Dear all, (Last new issue for now, I promise)
When describing a Visual Item, we can say that it represents some entity that you can point to (e.g. the sitter), that it is about some subject that you can’t point to (e.g love) and it can have general classifications with has type for style (abstract) or other such features of the overall visual content. However, it would be useful to be able to say that a class of entity is represented in the visual item rather than a specific entity. We have tried several approaches to this. If we want to say that a still life painting depicts flowers, we would not want to create a Biological Object and classify it as a flower to be represented by the visual item of the painting … such a flower may never have actually existed, and it would be enormously expensive. Equally we don’t think that the Type “flowers” is represented in the painting … it’s a not a depiction of all flowers, it’s a depiction of some, likely fictional, collection of specific flowers. So we would propose a new property that parallels P138 represents, but instead refers to a class of entity rather than a specific. We can see this pattern already in the model: P16 used specific object vs P125 used object of type P20 had specific purpose vs P21 had general purpose P33 used specific technique vs P32 used general technique P108 has produced vs P186 produced thing of product type Pxx represents entity of type Domain: E36 Visual Item Range: E55 Type Sub Property Of P138 Represents This property establishes the relationship between an E36 Visual Item and an E55 Type that represents the class of entity which it visually represents. This property is used when the specific entity being represented is either unknown, or not of documentary interest. The manner or mode of the representation can be captured using Pxx.1 mode of representation. Properties: Pxx.1 mode of representation: E55 Type Examples: * The still life painting’s image content (E36) represents and entity of type flowers (E55) * The sculpture’s visual content (E36) represents an entity of type woman (E55) * The photograph’s visual content (E36) represents an entity of type beach (E55) in the manner of background (E55) Thoughts? Many thanks! Rob -- Dr. Robert Sanderson, Semantic Architect | Getty Digital | getty.edu<http://getty.edu/> [signature_1245888113]
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