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How to map CDDA elements to INSPIRE Protected Sites

Mapping between European CDDA and INSPIRE Protected Sites (PS) data models Mette Lund CDDA INSPIRE webinar 1 July 2014. How to map CDDA elements to INSPIRE Protected Sites. Focus : to fulfil the complete INSPIRE PS Simple application schema including elements allowed to be empty (voidable)

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How to map CDDA elements to INSPIRE Protected Sites

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  1. Mapping between European CDDAand INSPIRE Protected Sites (PS)data modelsMette LundCDDA INSPIRE webinar 1 July 2014

  2. How to map CDDA elements to INSPIRE Protected Sites • Focus: to fulfil the complete INSPIRE PS Simple application schema including elements allowed to be empty (voidable) • Questions to answer: • Are the concepts behind the elements the same – definition, purpose? • Which spatial objects, attributes and value domains can I map? • What are the gaps? • Is it possible to cover the gaps? • Do I need an extension to INSPIRE PS to keep the CDDA purpose? • What do I have to do if I don’t have data in my database, but this is required by INSPIRE PS data specifications? • How to map between data formats? • Check the mapping rules with real data from CDDA!

  3. INSPIRE Protected Sites data model INSPIRE PS Protected Sites simple application schema - limited set of fundamental attributes

  4. CDDA data model Subset oftables and attributes for mapping with INSPIRE PS Simple application schema • geometry of spatial objects is provided separately

  5. Development of a matching table

  6. Conceptual mapping: INSPIRE PS data model – complexity of mapping INSPIRE PS Simple application schema - limited set of fundamental attributes Straightforward (easy) mapping Complex mapping requires additional thematic and INSPIRE PS discussions

  7. Straightforward mapping • CDDAINSPIRE PS Year ->legalFoundationDate yyyy -> yyyy-01-01T00:00:00 1984 -> 1984-01-01T00:00:00 • CDDAINSPIRE PS siteProtectionClassification natureConservation using a default value for entire CDDA • Element • Format • Example • Element • Example

  8. Complex mapping • CDDAINSPIRE PS - LegalFoundationDocument Law - LawReference - • Gaps in logical mapping – different concepts: • legislation related to the protected site in both data models: European CDDA doesn’t require information on legal act creating the protected site, but at national or sub-national level information on legal foundation document might be needed and available. It is currently required by INSPIRE. • Element • Element • Element

  9. Important to CDDA but not required by INSPIRE • CDDAINSPIRE PS National Designation Code (DESIG_ABBR) -> siteDesignation ISO2 country code + xx -> Scheme missing ES10 • This project suggests that Inspire PS simple schema is extended two additional code lists: National Designation Code and National Designation Category • Element • Format • Example

  10. The matching table

  11. Conceptual mapping: summary - main lessons learnt • Important to involve experts from the thematic domain(s)! • Conceptual mapping is time demanding, ensure enough time for this transformation workflow step! • Don’t force mapping if the meaning / purpose of concepts is too different! • The current CDDA data model is highly compatible with the INSPIRE Protected sites Simple application schema • Recommendation: to fulfil and keep the CDDA purpose, the minimum extension to INSPIRE PS is recommended to provide the national designations and categories • All the code lists used in the extended CDDA-INSPIRE PS data model are already available: • http://dd.eionet.europa.eu/vocabulary/cdda/designationtypecategory/ • http://dd.eionet.europa.eu/vocabulary/cdda/designations/

  12. Thank you! Mette Lund mette.lund@eea.europa.eu

  13. INSPIRE protected sites data model

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