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Harmonizing XBRL Taxonomies

Harmonizing XBRL Taxonomies. Susan Thomas, SAP AG, susan.marie.thomas@sap.com. XBRL European Business Registrars. Work done by XBRL European Business Registrars: xEBR taxonomy (Core Taxonomy) Mappings from local taxonomies. xEBR (Core) Taxonomy. Map from Belgian to xEBR.

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Harmonizing XBRL Taxonomies

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  1. Harmonizing XBRL Taxonomies Susan Thomas, SAP AG, susan.marie.thomas@sap.com

  2. XBRL European Business Registrars • Work done by XBRL European Business Registrars: • xEBR taxonomy (Core Taxonomy) • Mappings from local taxonomies xEBR (Core) Taxonomy Map from Belgian to xEBR

  3. Some Current MONNET Work • Map French to Spanish Balance Sheet • With help of Géraud Amic • Using only Calculation Hierarchy in RDF form • Use these mappings • To evaluate automatic suggestions • Diploma Thesis of Xichuan Wu at SAP • Uses logical reasoning to suggest mappings RDF Resource Description Framework, a Semantic Web Techonology

  4. New Mapping Tool Calculation Hierarchy Only: Parent is the sum of its direct children. Observation: Adding a new local taxonomies reduces the number of common concepts.

  5. A New Approach: Ontology English label: Current assets; short-term investments in group companies and associates; loans to companies Define line item in terms of basic accounting concepts: Investment and Loan and (hasCurrentness some Current) and (loanTo some GroupCompanyOrAssociate) and (loanTo only GroupCompanyOrAssociate) Screen Shots from Protégé Ontology Editor

  6. Basic Accounting Ontology Define line item in terms of basic accounting concepts: Investment and Loan and (hasCurrentness some Current) and (loanTo some GroupCompanyOrAssociate) and (loanTo only GroupCompanyOrAssociate)

  7. Graphical Approximation Asset GroupCompanyOrAssociate Investment Loan ThirdParty Current X ActivoNoCorrienteInversionesEmpresasGrupoEmpresasAsociadasLargoPlazoCreditosEmpresas Investment and Loan and (hasCurrentness some Current) and (loanTo some GroupCompanyOrAssociate) and (loanTo only GroupCompanyOrAssociate) English label: Current assets; short-term investments in group companies and associates; loans to companies

  8. Advantages of Approach • Concepts easier to understand • Easier, better matching of taxonomies • Each expert defines concepts in the taxonomy they know. • Definition records similarities and differences • Matches can be inferred from the definitions • Better translation process • Basic accounting concepts translated first • Every line item translation uses those translations • New ways to aggregate data

  9. Enables New Aggregations Investment and Loan and (hasCurrentness some Current) and (loanTo some GroupCompanyOrAssociate) and (loanTo only GroupCompanyOrAssociate) Investment and Loan and (hasCurrentness some Current) and (loanTo some ThirdParty) and (loanTo only ThirdParty) Investment and Loan and (hasCurrentness some Current) (calculate concept as sum of other two)

  10. Thank you! • Please contact me if you are interested: • susan.marie.thomas@sap.com

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