2014.12 - let's disco (eddi 2014)
DESCRIPTION
Let's DiscoTRANSCRIPT
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Slidesharehttp://de.slideshare.net/boschthomas
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Questions?Please don‘t hesitate!
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asbig as
DDI-L?
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Disco Spechttps://github.com/linked-statistics/
disco-spec/blob/master/discovery.html
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Triple Storehttp://multiweb.gesis.org/openrdf-
workbench/repositories/discotest/summary
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Why Disco?
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Why DDI as Linked Data?
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Use Case
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Where
to search for
data?
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Which
microdata does exist
according to specific
metadata?
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Which datasetsare associated with the
microdata?
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Which
aggregated data according to specific
metadata does exist?
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Which datasetsare associated with
aggregated data?
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From which
microdata datasets is the aggregated dataset
derived?
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Which
summary statistics does a
variable have?
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Which
category statistics does a
variable representation have?
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Which microdata datasets are created
by the research institute 'GESIS'?
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Overview
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SeriesStudies
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Series
Series title: CIS
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Study
Study title: EU-LFS 1991
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Agents
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IdentificationVersioning
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ddi:study
a disco:Study;
dcterms:title
"National Population and
Housing Census, 1980"@en;
adms:identifier [
a adms:Identifier;
skos:notation
"us:ddi:us.mpc:ARG_1980_PHC_v01_A_IPUMS:1";
adms:schemaAgency "DDI Alliance"@en.
].
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ddi:study
a disco:Study ;
dcterms:creator [
rdfs:label
"Minnesota Population Center"@en ;
skos:notation "MPC“ ;
adms:identifier [
a adms:Identifier ;
skos:notation "us.mpc“ ;
adms:schemaAgency
"DDI Alliance"@en ] ] .
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Coverage
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Spatial Coverage
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<urn:ddi:de.gesis:study_EU-SILC-2005:0.1>
a disco:Study ;
dcterms:title
"EU-SILC 2005"@en ;
skos:prefLabel "2005"@en ;
dcterms:spatial
<http://sws.geonames.org/2782113> ,
... ,
:AllCountriesOfStudy ;
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:AllCountriesOfStudy
a dcterms:Location ,
missy:Country;
rdfs:label
"all countries of study";
missy:code "" .
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Countries
Study: EU-LFS 2004
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Temporal Coverage
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<urn:ddi:de.gesis:study_EU-SILC-2005:0.1>
a disco:Study ;
dcterms:title "EU-SILC 2005"@en ;
skos:prefLabel "2005"@en ;
dcterms:temporal
<urn:ddi:de.gesis:0ba9b4f3-ec22-
4471-8ffa-a38e8ada187a:0.1> ;
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<urn:ddi:de.gesis:0ba9b4f3-ec22-4471-
8ffa-a38e8ada187a:0.1>
a disco:PeriodOfTime ;
dcterms:date
"Jan 1, 2005 12:00:00 AM"^^xsd:date .
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Year
Study title:
'Structure of Earnings Survey – 2006'
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Topical Coverage
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missy:PB100
a disco:Variable
dcterms:subject [
a skos:Concept ;
skos:notation
"Quarter of the personal
interview"@en ] .
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Topical Coverage
Variable ID:
<urn:ddi:de.gesis:variable_EU-SILC-2010-panel-p-data-2010_rev2-PB020:0.1>
Variable name:
'PB020'
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Thematic Classification
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:thematicClassification
a skos:ConceptScheme ;
skos:hasTopConcept
:concept1 ,
:concept2 ,
:concept3 .
Series-Level
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:superConcept
a skos:Concept ;
skos:notation
"Demographic background"@en ;
skos:narrower
:subConcept1 ,
:subConcept2 .
Narrower Concepts
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Direct Broader Concepts
Concept:
'Country'@en
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All (Direct + Indirect) Broader Concepts
Concept:
'Country'@en
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Direct Narrower Concepts
Concept: "Type of cooperation"@en
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All (Direct + Indirect) Narrower Concepts
Concept: "Type of cooperation"@en
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Top Concepts
Series: EU-SILC
Thematic Classification:
<urn:ddi:de.gesis:7bb54a91-4b26-4f6e-a1b7-be48cb58be24:0.1>
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2-Level Concepts
Series: EU-SILC
Thematic Classification:
<urn:ddi:de.gesis:7bb54a91-4b26-4f6e-a1b7-be48cb58be24:0.1>
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Lowest-Level Concepts (Leaf Concepts)
Series: EU-SILC
Thematic Classification:
<urn:ddi:de.gesis:7bb54a91-4b26-4f6e-a1b7-be48cb58be24:0.1>
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Data SetsData Files
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Data Sets
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All Data Sets (IDs)
Study: EU-SILC 2010
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Data Files
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:dataFile
a disco:Datafile ;
dcterms:identifier
"ARG1900-P-H.dat“ ;
dcterms:description
"Person records"@en ;
disco:caseQuantity 2667714 ;
dcterms:format "ascii“ ;
dcterms:provenance
"Minnesota Population Center"@en ;
owl:versionInfo
"Version 1.0, IPUMS sample"@en .
