A system, method, and computer-readable medium are disclosed for data processing. An exemplary method includes coupling a plurality of data warehouses to a data processing system. Each of the data warehouses may include key figures field catalogues and characteristics field catalogues. The method may further include selecting a sub-set of the plurality of data warehouses, selecting at least one of the key figures field catalogues and characteristics field catalogues of a selected one of the data warehouses, and storing data indicative of the selected sub-set and the selected at least one key figures field catalogue and characteristics field catalogue for definition of a data domain.