Products designed to help companies solve this problem are often called Enterprise Information Integration (EII) EII is the technique used to bring various data elements together in an aggregated or federated method. The heart of many of these solutions is a meta data management capability that insures that the meaning of data across sources are consistent. A data item from one data source must be able to match the business intent of another source. Hurwitz & Associates has analyzed IBM’s DB2 Information Integrator and Avaki Enterprise Data Integration Framework.”]
Source: https://www.csoonline.com/article/2117866/adopting-an-information-integration-strategy.html