28. The method of claim 9 , wherein said knowledge base comprises a description of the derivation process used to associate a model with said first document.
9. A method for semantically augmenting textual strings comprising: electronically analyzing a first document comprising a plurality of textual strings; for each of said plurality of textual strings, identifying a logical representation corresponding to a set of possible interpretations of that textual string; locating said logical representation within a knowledge base; retrieving said set of possible interpretations from the knowledge base; and augmenting, by a processor, each of said text strings with one or more string augmentations corresponding to said possible interpretations.