The theory of data integration forms a subset of database theory and formalizes the underlying concepts of the problem in first-order logic. Applying the theories gives indications as to the feasibility and difficulty of data integration.
Informatica Data Quality Use Cases and Deployment Scope. IDQ is used to update the customer data with correct address, name, phone numbers etc. It's used in the Digital IT department at my current organisation. It identifies the duplicate customers and maintains the up to date details of a customer.
The Public Health Informatics Institute (a program of the Task Force for Global Health) works with public health professionals and their stakeholders on projects centered around requirements development, practice support and informatics training.