Linked Data for NGO - Andreas Blumauer
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Big Data for NGOs/NPOs„linked, not stirred“
Andreas BlumauerSemantic Web Companywww.semantic-web.at
October 9th, 2012
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Common interests. Common topics.
WaterManagement
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Common vocabulary? Common understanding?
Wastewatertreatment Wastewater
treatment
WaterManagement
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Globalisation + Localisation = Glocalisation
CertificationRating
(Europe) (U.S.)
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Common data? Questions in common?
Energy management policiesSearc
h
WaterManagement
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The Semantic Puzzle
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Big Data linked, not stirred
Which policies in the area of renewable energy have helped to initiate projects and programmes in the agricultural sector which finally have improved substantially the nutritional situation in a certain country?
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Linked Vocabularies
• Simple Knowledge Organisation System (SKOS) provides several properties for vocabulary linking (mapping):– skos:exactMatch– skos:closeMatch– skos:broadMatch– skos:narrowMatch– skos:relatedMatch
http://www.w3.org/TR/2009/REC-skos-reference-20090818/
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Example
SustainableDevelopment
Liquid hydrogen
Liquidhydrogen
storage
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Different contexts
http://susdev.net/thesaurus/1452
http://reegle.info/glossary/729
skos:exactMatch
prefLabel:liquid hydrogen storagebroader: storage technologiesrelated: absorption storage, hydrogen,
pressure accumulators
prefLabel:Liquid hydrogenaltLabel: Liquid H2broader: Hydrogen storage,
Hydrogen technologies related: Fuel efficiency, Fuel cell,
Liquefied natural gas
http://dbpedia.org/resource/Liquid_hydrogen skos:exactMatchskos:exactMatch
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Linked data alignment is key
Tools for (semi-)automatic linked data alignment:
•SILK - http://lod2.eu/Project/Silk.html •LIMES - http://lod2.eu/Project/LIMES.html •PoolParty Thesaurus Server - http://poolparty.biz/products/poolparty-thesaurus-manager/
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Querying third-party data in your own language
Liquid H2Searc
h
SustainableDevelopment
„liquid hydrogen storage“
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Querying your own data & third-party data as it were one single database
http://reegle.info/countries
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Querying structured data and unstructured data in one step
EnergyNews
Show me energy-related articles where countries or regions are mentioned whose wind power production has doubled over the last 10 years.
Federated SPARQL Queries
Energy statistics
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Example: reegle.info
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Linked Data creates values
© Semantic Web Company – http://www.semantic-web.at/ 20
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Semantic Web Company GmbHMariahilfer Strasse 70/81070 ViennaAustria
http://www.semantic-web.at/ http://poolparty.biz
http://twitter.com/semwebcompany
Andreas BlumauerManaging [email protected]
21© Semantic Web Company – http://www.semantic-web.at/
„I am happy about any comments – please contact us if you need further information on linked data!“