Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
Digital Enterprise Research Institute                                                                            www.deri....
DatasetDigital Enterprise Research Institute                                               www.deri.ie                    ...
Machine AccessibleDigital Enterprise Research Institute                                           www.deri.ie   https://sc...
Eg1 – Federated CatalogDigital Enterprise Research Institute                                    www.deri.ie               ...
Eg2 - Advanced queries                                   against/across catalogsDigital Enterprise Research Institute     ...
DcatDigital Enterprise Research Institute                                                www.deri.ie                http:/...
Status of dcatDigital Enterprise Research Institute                                     www.deri.ie            Being work...
Who is using dcat?Digital Enterprise Research Institute                                    www.deri.ie            data.go...
Dcat as RDFa (1/2)Digital Enterprise Research Institute                                        www.deri.ie   <div class=“m...
Dcat as RDFa (2/2)Digital Enterprise Research Institute                                     www.deri.ie<div class="metadat...
DistillingDigital Enterprise Research Institute                                  www.deri.ie             http://www.w3.org...
Upcoming SlideShare
Loading in …5
×

Dcat - Machine Accessible Data Catalogues

1,147 views

Published on

Published in: Education, Technology
  • Be the first to comment

Dcat - Machine Accessible Data Catalogues

  1. 1. Digital Enterprise Research Institute www.deri.ie Dcat Machine Accessible Catalogue Fadi Maali Copyright 2011 Digital Enterprise Research Institute. All rights reserved. Enabling Networked Knowledge
  2. 2. DatasetDigital Enterprise Research Institute www.deri.ie http://www.dublinked.ie/datastore/index.php Enabling Networked Knowledge
  3. 3. Machine AccessibleDigital Enterprise Research Institute www.deri.ie https://scraperwiki.com/scrapers/dublinked_datasets/ Enabling Networked Knowledge
  4. 4. Eg1 – Federated CatalogDigital Enterprise Research Institute www.deri.ie Enabling Networked Knowledge
  5. 5. Eg2 - Advanced queries against/across catalogsDigital Enterprise Research Institute www.deri.ie  All CSV datasets that is published by the city council and was updated in the last week  All XML datasets that are about education and published by a local authority Enabling Networked Knowledge
  6. 6. DcatDigital Enterprise Research Institute www.deri.ie http://dvcs.w3.org/hg/gld/raw-file/default/dcat/index.html Enabling Networked Knowledge
  7. 7. Status of dcatDigital Enterprise Research Institute www.deri.ie  Being worked on at the W3C Government Linked Data Working Group  Will (hopefully) be put on the W3C standardization track  Goal: when someone wants to publish catalogue data in RDF, dcat will be his choice  more adoption  more usefulness  more adoption  more usefulness … Enabling Networked Knowledge
  8. 8. Who is using dcat?Digital Enterprise Research Institute www.deri.ie  data.gov.uk (RDFa) http://data.gov.uk/dataset/financial-transactions-data-the- pennine-acute-hosiptals-nhs-trust-0  semantic.ckan.net (SPARQL endpoint) http://semantic.ckan.net/snorql/  Publicdata.eu (RDFa, SPARQL) http://publicdata.eu/dataset/02-bve-onderwijspersoneel- in-fte--ministerie-van-ocw  Barcelona, Gijón, Catalonia, Balearic Islands, Saragossa Enabling Networked Knowledge
  9. 9. Dcat as RDFa (1/2)Digital Enterprise Research Institute www.deri.ie <div class=“metadata” <div class=“metadata” > about="http://www.dublinked.ie/dataset/126" typeof="dcat:Dataset" > <div class="metadata-line"> <div class="metadata-line"> <div class="metadata-tag">Title</div> <div class="metadata-tag">Title</div> <div class="metadata-content">Objective_A1</div> </div> class="metadata-content“ property="dct:title">Objective_A1</div> <div </div> </div> </div> http://www.dublinked.ie/datastore/metadata031.php Enabling Networked Knowledge
  10. 10. Dcat as RDFa (2/2)Digital Enterprise Research Institute www.deri.ie<div class="metadata-line"> <div class="metadata-tag">Download Links</div><div class="metadata-line"> <div class="metadata-content“ rel="dcat:distribution" > <div typeof="dcat:Distribution" rel="dcat:accessURL" <a class="metadata-tag">Download Links</div> <divproperty="dct:format" content=“shx" class="metadata-content“> <ahref="http://www.dublinked.ie/...filename...1246.shx"></a> href="http://www.dublinked.ie/...filename...1246.shx"></a> </div> </div></div></div> Enabling Networked Knowledge
  11. 11. DistillingDigital Enterprise Research Institute www.deri.ie http://www.w3.org/2007/08/pyRdfa/ Enabling Networked Knowledge

×