INSPIRE drafting teams work versus practical INSPIRE implementations, theory and practice

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INSPIRE drafting teams work versus practical
INSPIRE implementations, theory and practice
Marek Brylski, Intergraph Polska
Enviro-i-Fórum Zvolen Slovakia June 2009
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Content

• INSPIRE Network Services Drafting Team documents
  and their meaning.
• Current NS technology selections.
• Polish experience from the first implementation
  of INSPIRE network services and National
  Geoportal.

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Implementing Rules Documents

• Prepared for all the types of services mandated
  by the directive, transferred to the one single
  document.
• Each type of the INSPIRE network service becomes
  an annex.
• IR documents become legally binding for the
  European member states.
• Abstract documents, which provide definitions on
  the INSPIRE Network Services in an INSPIRE
  language.
• All definitions are independent of the technology.

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Technical Guidelines Documents

• Also prepared by the NS DT.
• Meant to be technology recommendations.
• Single technical guidance document prepared for
  each type of network service.
• Not legally binding for the member states.
• Understood that they are absolutely critical for
  the final interoperability of European SDI.

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Initial Operating Capability Task Force

• Initial operating capability
• The ability of a Network Service to provide full
  functionality without guaranteeing quality of
  service in conformity with the rules set out in
  Annex I to this Regulation or access to the
  service  for all users through the INSPIRE
  geo-portal.
• Led by JRC and includes representatives from all
  member states.

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Current documents status
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Current technology selections

• Discovery service CS-W 2.0.2 ISO AP.
• View service WMS 1.3.0 (ISO 19128).
• Download service possibility to download
  pre-generated files, and, where practicable, WFS
  1.2 (ISO 19142).
• Transformation service WPS with profiles for
  different types of transformation. CT
  transformation profile is already recommended.

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Polish experience from the first implementation
of INSPIRE network services and National Geoportal

• First phase of INSPIRE implementation in Poland
• Metadata has been prepared, nearly 120000
  metadata records are now available in the
  National Metadata Catalogue and also via a
  discovery service.
• Several view services have been established, for
  example for cadastral parcels, buildings or ortho
  images.
• National Geoportal has been created with the
  initial capabilities of viewing the maps and
  discovering the metadata catalogue.

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Polish experience - conclusions

• It works!!!

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Polish experience - conclusions

• It is absolutely crucial to define the meaning of
  the dataset series, dataset and their relation to
  the network services for various types of data.
  This influences the metadata creation, metadata
  discovery and also the topology of network
  services.
• It is very hard to prepare the metadata discovery
  in a way, that regular web users understand it.
  CS-W interface may not be powerful enough for
  this, although it is enough to fulfil the
  requirements of metadata professionals.
• The creation of large amount of metadata records
  is demanding, the whole metadata production
  line have been created for Polish National
  resources to catalogue them.
• Although it is relatively easy to establish a
  simple view service, the real INSPIRE view
  service with some monitoring features inside,
  right performance and really interoperable, is a
  challenge.

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Polish experience - conclusions

• Regular WMS interface is not enough to provide a
  good cooperation between Geoportal and view
  services on national level. In order to achieve
  better scalability, correct network bandwidth
  usage and also proper availability of 99,
  besides proper hardware, the tiling version of
  view service, with a cache of tiles behind the
  scenes, seems to be a must.
• It takes a lot of time (months) to generate the
  tiles for different scales and for the whole
  country.
• The topology of network services, especially when
  the resources are distributed in a country, has
  to be carefully designed.
• Gazetteer services, although not mandatory at
  this moment, are a great help for
  non-professional users of Geoportal.
• The impact on the processes in the organization
  responsible for the implementation and
  maintenance of the network services and Geoportal
  is significant.

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Thank you for your attention !