4. The method as set forth in claim 3, wherein: the step of processing the input set of documents to generate contextual data comprises the step of 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 step of analyzing the contextual data comprises the step of analyzing the categorization schema, including the data, to select a node in the categorization schema to classify the term.
4. The method as set forth in claim 3, wherein: the step of processing the input set of documents to generate contextual data comprises the step of 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 step of analyzing the contextual data comprises the step of analyzing the categorization schema, including the data, to select a node in the categorization schema to classify the term. 7. The method as set forth in claim 4, wherein the step of analyzing the categorization schema comprises the steps of: selecting a branch in the categorization schema that includes a cluster of nodes; and analyzing the branch, starting from the top of the branch, to select a node supported by the data.