea whose Water is saline, e.g. oceans and seas. |
| | sea | Sea is the class of smaller subdivisions of the WorldOcean, typically partially surrounded by land. However, for inland salt water bodies that are sometimes called 'Sea', see SaltLake. |
| | self connected object | A SelfConnectedObject is any Object that does not consist of two or more disconnected parts. |
| | water area | A body which is made up predominantly of water, e.g. rivers, lakes, oceans, etc. |
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Belongs to Class
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self connected object |
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