13. The method of claim 11 wherein the ranking comprises dynamically ranking the one or more hierarchical facets based on prior relevancy information.
13. The method of claim 11 wherein the ranking comprises dynamically ranking the one or more hierarchical facets based on prior relevancy information. 15. The method of claim 13 wherein the dynamically ranking the one or more hierarchical facets comprises creating or updating a facet hierarchy term information file that stores a search term and one or more hierarchical facets previously selected by a user.