6. A machine-implemented method for providing a graphical user interface (GUI) for a research system, the method comprising: providing a selectable list of user objectives for a recurring search that identifies documents, from a particular recurring time period, classified as relevant to a set of categories by the research system, wherein a selected user objective comprises a purpose for which the user plans to use the identified documents; providing a categories display area for displaying a set of recommended categories to include in the recurring search based on the selected user objective and an initial set of categories, wherein the set of recommended categories comprises a subset of pre-selected categories most related to the initial set of categories and further categories for selection by the user; after a set of additional categories for the recurring search are selected by the user, providing a filters display area for displaying a set of recommended filters for removing specific types of documents from the recurring search that are otherwise relevant to the selected categories for the recurring search, wherein a first set of selected additional categories results in displaying a first set of recommended filters and a second set of selected additional categories results in displaying a second, different set of recommended filters; and providing a plurality of selectable user interface controls for modifying delivery parameters for the recurring search, wherein a set of the plurality of selectable user interface controls are automatically pre-selected for the user based on an analysis of a plurality of user profile information and user behavior information, wherein email is pre-selected as a medium through which reports are delivered to the user if the user does not log-in to the research system on a recurring basis over a specified time period.
8. The method of claim 6 , wherein a plurality of filters of the set of recommended filters filter documents based on at least one of the source of the document, the type of document, and the geographic region to which the document is related.