23. The computer readable medium as set forth in claim 16, wherein instructions for storing a classification system comprises instructions for storing the classification system such that associated categories are distanced to reflect a semantic and lexical relationship between respective categories.
16. The computer readable medium as set forth in claim 15, wherein: the instructions for processing the input set of documents to generate contextual data comprises instructions for generating a categorization schema from said classification system comprising a plurality of nodes, arranged in a plurality of levels of the hierarchy and logically coupled by at least one branch, and data associated with each node, wherein the nodes identify the categories classified; and the instructions for analyzing the contextual data comprises instructions for analyzing the categorization schema, including the data, to select a node in the categorization schema to classify the term.