26. The computer-readable medium of claim 25 wherein the plurality of instructions comprises: instructions that cause the data processor to identify at least one set of near duplicate documents from the filtered subset, where the similarity metric between any two electronic documents in the set of near duplicate documents satisfies a threshold; and wherein, for any one electronic document from the at least one set of near duplicate documents, the GUI provides a control for displaying information identifying the other electronic documents in the at least one set of near duplicate documents.
25. The computer-readable medium of claim 24 wherein the plurality of instructions comprises: instructions that cause the data processor to generate a graphical user interface (GUI) to facilitate review of the electronic documents in the filtered subset, the GUI comprising: a first region displaying the hierarchical collection of folders; a second region displaying a list of electronic documents grouped in a selected folder from the hierarchical collection of folders; a third region displaying a first electronic document selected from the list of electronic documents.