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:dataFile
a disco:Datafile ;
dcterms:spatial [
a dcterms:Location ;
rdfs:label
"Argentina, national coverage"@en];
dcterms:temporal :periodOfTime .
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Controlled Vocabularies
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Variables
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ddi:AR80A401
a disco:Variable ;
skos:notation "AR80A401“ ;
skos:prefLabel "Sex"@en ;
disco:basedOn ddi:SexVD ;
disco:question ddi:QuestionGender .
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ddi:SexVD
a disco:RepresentedVariable ;
disco:universe ddi:UniversePerson ;
disco:representation ddi:SexRepr ;
disco:concept ddi:IpumsC1 ;
skos:prefLabel "Sex"@en ;
dcterms:description
"Sex data element"@en.
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missy:PB100
a disco:Variable ;
skos:notation "PB100" ;
skos:prefLabel
"Quarter of the personal
interview"@en ;
skos:concept :concept ;
disco:question :question .
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Variables (Names + Labels)
Data Set:
EI-SILC 2010 cross-sec p-data
Data Set (ID):
<urn:ddi:de.gesis:logicalDataSet_EU-SILC-2010-cross-sec-p-data-2010_rev3:0.1>
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Variable Concept
Data Set:EI-SILC 2010 cross-sec p-data
Data Set (ID):<urn:ddi:de.gesis:logicalDataSet_EU-SILC-2010-cross-sec-p-data-2010_rev3:0.1>Variable Name:
PB010
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Study
Data Set
Variable label
Variable name: 'AGE'
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Topical Coverage
Variable name:
B21
Study:
"Structure of Earnings Survey - 2006"@en
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Variables having no concepts
Study title:
EU-SILC 2006
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VariableRepresentation
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Valid Codes and Categories
missy:1
a skos:Concept ;
skos:notation "1" ;
skos:prefLabel
"January,February,March" ;
disco:isValid true .
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Invalid Codes and Categories
missy:Missing
a skos:Concept ;
skos:notation "M" ;
skos:prefLabel "Missing" ;
disco:isValid false .
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Variable - Variable Representation
missy:PB100
a disco:Variable ,
missy:Variable ;
skos:notation 'PB100' ;
disco:representation
:representationPB100 .
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Variable Representation
:representationPB100
a disco:Representation ,
skos:OrderedCollection ;
skos:memberList (
missy:1
missy:2
missy:3
missy:4
missy:Missing ) .
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Variable Representation
Codes and Categories
Variable:
missy:PB100
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Descriptive Statistics
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Summary Statistics
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missy:Minimum
a disco:SummaryStatistics ,
missy:SummaryStatistics;
disco:statisticsVariable
missy:PB100 ;
missy:country
:AllCountriesOfStudy ;
disco:summaryStatisticType
ddicv-sumstats:Minimum ;
rdf:value "1".
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Spatial Coverage of Study
:AllCountriesOfStudy
a dcterms:Location ,
missy:Country;
rdfs:label
"all countries of study";
missy:code "" .
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missy:Minimum
a disco:SummaryStatistics ,
missy:SummaryStatistics;
disco:statisticsVariable
missy:PB100 ;
missy:country
<http://sws.geonames.org/2921044> ;
disco:summaryStatisticType
ddicv-sumstats:Minimum ;
rdf:value "1".
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missy:Maximum
a disco:SummaryStatistics ,
missy:SummaryStatistics;
disco:statisticsVariable
missy:PB100 ;
missy:country
:AllCountriesOfStudy ;
disco:summaryStatisticType
ddicv-sumstats:Maximum ;
rdf:value "4".
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missy:Mean
a disco:SummaryStatistics ,
missy:SummaryStatistics;
disco:statisticsVariable
missy:PB100 ;
missy:country
:AllCountriesOfStudy ;
disco:summaryStatisticType
ddicv-sumstats:ArithmeticMean ;
rdf:value "2.17".
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missy:StandardDeviation
a disco:SummaryStatistics ,
missy:SummaryStatistics;
disco:statisticsVariable
missy:PB100 ;
missy:country
:AllCountriesOfStudy ;
disco:summaryStatisticType
ddicv-sumstats:StandardDeviation ;
rdf:value "0.9061".
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missy:ValidCases
a disco:SummaryStatistics ,
missy:SummaryStatistics;
disco:statisticsVariable
missy:PB100 ;
missy:country
:AllCountriesOfStudy ;
disco:summaryStatisticType
ddicv-sumstats:ValidCases ;
rdf:value "470950".
