Diagram 3. Data structure with each complaint stage represented as its own entity type As you can see, this would have allowed us to describe each stage with different properties but, on the other hand, this way it would have been more complicated to show the performance outputs that were very relevant for the partner. In either case, the model must be completed with two or three more elements: the complainant, the respondent and, optionally, the victim. The complainant and the respondent are mandatory elements, but the victim is not, as this information could be integrated in the complaint registration template mentioned before. The parties involved are described with contact details, socioeconomic status, identification data, etc. We present a basic solution for the complainant and the respondent templates in the following example: 10