1. An apparatus, comprising: a feature database comprising data source features for an expert system to receive environmental inputs and apply them to a system; and a discriminator operable to: receive a new data source feature from a network-connected data source comprising an environmental input and a structurally-standardized metadata description of the feature; and autonomously classify the new feature according to a feature taxonomy, wherein classifying comprises inspecting the feature metadata, comparing the feature to an existing feature in the feature database, and assigning the feature a class or species based on the comparing.