3. The method of claim 2 further comprising: identifying 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.
2. The method of claim 1 further comprising: displaying 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 an electronic document selected from the list of electronic documents.