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.
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. 24. The computer readable medium as set forth in claim 16, wherein the instructions for analyzing the categorization schema comprises instructions for analyzing the nodes of the categorization schema to identify clusters and eliminating nodes from consideration if the nodes are located outside the cluster.