5. The method of claim 1 , wherein the adjusted associated relevance weights are decayed as time passes from the act of adjusting the associated relevance weights.
1. A user-interface method of selecting and presenting a collection of items in which the presentation is ordered at least in part based on navigation and selection behavior of a user learned over time, the method comprising: providing access to a set of items; associating an initial relevance weight, on a per user basis, with each of a plurality of the items of the set to indicate a relative measure of a likelihood that the item is desired by the user; receiving input entered by the user for identifying desired items; in response to the input entered by the user, selecting and presenting a subset of items to the user as a navigable topology of items wherein the items are ordered at least in part by the initial associated relevance weights associated with the items; receiving input entered by the user for navigating through the topology of the subset of items and for identifying and selecting the desired items; in response to a selection by the user of an item, presenting said item to the user and adjusting the associated relevance weight of said item; subsequent to adjusting the associated relevance weight of any of the items, selecting and presenting a subset of items to the user wherein the items are ordered at least in part by the adjusted associated relevance weights assigned to the items such that items with greater associated relevance weights are presented as more relevant items.