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Linked Open Data in Practice
FLAGIS Academic Session
May 12thLeuven
image: beeldbank.stad.gent
Thimo ThoeyeOpen Data ManagerStad Gent
[email protected]@tthoeye
What’s in a website?
What’s in a website?
Services
What’s in a website?
Services
News
What’s in a website?
Services
News
Events
What’s in a website?
Services
News
Events
Locations
Where does this information come from?
Where does it go?
Open Data
Linked Open Data
Why Linked Open Data?
“it gives me a headache just trying to think down to your level”
image: io9.com
Organising it
In computer science and information science, an ontology is a formal naming and definition of the types, properties, and interrelationships of the entities that really or
fundamentally exist for a particular domain of discourse
Organising it
http://lov.okfn.org
Ontologies and Vocabularies used in http://stad.gent
schema.org
OSLO
Core Public Service
Core Location
Core Business
Core Person
DCAT
Core Public Service
https://joinup.ec.europa.eu/asset/cpsv-ap/description
Core Public Service
Ontologies and Vocabularies used in http://stad.gent
schema.org
OSLO
Core Public Service
Core Location
Core Business
Core Person
DCAT
DCAT
DCAT
DCAT
http://data.stad.gent
DCAT
http://datatank.stad.gent/api/dcat
Representing it
Representing itRDF+XML
Representing itTurtle
Representing itJSON-LD
Representing itTurtleDCAT
Representing itTurtleDCAT
Putting it online
Architecture
Header: Content-type: text/html
F5
Architecture
Header: Accept: text/html
F5
Architecture
Header: Accept: application/rdf+xml
F5
Architecture
Header: Accept: application/rdf+xml
F5
Show me the data!
SPARQL Endpoint: http://stad.gent/sparql
Show me the data!
SPARQL Endpoint:
News items:
Products:
Manuals:
http://stad.gent/sparql
http://stad.gent/data/news/
http://stad.gent/data/products/
https://stad.gent/over-gent-en-het-stadsbestuur/over-gent/kaarten-cijfers-en-data/linked-open-data
Examples
Products for ecological companies:
Examples
Products for ecological companies:
Examples
Recent news items related relevant for a specific district
Examples
Recent news items related relevant for a specific district
Using it
