43. A computer program product as in claim 23 wherein the computer program instructions when executed cause the computer to process a user-input query and to use said integrated semantic model to identify data from one or more of the plurality of data sources responsive to said query.
43. A computer program product as in claim 23 wherein the computer program instructions when executed cause the computer to process a user-input query and to use said integrated semantic model to identify data from one or more of the plurality of data sources responsive to said query. 44. A computer program product as in claim 43 wherein the computer program instructions further cause the computer to display said data responsive to said query in context by displaying logic relations made between classes from different of the plurality of data sources to identify said responsive data.