We developed an abstraction of our E/R model, obtaining a theoretical model expressed in natural language that enriched the set of entities and connections of our ten items. The questions Who?, When?, Where?, What? helped us to complete the design of the domain.
Thus, through a generalization of the connectors and the classes of entities, we associated for example the Song to who performed and composed it, the Artworks to their display date and location, the Written documents to their type of text, their editor and languages. A visual graph enhances this network of connections.