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missy:PercentOfValidCases
a disco:SummaryStatistics ,
missy:SummaryStatistics;
disco:statisticsVariable
missy:PB100 ;
missy:country
:AllCountriesOfStudy ;
disco:summaryStatisticType
ddicv-sumstats:PercentOfValidCases ;
rdf:value "99.1".
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missy:InvalidCases
a disco:SummaryStatistics ,
missy:SummaryStatistics;
disco:statisticsVariable
missy:PB100 ;
missy:country
:AllCountriesOfStudy ;
disco:summaryStatisticType
ddicv-sumstats:InvalidCases ;
rdf:value "4195".
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missy:PercentOfInvalidCases
a disco:SummaryStatistics ,
missy:SummaryStatistics;
disco:statisticsVariable
missy:PB100 ;
missy:country
:AllCountriesOfStudy ;
disco:summaryStatisticType
ddicv-sumstats:ValidCases ;
rdf:value "0.9".
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Variable Pointing to Summary Statistics
missy:PB100
a disco:variable ,
missy:Variable ;
missy:summaryStatistics (
missy:Minimum
missy:Minimum_DE
missy:Maximum
missy:Maximum_DE
… )
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Summary Statistics: Minimum
Variable:
missy:PB100
Spatial Coverage:
all countries of study
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Summary Statistics: Valid Cases
Variable:
missy:PB100
Spatial Coverage: DE
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Category Statistics
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Valid Codes and Categories
missy:2
a skos:Concept , missy:Concept ;
skos:notation "2" ;
skos:prefLabel
"April, May, June" ;
disco:isValid true ;
missy:categoryStatistics (
missy:CS_2_AllCountries
missy:CS_2_DE ) .
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Invalid Codes and Categories
missy:Missing
a skos:Concept , missy:Concept ;
skos:notation "M" ;
skos:prefLabel "Missing" ;
disco:isValid false ;
missy:categoryStatistics (
missy:CS_M_AllCountries ) .
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Valid Cases
missy:CS_2_AllCountries
a disco:CategoryStatistics ,
missy:CategoryStatistics ;
disco:statisticsCategory missy:2 ;
missy:country
:AllCountriesOfStudy ;
disco:frequency 243708 ;
disco:percentage 51.3 ;
disco:cumulativePercentage 51.7 ;
disco:computationBase "valid" .
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Invalid Cases
missy:CS_M_AllCountries
a disco:CategoryStatistics ,
missy:CategoryStatistics ;
disco:statisticsCategory
missy:Missing ;
missy:country
:AllCountriesOfStudy ;
disco:frequency 4195 ;
disco:percentage 0.9 ;
disco:computationBase "invalid" .
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Category Statistics:
Frequency ( Invalid Cases)
Variable: missy:PB100
Spatial Coverage: All Countries of Study
Code: missy:Missing
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Category Statistics:
Cumulative Percentage ( Valid Cases)
Variable: missy:PB100
Spatial Coverage: DE
<http://sws.geonames.org/2921044>
Code: missy:2
Category Label: 'April, May, June'
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Data Collection
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:variableYearOfBirth
a disco:Variable
skos:notation "RB080" ;
skos:prefLabel "Year of birth"@en ;
dcterms:subject :concept ;
disco:question :questionYearOfBirth.
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:questionYearOfBirth
a disco:Question ;
disco:questionText
"What is your date of birth?"@en .
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Variable Question
Data Set:EI-SILC 2010 cross-sec p-data
Data Set (ID):<urn:ddi:de.gesis:logicalDataSet_EU-SILC-2010-cross-sec-p-data-2010_rev3:0.1>Variable Name:
PB010
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Variables
Series:
EU-SILC 2005
Question text:
'What is your date of birth?'@en
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Relationships to other Vocabularies
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PHDD
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Mapping DDI-XML to Disco
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DDI 4
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DDI 4• Model-driven further development of DDI
• Model generate multiple representations(OWL, XSD, Java, RDB, …)
• Functional views are published in a step by step manner
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Disco + DDI 4
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Do Not Wait for DDI 4!• Own functional view for disco
• Mapping: disco DDI 4 (OWL representation)
• Easy migration
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Let‘s Disco Now!
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Acknowledgements
26 experts from the statistical community and the Linked Data community comingfrom 12 different countries contributed to this work. They were participating inthe events mentioned below.
• 1st workshop on 'Semantic Statistics for Social, Behavioural, and EconomicSciences: Leveraging the DDI Model for the Linked Data Web' at SchlossDagstuhl - Leibniz Center for Informatics, Germany in September 2011
• Working meeting in the course of the 3rd Annual European DDI Users GroupMeeting (EDDI11) in Gothenburg, Sweden in December 2011
• 2nd workshop on 'Semantic Statistics for Social, Behavioural, and EconomicSciences: Leveraging the DDI Model for the Linked Data Web' at SchlossDagstuhl - Leibniz Center for Informatics, Germany in October 2012
• Working meeting at GESIS - Leibniz Institute for the Social Sciences inMannheim, Germany in February 2013