2. The method of claim 1 , wherein the step of merging further comprises: including, performed at least in part with a configuration of computing hardware and programmable memory, a single value, in the first set of representative role values, to represent the first and second candidate representative role values.
2. The method of claim 1 , wherein the step of merging further comprises: including, performed at least in part with a configuration of computing hardware and programmable memory, a single value, in the first set of representative role values, to represent the first and second candidate representative role values. 3. The method of claim 2 , wherein the step of including further comprises: determining, performed at least in part with a configuration of computing hardware and programmable memory, the single value to be representative of a common meaning, between the first and second candidate representative role values.