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Creating Knowledge out of Interlinked Data
LOD2 Presentation . 02.09.2010 . Page http://lod2.euAKSW, Universität Leipzig
Dimitris Kontokostas
DBpedia Mappings Crowd-sourcing
DBpedia is a community project, please see http://dbpedia.org for a List of contributors
07/04/2014 WWW 2014
Structure in Wikipedia
Title Abstract Infoboxes Geo-coordinates Categories Images Links
other language versions other Wikipedia pages To the Web Redirects Disambiguations
Structure in Wikipedia
Title Abstract Infoboxes Geo-coordinates Categories Images Links
other language versions other Wikipedia pages To the Web Redirects Disambiguations
Structure in Wikipedia
Title Abstract Infoboxes Geo-coordinates Categories Images Links
other language versions other Wikipedia pages To the Web Redirects Disambiguations
Structure in Wikipedia
Title Abstract Infoboxes Geo-coordinates Categories Images Links
other language versions other Wikipedia pages To the Web Redirects Disambiguations
Structure in Wikipedia
Title Abstract Infoboxes Geo-coordinates Categories Images Links
other language versions other Wikipedia pages To the Web Redirects Disambiguations
Structure in Wikipedia
Title Abstract Infoboxes Geo-coordinates Categories Images Links
other language versions other Wikipedia pages To the Web Redirects Disambiguations
Structure in Wikipedia
Title Abstract Infoboxes Geo-coordinates Categories Images Links
other language versions other Wikipedia pages To the Web Redirects Disambiguations
Infobox Templates
{{Infobox Korean settlement| title = Busan Metropolitan City| img = Busan.jpg| imgcaption = A view of the [[Geumjeong]] district in Busan| hangul = 부산 광역시...| area_km2 = 763.46| pop = 3635389| popyear = 2006| mayor = Hur Nam-sik| divs = 15 wards (Gu), 1 county (Gun)| region = [[Yeongnam]]| dialect = [[Gyeongsang]]}}
dbp:Busan dbp:title ″Busan Metropolitan City″dbp:Busan dbp:hangul ″ 부산 광역시″ @Hangdbp:Busan dbp:area_km2 ″763.46“^xsd:floatdbp:Busan dbp:pop ″3635389“^xsd:intdbp:Busan dbp:region dbp:Yeongnamdbp:Busan dbp:dialect dbp:Gyeongsang...
Wikitext-Syntax
RDF representation
Creating Knowledge out of Interlinked Data
KAIST – LOD2 16.8..2011 . Page http://lod2.eu10
A closer look at infoboxes
Creating Knowledge out of Interlinked Data
KAIST – LOD2 16.8..2011 . Page http://lod2.eu11
A closer look at infoboxes
Creating Knowledge out of Interlinked Data
KAIST – LOD2 16.8..2011 . Page http://lod2.eu12
A closer look at infoboxes
Creating Knowledge out of Interlinked Data
KAIST – LOD2 16.8..2011 . Page http://lod2.eu13
Björk (Musician)Occupation = Musician, ActorBorn = 21.12.1965, Reykjavík
Brown (Prime Minister)office = Prime Minister of the UKbirth_date = 20.4.1951birth_place = Govan
Romero (Actor)occupation = Actor, Editorbirthdate = 4.2.1940birthplace = New York
Creating Knowledge out of Interlinked Data
KAIST – LOD2 16.8..2011 . Page http://lod2.eu14
Björk (Musician)Occupation = Musician, ActorBorn = 21.12.1965, Reykjavík
Brown (Prime Minister)office = Prime Minister of the UKbirth_date = 20.4.1951birth_place = Govan
Romero (Actor)occupation = Actor, Editorbirthdate = 4.2.1940birthplace = New York
Creating Knowledge out of Interlinked Data
KAIST – LOD2 16.8..2011 . Page http://lod2.eu15
Björk (Musician)Occupation = Musician, ActorBorn = 21.12.1965, Reykjavík
Brown (Prime Minister)office = Prime Minister of the UKbirth_date = 20.4.1951birth_place = Govan
Romero (Actor)occupation = Actor, Editorbirthdate = 4.2.1940birthplace = New York
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Creating Knowledge out of Interlinked Data
DBpedia Community Meeting / Amsterdam 30.01.2014 http://lod2.eu
DBpedia – Collaborative Ontology Engineering
• Mappings Wiki• Crowdsource the ontology source as well as infobox type &
properies• http://mappings.dbpedia.org/• Everybody can contribute new mappings or improve existing ones• ~170 editors
• Correct Semantics:• Combine what belongs together (birth_place, birthplace)• Separate what is different (bornIn, birthplace)• Big boost for Precision
• Recall is crowdsourced - Help us! :)
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Creating Knowledge out of Interlinked Data
DBpedia Community Meeting / Amsterdam 30.01.2014 http://lod2.eu
DBpedia – Collaborative Ontology Engineering
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Creating Knowledge out of Interlinked Data
DBpedia Community Meeting / Amsterdam 30.01.2014 http://lod2.eu
DBpedia I18n – Mapping Activity
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Creating Knowledge out of Interlinked Data
DBpedia Community Meeting / Amsterdam 30.01.2014 http://lod2.eu
DBpedia I18n – Mapping Statistics (2013.02)
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Creating Knowledge out of Interlinked Data
DBpedia Community Meeting / Amsterdam 30.01.2014 http://lod2.eu
DBpedia I18n – Mapping Statistics (2013.02)
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Creating Knowledge out of Interlinked Data
DBpedia Community Meeting / Amsterdam 30.01.2014 http://lod2.eu
DBpedia I18n – Mapping Statistics (v3.8)
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Creating Knowledge out of Interlinked Data
LOD2 Presentation . 02.09.2010 . Page http://lod2.eu
Thank you for your attention!
DBpedia is a community project, please see http://dbpedia.org for a list of contributors.
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