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Designing linked data approach upon INSPIRE datasets

Michal Med and Veronika Kůsová

(Submission #144)


Abstract

After the most of the member states finally published at least some datasets harmonised according to the INSPIRE Directive and European Union is finally reaching the advantages of the standardized spatial data, we are facing a new challenge. How to work with the big amount of data and how to get the most out of it? On the example of the INSPIRE data published in the last years by the Czech Office for Surveying, Mapping and Cadastre and Land Survey Office we will introduce a way of linking data among different spatial data themes, using linked data features. The involved datasets are Cadastral Parcels, Addresses, Administrative Units, Buildings, Geographical Names. Transportation Networks and Hydrography. First of all we have to find connections between models. That involves research of the INSPIRE models and also the models of national datasets containing these data. Some of the links are already indicated in the INSPIRE Data Specifications, some are more specifically related to the national datasets and may be included in national extensions of INSPIRE datasets. The linkage of the data shall be done using unique persistent resolvable identifiers. If the identifiers fulfill all the conditions mentioned above, they are completely legal as identifiers and at the same time work as links to the related resources.Due to this fact it is crucial to set the form of identifiers as an URI and ensure its uniqueness by logical composition of its features. In the linked open data world, resource identifiers are often reused by other providers. At this point, we have great opportunity to set INSPIRE identifiers as official authorized identifiers of spatial objects, especially in administrative units, addresses and other administrative topics. To achieve the goals specified above, we have to do this soon and properly. Czech Office for Mapping, Surveying and Cadastre is national authority for administrative units. This is important, due to the fact that most of other data providers need to link their data to certain area. That may be done either by bounding box, or by pointing to the administrative (or other) area by unique identifier. In the Czech Republic we already have this kind of experience by using the persistent identifiers of objects from the Registry of Territorial Identification and Real Estate in metadata documents as the geographical coverage. Our approach is using INSPIRE data infrastructure in combination with linked data principles.

Categories

Topic Area:  [3.2] Tools and technologies
Abstract Type:  Oral Presentation and paper in IJSDIR

Additional Fields

 
Academic:   Yes
 
Data Provider:   Yes
 
Data User:   No
 
INSPIRE Implementer (IT):   No
 
INSPIRE newbies:   No
 
Policy Officers:   No
 
Public Administration (MS/Regional/Local):   No
 
Thematic specialists:   No
 
Comments:   linked data, lod, administrative data, persistent identifier


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