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COREP Taxonomy Status COREP Project Team Katrin Schmehl Daniel Hamm Deutsche Bundesbank Madrid, 2006-10-04 6th European Banking Supervisors XBRL Workshop.

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Presentation on theme: "COREP Taxonomy Status COREP Project Team Katrin Schmehl Daniel Hamm Deutsche Bundesbank Madrid, 2006-10-04 6th European Banking Supervisors XBRL Workshop."— Presentation transcript:

1 COREP Taxonomy Status COREP Project Team Katrin Schmehl Daniel Hamm Deutsche Bundesbank Madrid, 2006-10-04 6th European Banking Supervisors XBRL Workshop

2 Agenda COREP Taxonomies Version 1.2 Why creating a new release of the COREP taxonomies? Common primary elements Empty dimensions and prohibiting hypercubes Combining typed dimensions in one taxonomy Moving dimension elements in the dimension taxonomies Merging of dimension taxonomies Adding new dimension for currencies New CA New OPR COREP Taxonomies Version 1.2.1 Naming conventions Unique namespaces Consistency details References Future: Maintenance Bugtracking Taxonomies on the CEBS website

3 Why creating a new release of the COREP taxonomies? Extension requirements The COREP framework must be highly flexible and extensible. To meet this goal the framework is as modular as possible... dimension.XSD primary.XSD template.XSD importsimports Each template taxonomy consists of one template taxonomy that imports one template specific primary taxonomy and none or several dimension taxonomies. COREP Taxonomies Version 1.0

4 Why creating a new release of the COREP taxonomies? It is needed to know the elements with the same meaning used in different templates, i. e. for a generic database mapping Maintenance of these elements can be reduced. Relations between templates can be identified easily. Each template taxonomy consists of one template taxonomy that imports one template specific primary taxonomy and none or several common primary taxonomies as well as none or several dimension taxonomies... dimension.XSD primary.XSD template.XSD importsimports COREP Taxonomies Version 1.2. common primary.XSD importsimports

5 Common primary elements CA templates CR templates MKR templates p-cm-ca.XSD p-cm-cr.XSD p-cm-mkr.XSD Elements with the same meaning were identified by business experts and extracted in separate primary taxonomies for each template group.

6 Empty dimensions and prohibiting hypercubes New constraints were needed to restrict elements from being reported. One constraint to restrict the report of dimensional information for a primary at all. Second constraint to prevent their instantiation from templates that dont explicitly allow them. These hypercubes are assigned to the primary with an …all arc.

7 Combining typed dimensions in one taxonomy A typed dimension defines its content by a set of rules (an XML Schema type). Typed dimensions allow the definition of large or infinite set of members. Typed dimension Explicit dimension

8 Combining typed dimensions in one taxonomy COREP Taxonomies Version 1.0 all typed dimensions are defined in the template taxonomy typed dimensions definitions/elements are not reused COREP Taxonomies Version 1.2 typed dimensions are defined in a separate dimension taxonomy named d-ty template taxonomy using typed dimensions have to import the d-ty taxonomy typed dimension can be reused

9 Moving dimension elements in the dimension taxonomies COREP Taxonomies Version 1.0 explicit dimension elements are defined in the template taxonomy dimension taxonomies were reused but not the dimension elements themselves COREP Taxonomies Version 1.2 explicit dimension elements were moved into their correspondent dimension taxonomy now templates sharing common dimension elements share also the same dimension item.

10 d-pm….XSD Merging of dimension taxonomies d-rc….XSD d-ri….XSD d-pc….XSD d-mr….XSD the CA template defines a total element for all the different breakdowns of risk nature of the instrument. Dimension taxonomies of the MKR taxonomies of COREP Version 1.0 The new dimension taxonomy contains the complete MKR- dimension-member network

11 Merging of dimension taxonomies d-mr….XSD

12 Adding new dimension for currencies COREP Taxonomies Version 1.0 the cell currency of the MKR SA TDI template is a typed dimension COREP Taxonomies Version 1.2 the infinite set of possible values for currency is restricted by using an explicit dimension taxonomy

13 CreditRiskIRBOwn EstimatesHypercube New CA … CAPITAL REQUIREMENTS TOTAL CAPITAL REQUIREMENTS FOR CREDIT, COUNTERPARTY CREDIT, DILUTION AND DELIVERY RISKS SETTLEMENT RISK TOTAL CAPITAL REQUIREMENTS FOR POSITION, FOREIGN EXCHANGE AND COMMODITY RISKS TOTAL CAPITAL REQUIREMENTS FOR OPERATIONAL RISKS (OpR ) … SettlementRisk Hypercube MarketRisk Hypercube OperationalRisk Hypercube CreditRiskMain Hypercube CreditRiskIRBNoOwn EstimatesHypercube CreditRiskSA Hypercube The breakdown of these primary elements is now contained in the dimension taxonomies. Enables to refer to the specific templates marked by the note: Link to CA template

14 New model of OPR Details template primary items Event Types Dimension Business Lines Dimension allowed for every Business Line domain member, but only for Total from Event Types dimension

15 New model of OPR Details template This is repeated for every business lines domain member

16 New COREP taxonomy release 1.2.1 Next release will be published this Friday (2006-10-06) Changes in 1.2.1 compared to 1.2 Known bugs are fixed CA Template (t-ca) CR SA Template (t-cs) OPR Template (t-op) References of revised CEBS templates have been added (references to new Directives 2006/48/EC and 2006/49/EC) Naming conventions

17 Consistency of namespaces Same namespaces have the same prefixes across different templates now Prefix of namespace http://www.xbrl.org/2003/linkbasehttp://www.xbrl.org/2003/linkbase is changed to No default namespaces are used any more – every namespace has its own explicit prefix

18 Consistency of roletypes Each extended link role is defined with a roleType element in the schema file Unused roleType elements have been removed ID attributes follow common naming convention now: rt_tax-prefix_rolename

19 Other Changes label and title attributes of locators and arcs in linkbases are consistent now XBRL schema file locations are linked with their URL Documentation is updated on http://www.corep.infohttp://www.corep.info

20 Further processing COREP Taxonomy 1.2.1 is stable for national extensions – what follows now? Fix of known bugs Yahoo Group! Bugtracking Tool? Making taxonomies online available on the CEBS website, so they can be referenced with a unique URL E.g. http://www.c-ebs.org/eu/fr/esrs/corep/2006-07-01/t-ca- 2006-07-01.xsdhttp://www.c-ebs.org/eu/fr/esrs/corep/2006-07-01/t-ca- 2006-07-01.xsd

21 Questions Thank you for your attention! Time for your questions! Katrin Schmehl Katrin.Schmehl@bundesbank.de Daniel Hamm Daniel.Hamm@bundesbank.de


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