6. The method of claim 5 , further comprising: a classifier receiving said data matrix for each level in a category tree; said classifier using at least one classification algorithm to label said data matrices, wherein said labeled data matrices yield labeled documents that comprise cleansed, transformed, and structured representations of an original, transcribed or typed and unstructured text interaction history.
6. The method of claim 5 , further comprising: a classifier receiving said data matrix for each level in a category tree; said classifier using at least one classification algorithm to label said data matrices, wherein said labeled data matrices yield labeled documents that comprise cleansed, transformed, and structured representations of an original, transcribed or typed and unstructured text interaction history. 8. The method of claim 6 , further comprising: building any of said classifier and said scoring model using a supervised or an unsupervised approach.