19. The method of claim 17 , further comprising storing a plurality of facet-value pairs associated with the plurality of objects, wherein each of a plurality of values has an association with at least one of a plurality of facets characterizing the objects.
19. The method of claim 17 , further comprising storing a plurality of facet-value pairs associated with the plurality of objects, wherein each of a plurality of values has an association with at least one of a plurality of facets characterizing the objects. 30. The method of claim 19 , further comprising presenting at least one of the first set of objects and the fourth set of objects sorted according to one or more precomputed facet values.