Figure 11: Relationship between user stories and use cases
2.3
Data model
In D2.1 an extensive data model has been presented for the CUbRIK platform as a whole. The diagram displayed in Figure 12 contains an adapted version of the data model that is adjusted to the History of Europe vertical application. In particular, this model makes use of a subset of the elements in the Content and Content Description Model described in Section 1.2 of D2.1. This model is split into three main sub-models, the Entity Model (which models objects or events in the real world), the Content Model (which models content objects), and the Content Description Models (which models Annotations, and mediates between the content world and the real world). Figure 12 shows that refinements have been added (for example, the specification of a location as a street address), but that also elements representing other CUbRIK data models have been incorporated, especially the meta-entity class below is used to express elements from the Provenance and Rights Model (source). As in the Annotation model, confidence is specified as a value associated with an annotation, here designated “Accuracy�. This simple
CUBRIK Revised Requirements Specifications
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D2.3 Version 1.0