making ISTAT data more valuable LinkedStat
LinkedStat: making ISTAT data more valuable
Jan 27, 2015
Speech on the project LinkedStat - http://linkedstat.spaziodati.eu during "Linked Open Data: where are we?" in Rome, held by W3C Italy.
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making ISTAT data more valuable
LinkedStat
WHO & WHY?
&
Bringing official Istat data into the Web of Data
PHASES OF THE PROJECT
• XSLT conversion tool from SDMX standard to RDF Datacube prototype
2012
first phase
2013
• Customization of XSLT Sarven Capadisli’s converter and Linked Data conversion of all I.Stat datawarehouse
• LinkedStat publication as Linked Data, with SPARQL endpoint
end first phase
2014
• Tutorials and use cases on LinkedStat
• From ★★★★☆ to ★★★★★ data: from
LinkedSTAT to LOD connections
second phase WORK IN PROGRESS
FIRST PHASEPUBLISH I.STAT AS LINKED DATA
Linked I.Stat
publication workflow
The RDF Datacube Vocabulary
150 millions of triples over 10 millions
of observations, accessible via a SPARQL
endpoint and a faceted browser.
RDF 4 stars data on
linkedstat.spaziodati.eu
OL
REOF
URI
@prefix qb: <http://purl.org/linked-data/cube#> .
!SELECT DISTINCT ?observation
WHERE {
?observation rdf:type qb:Observation .
?observation qb:dataSet <http://
linkedstat.spaziodati.eu/dataset/32_38> .
}
Querying LinkedStat Graph
SECOND PHASECONNECTING TO LOD
LINKING
Unemployment rateLINKEDSTAT
it.dbpedia.org/resource/DisoccupazioneDBPEDIA
USE CASES
Answering questions like “What political parties lead in the Italian regions with high use of mass
media in 2010?”
Integration of geographical entities
Fact Checking and data journalism
Disoccupazione
powered by LinkedStat
dataTXT NEX + LinkedStat
FUTURE DIRECTIONS
More use cases
More connections between different LOD sources and LinkedStat data
Examples of data-visualization
CREDITS & CONTACTS
Tatiana Tarasova
Vincenzo Patruno
Matteo Brunati
SpazioDati Team
ISTAT internal working group
Article designed by Desbenoit from the Noun Project
Italy designed by Juan Pablo Bravo from the Noun Project
Question designed by SuperAtic LABS from the Noun Project
Play designed by José Campos from the Noun Project
http://linkedstat.spaziodati.eu
Reuse enabled: ODBL license v.1.0
#LinkedStat
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