ResourceMetadata are structured metadata that can be added to resources. The ResourceCategory of a Resource defines which metadata are valid for a Resource. A ResourceMetadata may be valid for multiple ResourceCategories. A ResourceMetadata has one or more dimensions. Usually a ResourceMetadata has only one dimension. A link, for example, may have to dimensions, a title and an URL. ResourceMetadataInstances is a concrete association of metadata to a Resource. The SingletonIndicator indicates whether a ResourceMetadata may be associated multiple times to the same Resource. ResourceMetadata Digitaliser.dk 1.0.0 Digitaliser.dk