Methodology of BR4DQ

Methodology of BR4DQ

1. Phase 1

   • Purpose
     • Comprehensive data description for quality evaluation.
   • Inputs
     • business processes documentation,
     • systems documentation
     • stated data requirements
     • data transformation details
     • potential data users.
   • Outputs
     • Baseline metadata.
   • Activities
     • Identify business processes
     • describe information systems
     • prioritize stakeholders
   • Tools
     • business process modeling

2. Phase 2

   • Purpose
     • Identify and describe business rules governing data validity
   • Inputs
     • Data description from Phase 1
   • Outputs
     • Validated business rules, list of controls
   • Tools
     • Business rule discovery tools
   • Activities
     • Identify business rule sources
     • extract rules

3. Phase 3

   • Purpose
     • List data quality requirements and identify characteristics
   • Inputs
     • datasets under evaluation
   • Outputs:
     • Validated set of data quality characteristics
   • Tools
     • Meetings
     • checklists
     • questionnaires
   • Activities
     • Explain data quality concepts
     • Identify requirements
     • Select characteristics

4. Phase 4

   • Purpose
     • Group business rules for data quality evaluation
   • Inputs
     • Validated business rule sets
     • data quality characteristics from Phase 3
   • Outputs
     • Grouped business rules,
     • Validation scripts
   • Tools
     • Criteria for grouping
     • questionnaires.
   • Activities
     • BR based on contribution to data quality characteristics
     • implement rules
     • validate adapted vision

5. Phase 5

   • Purpose
     • Maintain updated business rule groups and data quality requirements
   • Inputs
     • Data description from Phase 1
     • validated business rule set
     • data quality characteristics
     • business rule groups from Phase 4
   • Outputs:
     • Revisited baseline
     • business rule groups
     • data quality model
     • mapping
     • change report
   • Tools
     • Configuration management.
   • Activities:
     • business rule groups
     • Revisit baseline
     • groupin,
     • implementation
     • develop measures for monitoring