12. The method of claim 11 , further comprising: responsive to the pre-defined cube structure corresponding to the facet hierarchy, outputting for display the multi-dimensional search interface based on the pre-defined cube structure.
12. The method of claim 11 , further comprising: responsive to the pre-defined cube structure corresponding to the facet hierarchy, outputting for display the multi-dimensional search interface based on the pre-defined cube structure. 14. The method of claim 12 , wherein: the facet hierarchy includes a plurality of facets; the pre-defined cube structure includes pre-defined dimensions; and determining whether the pre-defined cube structure corresponds to the facet hierarchy comprises determining whether each facet of the facet hierarchy maps to a pre-defined dimension of the pre-defined cube structure.