22. A method for providing a classification suggestion for a document, comprising the steps of: maintaining a corpus of documents comprising reference documents each associated with a classification and uncoded documents; generating a cluster of uncoded documents; determining a neighborhood of reference documents for at least one of the uncoded documents in the cluster; determining a classification of the neighborhood using a classifier; and suggesting the classification of the neighborhood as a suggested classification code for the at least one uncoded document; assigning a further classification code to the at least one uncoded document based on instructions from a user; identifying a difference between the assigned classification code and the suggested classification code; and displaying the difference between the assigned classification code and the suggested classification code, wherein the steps are performed by a suitably programmed computer.
22. A method for providing a classification suggestion for a document, comprising the steps of: maintaining a corpus of documents comprising reference documents each associated with a classification and uncoded documents; generating a cluster of uncoded documents; determining a neighborhood of reference documents for at least one of the uncoded documents in the cluster; determining a classification of the neighborhood using a classifier; and suggesting the classification of the neighborhood as a suggested classification code for the at least one uncoded document; assigning a further classification code to the at least one uncoded document based on instructions from a user; identifying a difference between the assigned classification code and the suggested classification code; and displaying the difference between the assigned classification code and the suggested classification code, wherein the steps are performed by a suitably programmed computer. 25. The method according to claim 22 , wherein the neighborhood is determined based on one of inclusion, injection, and nearest neighbor.