46. The method of claim 45 , wherein said created conceptual model expresses said obtained semantic information; wherein said obtained semantic information is not available on a face of the data source.
46. The method of claim 45 , wherein said created conceptual model expresses said obtained semantic information; wherein said obtained semantic information is not available on a face of the data source. 47. The method of claim 46 , wherein the information accessed from said accessing a secondary knowledge source relates the plurality of data sources to one another.