Patent US 8,639,670

When collecting and integrating data present in separately managed information sources, data are collected from the information sources through a physical model of the information sources. Integration is executed by a process of converting a data configuration (mapping) into a logical model predefined for each utilization-side application and a process of converting and conforming values (cleansing); and the result thereof is provided as a view (logical model) for each application to the utilization-side application.