21. The method of claim 18 wherein the schema includes a reference to a library to provide the encoded text, and wherein processing comprises accessing the library and analyzing the input text with respect to the library.
18. The method of claim 1 wherein the schema includes encoded text of the domain contemplated to be in the input text, and wherein each node has associated encoded text therewith, and wherein processing includes analyzing the input text to identify portions having the encoded text, the encoded text being used to identify a node for the hierarchal context of the self-describing fragment.