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Purpose

Final draft of DCAT application profile for data portals in Europe (v 0.06) of was put forward and we need to asses it:

  1. DCAT AP itself
  2. it's relation to metadate about datasets we proposed for Vynos XXX in Slovakia


Report

DCAT AP

DCAT AP relates to:

  • several models:
    • Asset Description Metadata Schema (ADMS)
    • CERIF for Datasets (C4D)
    • CKAN Dataset Schema
    • INSPIRE Metadata Specification
    • Schema.org
    • Statistical Data and Metadata eXchange (SDMX)
    • Vocabulary of Interlinked Datasets (VoID)
  • several application profiles:
    • Austrian Open Government Data Cooperation
    • Norma Técnica de Interoperabilidad de Reutilización de recursos
      de la información (Spain)
    • Project Open Data Common Core Metadata Schema (US)
    • WMO Core Metadata Profile (World Meteorological Organization)

The basic use case of the specification is a cross-data portal search for data sets, including cross-lingual search. Additionaly, it also covers metadata update propagation from Data Portals to Metadata Brokes (see "User Scenario 7 – Creations, updates, and deletes of catalog entries") and other use cases.

DCAT

DCAT AP builds on DCAT specification (Data Catalog Vocabulary (DCAT), version 12 March 2013, published by the Government Linked Data Working Group of W3C as a Last Call Working Draft with a deadline for comments of 08 April 2013).

Basic DCAT classes are:

  • Catalog
  • Catalog record
  • Datraset
  • Distribution
  • Category and category scheme
  • Organization/Person

DCAT AP vs. Vynos XXX

Draft of Vynos 2013/165 proposes following metadata items (see "§ Otvorené údaje", odsek c) - in table compared/linked to items as specified in DCAP AP:

Vynos 2013/165 (draft)DCAT APnotes
názov datasetuDataset dct:description 
dátum prvého zverejnenia datasetuDataset dct:issued
Distribution dct:issued
DCAT defines the range of entry as rdfs:Literal typed as xsd:date, Vynos does not specify
dátum zverejnenia aktuálnej verzie datasetuDataset dct:modifiedDCAT defines the range of entry as rdfs:Literal typed as xsd:date, Vynos does not specify
jednoznačný identifikátor poskytovateľa datasetuDataset dct:publisherDCAT defines the range of entry as foaf:Agent, Vynos does not specify
identifikátor datasetu v tvare referencovateľného identifikátora

Dataset dct:identifier

 
informácia o licencii pre použitie datasetu alebo spôsob vysporiadania právnych aspektov prístupu k údajom v datasete a ich používaniu

Distribution dct:license

 
začiatok platnosti datasetu optional in Vynos
ukončenie platnosti datasetu optional in Vynos
začiatok účinnosti datasetu optional in Vynos
ukončenie účinnosti datasetu optional in Vynos
schému údajov datasetu optional in Vynos
popis typov položiek a podobne optional in Vynos
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