Slides about Linked Open Data as shown at the Web at 25 event on May 22, 2014 in Switzerland.

1. Date 22.05.2014
Linked Open Data
Daniel Hladky
Ontos AG and W3C Switzerland
1

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March 1989

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You might have seen this

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5 Star Pyramid of Open Data
(Dr M. Hausenblas, DERI)

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W3C Data Activity Group

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¤ 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)

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Data.gov and Mashups

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E.g. Chicago -
https://data.cityofchicago.org/
http://www.slideshare.net/kevinhauswirth/chicago-social-tech-open-data

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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/

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NYTIMES, BBC, Guardien, AP etc.
12
Digital News and Semantics

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How to do it

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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

15. 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

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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

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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

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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 daniel.hladky@ontos.com
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