5. The computer-implemented method of claim 4 , wherein each attribute value for a webpage is associated with a URL for the webpage.
5. The computer-implemented method of claim 4 , wherein each attribute value for a webpage is associated with a URL for the webpage. 6. The computer-implemented method of claim 5 , wherein processing the query against the dimensional model comprises: for each of the one or more of the plurality of attributes for which a query attribute value is specified, selecting the rows of the dimension tables corresponding to the attribute that matches the query attribute value; joining the selected rows of the dimension tables to the fact table to produce a join result; and generating a query result containing the URLs contained by the rows of the join result.