Linked open Vocabularies for Linked Open Data - the role of AGROVOC
Web at 25 - Ontos Linked Open Data
27
Date 22.05.2014 Linked Open Data Daniel Hladky Ontos AG and W3C Switzerland 1
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Slides about Linked Open Data as shown at the Web at 25 event on May 22, 2014 in Switzerland.
Transcript of Web at 25 - Ontos Linked Open Data
Date 22.05.2014
Linked Open Data
Daniel Hladky Ontos AG and W3C Switzerland
1
Date 22.05.2014 2
March 1989
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You might have seen this
Date 22.05.2014
5 Star Pyramid of Open Data
(Dr M. Hausenblas, DERI)
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W3C Data Activity Group
Date 22.05.2014
¤ AT – Renewable Energy and Energy Efficiency Partnership (REEEP)
¤ DE – German National Library (DNB)
¤ EU – Europeana
¤ EU – European Environment Agency (EEA)
¤ UK – BBC
¤ UK – National Archives
¤ US – Various Governmental Organisations
¤ US – New York Times
¤ CH – Swiss Open Government Data
¤ CH – Open Data Zürich
6
Case Studies (excerpt)
Date 22.05.2014
Data.gov and Mashups
Date 22.05.2014
E.g. Chicago - https://data.cityofchicago.org/
http://www.slideshare.net/kevinhauswirth/chicago-social-tech-open-data
Date 22.05.2014 9
Open Data Switzerland
Applications
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ENEL Open Datasets
http://data.enel.com/
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SNCF
http://ressources.data.sncf.com/explore/
Date 22.05.2014
NYTIMES, BBC, Guardien, AP etc.
12
Digital News and Semantics
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How to do it
Date 22.05.2014
OntoQuad SPARQL RDF Store
Structured data sources like CSV, XLS, RDBMS
Unstructured text document sources like HTML
Extraction and conversion tools
Data storages
LOD Cloud
SPARQL endpoint Datasets
RDBMS
BI, Reporting, Analisys
Linked Data Stack
Date 22.05.2014
Inter-linking/ Fusing
Classifi-cation/
Enrichment
Quality Analysis
Evolution / Repair
Search/ Browsing/
Exploration
Extraction
Storage/ Querying
Manual revision/ authoring
Linked Data Life-Cycle
http://iswc2012.semanticweb.org/sites/default/files/76500001.pdf
Managing the Life-Cycle of Linked Data with the LOD2 Stack
Date 22.05.2014 16
Ontos LD Information Workbench
Inter-linking/ Fusing
Classifi-cation/
Enrichment
Quality Analysis
Evolution / Repair
Search/ Browsing/
Exploration
Extraction
Storage/ Querying
Manual revision/ authoring
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Ontos LD Information Workbench
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OntosLDIW - Authoring
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OntosLDIW
Date 22.05.2014 20
OntosLDIW – Triple Store
“OntoQUAD – Native High-Speed RDF DBMS for Semantic Web” J. Unbehauen, D. Hladky, G. Drobjazko et all KESW2013 paper
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OntosLDIW – Linking & Fusion
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OntosLDIW – Linking & Fusion
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OntosLDIW - Exploration
PREFIX dbpedia-owl: <http://dbpedia.org/ontology/> PREFIX dbpprop: <http://dbpedia.org/property/> PREFIX dbres: <http://dbpedia.org/resource/> SELECT ?y WHERE { ?y dbpedia-owl:binomialAuthority dbres:Johan_Christian_Fabricius. } limit 10
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OntosLDIW - Exploration
Date 22.05.2014 25
Linked Enterprise Data
Sugar CRM
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Inside View based on LD
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The 5 Star Benefits of LOD
E-Mail [email protected]
More efficiency, better provision of the public or commercial task
Greater flexibility leads to lower cost for future projects
New Services, new discoveries, new connections
Improved navigation within and between datasets
Other people can build apps based on your data
