23. The apparatus of claim 15 wherein the processor is further configured to (1) compute an interestingness value based on the source data the derived features and at least one of the applicability conditions, and (2) generate the evaluation indicator based at least in part on the computed interestingness value.
23. The apparatus of claim 15 wherein the processor is further configured to (1) compute an interestingness value based on the source data the derived features and at least one of the applicability conditions, and (2) generate the evaluation indicator based at least in part on the computed interestingness value. 24. The apparatus of claim 23 wherein the evaluation indicator comprises the computed interestingness value.