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| - There are five distinct ways that part-whole relationships can be specialized within the core, shown in Figures 3 - 7. The first specialization, shown in Figure 3, describes composites that contain at least one part. As shown, all __NonEmptyComposite__ objects are connected to at least one part object. |
| + There are four distinct ways that part-whole relationships can be specialized within the core, shown in Figures 3 - 6. The first specialization, shown in Figure 3, describes the concept of inseparable parts. As shown, all __InseparablePart__ objects are contained within at least one composite object, that is, the object will not exist separately from a collection. |
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| - [http://cvs.ecoinformatics.org/cvs/cvsweb.cgi/~checkout~/seek/projects/kr-sms/docs/OntoManual/core3.png] |
| - \\__Fig. 3:__ Non-empty composites. |
| - |
| - The second specialization, shown in Figure 4, describes the concept of inserperable parts. As shown, all __InserperablePart__ objects are contained within at least one composite object, that is, the object will not exist separately from a collection. |
| - |
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| - \\__Fig. 4:__ Inseperable parts. |
| + \\__Fig. 3:__ Inseparable parts. |
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| - The third specialization, shown in Figure 5, describes the notion of an essential part. A composite object in general can contain heterogeneous parts, for example, a car is made up of wheels, a chassis, bumpers, and so on. An essential part denotes a specific type of part that all objects of a particular type of collection must posses. Wheels are generally considered an essential part of a car, whereas a sunroof is not an essential part. |
| + The second specialization, shown in Figure 4, describes the notion of an essential part. A composite object in general can contain heterogeneous parts, for example, a car is made up of wheels, a chassis, bumpers, and so on. An essential part denotes a specific type of part that all objects of a particular type of collection must posses. Wheels are generally considered an essential part of a car, whereas a sunroof is not an essential part. |
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| - \\__Fig. 5:__ Essential parts. |
| + \\__Fig. 4:__ Essential parts. |
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| - The fourth specialization, shown in Figure 6, describes unique parts. A collection object will have at most one unique part object, if a unique part is defined for the collection. A chassis is a unqiue part for a car, that is, any one car can have at most one chassis. Note that a chassis is also an essential part for a car. We permit part-whole specializations to be freely mixed. |
| + The third specialization, shown in Figure 5, describes unique parts. A collection object will have at most one unique part object, if a unique part is defined for the collection. A chassis is a unqiue part for a car, that is, any one car can have at most one chassis. Note that a chassis is also an essential part for a car. We permit part-whole specializations to be freely mixed. |
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| - \\__Fig. 6:__ Unique parts. |
| + \\__Fig. 5:__ Unique parts. |
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| - The last specialization, shown in Figure 7, defines unshareable parts. An unshareable part object can be a part of at most one collection at a time. |
| + The last specialization, shown in Figure 6, defines unshareable parts. An unshareable part object can be a part of at most one collection at a time. |
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| - \\__Fig. 7:__ Unshareable parts. |
| + \\__Fig. 6:__ Unshareable parts. |
