23. The server of claim 22 wherein the data capture server is for computing, in a production mode, from the combined component confidences, for each of the scanned data items, a confidence attribute, the confidence attribute indicative of a confidence that the scanned data item matches the data value.
22. An automated data capture server, comprising: an interface for scanning a set of data items, each data item corresponding to a data value; a plurality of transformations applied in a series for generating recognized value from the scanned data item, the transformations defining a combined sequence from an input stream of data form to a final data value to convert the scanned data item to the recognized value, each of the transformations in the series converting the data item to a different form of the recognized value; a builder for determining, for each of the transformations, a component confidence, the component confidence indicative of a likelihood of accurate conversion from an input form to the different form; a confidence builder for combining each of the component confidences determined for a particular data item, and comparing, in a learning mode, the recognized value from a final transformation of the data item to the corresponding data value; and a confidence model for accumulating, if the compared recognized value matches the corresponding data value, the confidence components in the confidence 5 model, the accumulated confidence components indicative of accurate recognitions.