Fig 4. The steps to define a DQ profile.

DQ profiling can be performed by the following steps: (1) Define the Context, (2) Define a set of Valuable IE, (3) Define a set of relevant DQ Dimensions as DQ Measurement Policy, (4) Define a set of relevant DQ Criteria as DQ Validation Policy and (5) Define a set of relevant DQ Enhancements as DQ Enhancement Policy.