11. The method according to claim 10 , further comprising operating the at least one processor to perform: during the displaying of the preliminary set of data elements on the graphical display, when a preliminary data element of the set of preliminary data elements is selected, displaying a portion of said at least one document relating to the preliminary data element on the graphical display.
15. The method according to claim 11 , wherein displaying the portion of said at least one document relating to the preliminary data element comprises displaying the portion of the document from which a data element related to the preliminary data element was extracted.