Abstract: A method for placing a document into a document family, the method including the steps of: determining at least one score associated with one or more document families, each score indicating a level of similarity between the document and the associated document family; in response to identifying at least one threshold document family, the or each threshold document family corresponding to a document family with at least one associated score meeting a predefined threshold: placing the document into the, or one of the, threshold document families; in response to identifying that each score fails to meet a predefined threshold: creating a new document family; and placing the document into the new document family.

Abstract: A method for organizing and presenting material content on a display to a viewer, the method comprising: mapping a plurality of display windows within a virtual three-dimensional space so that each display window is allocated a specific and predetermined position in the space, rendering each display window in three-dimensional perspective according to its position and angle relative to a viewer's virtual position in the virtual space, cross-referencing the position of each display window to a storage location of the material content that is designated to be rendered in that particular display window at a particular time based on at least one predetermined condition, allocating at least part of the three-dimensional virtual space to display windows whose content is not chosen or determined by the viewer, selecting, retrieving and preparing material content for possible subsequent display according to a predetermined algorithm, selecting and rendering prepared material content within its cross-referenced displa