Data Quality project to clean data

Nota:

• Create a KB interactively or from a auto discovery of trustworthy data
• KB consists of domains that map to data source fields

1. Build KB
   1. Process to build KB
      1. Knowledge Discovery

         Nota:

         • Process that uses sample data
      2. Domain Management

         Nota:

         • Process that verifies and extends domains
         1. Import & Export
            1. KB from other DQS Instances
            2. KB from DQC
            3. Domain from DQC
            4. Values from Excell
            5. Domains from Excell
            6. Values from a finished DQS project
         2. Domain Rules

            Nota:

            • Condition that DQS uses to validate domain Values
         3. Term based Relations

            Nota:

            • To correct a term that is part of a domain
         4. Composite Domain

            Nota:

            • Consists of two or more singe domains
      3. Reference data services

         Nota:

         • Process that validates domain data against external data 
      4. Matching Policy

         Nota:

         • Process that defines rules that identifies duplicates

1. Mapping
2. computer assisted cleansing
3. Interactive ceansing
4. Export