13. The computer-implemented method of claim 1 , wherein search category selection rules specify that the total number of the data entries sharing search category preference information is used for identifying and ordering the search categories.
13. The computer-implemented method of claim 1 , wherein search category selection rules specify that the total number of the data entries sharing search category preference information is used for identifying and ordering the search categories. 14. The computer-implemented method of claim 13 , wherein the order of the identified search categories is determined based on the total number of the data entries having search category preference information which corresponds to one of the identified search categories.