Fig. 2

The six defined entry points, separated into the identified metadata (lower part) and the formal description of the metadata (upper part). The three bold entities are suitable entry points for mutations. The right box shows an example query to request all data Data Elements containing a Slot with the name “SNOMED-CT” and the value “723,232,008” (average blood pressure). The query defines the representation of the response: each corresponding Data Element shall be returned with its identification and its definitions