17. The non-transitory computer readable medium of claim 16 , wherein the first strata of the plurality of documents includes non-responsive documents with an initial responsiveness score below the decision boundary and the second strata of the plurality of documents includes responsive documents with an initial responsiveness score above the decision boundary.
19. The non-transitory computer readable medium of claim 17 , wherein the initial responsiveness score was generated based on user interaction with the plurality of documents.