A Trace Metamodel Proposal Based on the Model Driven Architecture Framework for the Traceability of User Requirements in Data Warehouses - Advanced Information Systems Engineering - page 130

Fig. 6. QVT transformation for deriving a context into a dimension with its associated
trace

omitted trace link corresponds to the association between the base level and the
dimension. The rest of the relationships between the CIM and PIM elements is
summarized in table 1, along with its corresponding rule name.

Table 1. Relationships between CIM elements and PIM elements

Transformation rule name Source element (CIM) Target Element (PIM)

BusinessProcess2Fact BusinessProcess StarPackage

BusinessProcess2Fact BusinessProcess FactPackage

BusinessProcess2Fact BusinessProcess Fact

Measure2FactAttribute Measure FactAttribute

Context2Dimension Context DimensionPackage

Context2Dimension Context Dimension

Context2Dimension, Context2Base Context Level

Context2Dimension, Context2Base Context Association

The contexts can derive either into a dimension package, its corresponding
dimension and first level if the context is the base of the dimension, or into a
level and an association with the previous level in the dimension hierachy. A
graphic example of the generic relationships is shown in figure 7.
In this figure, we can see the previously described elements in the QVT from
the CIM at left side. The business process has its associated rationale represented
by means of succesive goals, which derive into an information requirement for