19. The method of claim 16 , wherein a current level of a dimension being navigated by the user is increased, if the current level of the dimension has been traversed by the user by selecting a dimension value.
16. The method of at claim 15 , wherein the at least one response from the user comprises: a. refining the search query; b. selecting a cube-category; c. selecting a dimension in a cube-category; d. selecting a dimension value for the dimension in the cube-category; and e. selecting a predetermined default response.