WG Methodology meeting Luxembourg, 5 April 2017 Antonio Olleros European Central Bank BIRD and VTL WG Methodology meeting Luxembourg, 5 April 2017

Integration initiatives overall view Reporting agent (reporting area) NCB ECB Exchange file Exchange file SDD BIRD ERF One methodology, unique semantics

Role of data dictionaries in a system Data dictionary Collect Produce Disseminate

Anacredit SHS … Described process Preparation Enrichment Input layer Output generation Anacredit SHS … Enrichment Preparation

Transformation process CRDT_CRD_DBT_CNVNNC_CRDT  Type of amortisation = Bullet

Input layer – Entity Relationship Model (I)

Enriched input layer - ERM

Grouping transformations Group of transformation(s) with business meaning Transformation scheme Transformation Attributes: Phase Type Procedure Functions Rulesets One line of code

Types of transformation schemes Transformations need for technical reason but without business relevance Technical Transformation that give as a result the evaluation of a logical condition Validation Transformations that serve to generate new variables Derivation Transformations required to filter, aggregate and arrange the final output Generation

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