karma: tools for publishing cultural heritage data in the linked open data cloud
TRANSCRIPT
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Karma: Tools for Publishing Cultural Heritage Data as LODPedro Szekely and Craig KnoblockInformation Sciences Institute, University of Southern California
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“Linked” Open Data
Pedro Szekely
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“Linked” Open Data
✔
✖
Pedro Szekely
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Linked Open Data
Pedro Szekely
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Linked Open Data
Pedro Szekely
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Steps to Create Linked Data
• Select ontologies… that define classes and properties for our data
• Convert data to RDF… from the museum database to the ontologies
• Identify links to other Linked Data datasets… to other museums and Link Data hubs
Pedro Szekely
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step 1:select and extend
ontologies
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Ontologies
edm:ProvidedCHOaac:CulturalHeritageObject
skos:Concept
skos:Concept
edm:hasType
skos:narrower
skos:prefLabelskos:prefLabel
saam:objectIddcterms:date
dcterms:provenance
dcterms:rights
dcterms:subject
dcterms:medium
dcterms:title
dcterms:description
dcterms:creator
ore:Aggregationedm:EuropeanaAggregation
crm:E89_Propositional_Object
edm:WebResourceedm:aggregatedCHO
edm:hasView
edm:Agent/crm:E39_Actor, foaf:Personaac:Person
skos:altLabel
rdaGr2:dateOfDeath
rdaGr2:biographicalInformation
rdaGr2:placeOfBirth
rdaGr2:placeOfDeath
rdaGr2:dateAssociatedWithThePerson
edm:Place/crm:E53_Placeaac:Place
aac:associatedPlace
schema:PostalAddressschema:addressCountryschema:addressLocality
schema:addressRegionschema:address
skos:prefLabel
schema:Country
schema:name
dcterms:format
rdaGr2:dateOfBirth
skos:prefLabel
8,261
44,027
20,077
41,267
15,573
41,267
15,573268
saam:objectNumber
saam:constituentId
dcterms:created
Pedro Szekely
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step 2:Convert Data to RDF
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Karma: Converts Your Data to Linked Data
KARMA
Pedro Szekely
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Karma in Action
Pedro Szekely
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demo
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DMA Sample Linked Data…
dma:object_1982_35 a aac:CulturalHeritageObject ; aac:objectId "1982.35" ; dcterms:creator dma:person_John_Singer_Sargent ; dcterms:format "61.28 x 50.17 cm" ; dcterms:identifier "4,137,988" ; dcterms:medium "Oil on canvas" ; dcterms:rights "Dallas Museum of Art, gift of the Leland Fikes Foundation, Inc." ; dcterms:title "Dorothy" ; dcterms:type "Paintings" ; schema:endDate "1900" ; schema:startDate "1900” .
dma:person_John_Singer_Sargent a aac:Person ; ont0:dateOfBirth "1856" ; ont0:dateOfDeath "1925" ; foaf:name "John Singer Sargent" .
…
Pedro Szekely
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step 3:identify links
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Multiple “John Singer Sargent”ima:Singer_Sargent_John a aac:Person ; dct:date "1856-1925" ; foaf:name "John Singer Sargent" .
saam:person_4253 a aac:Person ; saam:associatedPlace saam:SaamPlace_1357324439768t1r13950_0, saam:SaamPlace_1357324439768t1r13951_0 ; saam:constituentId "4253" ; rdaGr2:biographicalInformation “Painter. Sargent traveled …" ; rdaGr2:dateAssociatedWithThePerson "1990-10-1”, "1995-5-8" ; rdaGr2:dateOfBirth "1856-1-12" ; rdaGr2:dateOfDeath "1925-4-15" ; rdaGr2:placeOfBirth saam:SaamPlace_1357324439768t1r13952_0 ; rdaGr2:placeOfDeath saam:SaamPlace_1357324439768t1r13953_0 ; skos:altLabel "John S. Sargent" ; skos:prefLabel "John Singer Sargent" .
cb:12_4567 a aac:Person ; ont0:dateOfBirth "1879", "1885" ; ont0:dateOfDeath "1925" ; skos:prefLabel "John Singer Sargent" .
met:person_1893_3819 a aac:Person ; ont0:placeOfResidence "North and Central America", "United States" ; foaf:name "John Singer Sargent" .
dma:person_John_Singer_Sargent a aac:Person ; ont0:dateOfBirth "1856" ; ont0:dateOfDeath "1925" ; foaf:name "John Singer Sargent" .
Pedro Szekely
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John Singer Sargentima:SaamPerson_John_Singer_Sargent a aac:Person ; dct:date "1856-1925" ; foaf:name "John Singer Sargent" .
aac:Person_4253 a aac:Person ; saam:associatedPlace saam:SaamPlace_1357324439768t1r13950_0, saam:SaamPlace_1357324439768t1r13951_0 ; saam:constituentId "4253" ; rdaGr2:biographicalInformation “Painter. Sargent traveled …" ; rdaGr2:dateAssociatedWithThePerson "1990-10-1”, "1995-5-8" ; rdaGr2:dateOfBirth "1856-1-12" ; rdaGr2:dateOfDeath "1925-4-15" ; rdaGr2:placeOfBirth saam:SaamPlace_1357324439768t1r13952_0 ; rdaGr2:placeOfDeath saam:SaamPlace_1357324439768t1r13953_0 ; skos:altLabel "John S. Sargent" ; skos:prefLabel "John Singer Sargent" .
cb:SaamPerson_John_Singer_Sargent a aac:Person ; ont0:dateOfBirth "1879", "1885" ; ont0:dateOfDeath "1925" ; skos:prefLabel "John Singer Sargent" .
met:SaamPerson_John_Singer_Sargent a aac:Person ; ont0:placeOfResidence "North and Central America", "United States" ; foaf:name "John Singer Sargent" .
dallas:SaamPerson_John_Singer_Sargent a aac:Person ; ont0:dateOfBirth "1856" ; ont0:dateOfDeath "1925" ; foaf:name "John Singer Sargent" .
Pedro Szekely
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Linking “John Singer Sargent”
saam:person_4253 owl:sameAs cb:12_4567 ; owl:sameAs dma:person_John_Singer_Sargent ; owl:sameAs ima:Singer_Sargent_John ; owl:sameAs met:SaamPerson_John_Singer_Sargent ; owl:sameAs dbpedia:John_Singer_Sargent ; owl:sameAs nytimes/N49129220686803623753 ; owl:sameAs w-flick/John_Singer_Sargent ; ....
Pedro Szekely
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Linking with Karma
Pedro Szekely
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Results of Automatic Linking
DBPedia 2,194 New York Times 70
ULAN 2,110Rijksmuseum 551
Pedro Szekely
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Summary
Pedro Szekely