Wikidata presentation at SemTechBiz Berlin 2012

WikidataThe next big thing for WikipediaSemTechBiz Berlin, February 2012Denny VrandečićKIT Karlsruhe Institute of Technology / Wikimedia DeutschlandInstitut AIFB – Angewandte Informatik und Formale BeschreibungsverfahrenKIT – University of the State of Baden-Württemberg andNational Large-scale Research Center of the Helmholtz Association www.kit.edu

07.02.2012 Wikidata Denny Vrandečić2

Imagine a world in which every single person is given free access to the sum of all human knowledge. 07.02.2012 Wikidata 3 Denny Vrandečić3

about 500 Million views per day 07.02.2012 Wikidata Denny Vrandečić4

Top 200 Website 12M+ media files All free to use 07.02.2012 Wikidata Denny Vrandečić7

20M+ articles 1B+ edits 07.02.2012 Wikidata 280+ languages Denny Vrandečić13

Coverage by language English, German, French, Dutch: 1 Mio+ 40 languages: 100,000+ 107 languages: 10.000+ But what about other languages? 07.02.2012 Wikidata Denny Vrandečić14

English 07.02.2012 Wikidata Denny Vrandečić15

French 07.02.2012 Wikidata Denny Vrandečić16

Italian 07.02.2012 Wikidata Denny Vrandečić17

Catalan 07.02.2012 Wikidata Denny Vrandečić18

Greek 07.02.2012 Wikidata Denny Vrandečić19

Russian 07.02.2012 Wikidata Denny Vrandečić20

Chinese 07.02.2012 Wikidata Denny Vrandečić21

What Wikipedia knows Wikipedia has articles about… … all cities … their populations … their mayorsSo can I ask for a list of the world’s ten largest cities with a female mayor? 07.02.2012 Wikidata Denny Vrandečić22

Let’s see what happens… 07.02.2012 Wikidata Denny Vrandečić 23

WIKIPEDIA’S ANSWER: LISTS 07.02.2012 Wikidata Denny Vrandečić24

COMPUTERS ARE STUPID 07.02.2012 Wikidata Denny Vrandečić41

What humans see 07.02.2012 Wikidata Denny Vrandečić42

What humans seeBerlin ... has a population of 3,490,445 ... is located inGermany ... has mayorKlaus Wowereit ... has an area of 892 km2 07.02.2012 Wikidata Denny Vrandečić43

What computers see 07.02.2012 Wikidata Denny Vrandečić44

What computers seeBerlin 3,490,445 Germany 892 km2 07.02.2012 Wikidata Denny Vrandečić45

COMPUTERS DON‘T MAKE CONNECTIONS 07.02.2012 Wikidata Denny Vrandečić46

COMPUTERS NEED OUR HELP 07.02.2012 Wikidata Denny Vrandečić47

Berlin edit From Wikidata Capital of Germany edit Main page Also known as: City of Berlin edit |x Contents Access the API Random page Continent Europe [3 sources] Donate to Wikidata Country Germany [2 sources] Interaction Help Population 3,490,445 [1 source] About Wikidata Community portal 3,500,000 [2 sources] Recent changes [other values] Languages Catalá Cesky Calling code 030 [2 sources] Dansk Deutsch Mayor Klaus W| [0 sources] Eesti Klaus Wowereit Español Vehicle registration BGerman politician [1 source] Esperanto Klaus Wunderlich Français German musician Area 891.85km” [2 sources] Hrvatski Klaus Waldeck Italiano Austrian musician and former lawyer O’zbek Twin city Los Angeles [3 sources] Klaus Wagner Complete list German mathematician [new fact] Klaus Wagner Stalker of the British Royal Family 07.02.2012 Wikidata Denny Vrandečić48

Berlin edit From Wikidata Hauptstadtvon Deutschland edit Hauptseite Auchbekanntals:Stadt Berlin edit |x Inhalt API ZufälligeSeite Kontinent Europa [3 sources] Spende an Wikidata Land Deutschland [2 sources] Interaktion Hilfe Einwohner 3.490.445 [1 source] ÜberWikidata Benutzerportal 3.500.000 [2 sources] LetzeÄnderungen [weitereWerte] Sprachen Catalá Cesky Telefonvorwahl 030 [2 sources] Dansk Eesti Bürgermeister Klaus Wowereit [2 sources] English Español AmtlichesKennzeichen B [1 source] Esperanto Français Fläche 891,85 km” [2 sources] Hrvatski Italiano O’zbek Parnerstadt Los Angeles [3 sources] Complete list [new fact] 07.02.2012 Wikidata Denny Vrandečić49

Berlin Continent Europe.Berlin Country Germany.Berlin Population 3490445.Berlin Calling_code 030.Berlin Vehicle_registration B.Berlin Mayor Klaus_Wowereit.Berlin Twin_cityLos_Angeles. 07.02.2012 Wikidata Denny Vrandečić50

Klaus Wowereit Mayor Berlin 07.02.2012 Wikidata Denny Vrandečić51

WikiData Provide a database of the world’s knowledge that anyone can edit Collect references and quotes for millions of data items Engage a sustainable community that collects data from everywhere in a machine-readable way Increase the quality and lower the maintenance costs of Wikipedia and related projects Deliver software and community best practices enabling others to engage in projects of data collection and provisioning 07.02.2012 Wikidata Denny Vrandečić52

Extracts facts from Wikipedia infoboxes Publishes them in RDF Shows potential of machine-readable data 07.02.2012 Wikidata Denny Vrandečić53

Secondary database Sources for every fact Reflect diversity 07.02.2012 Wikidata Denny Vrandečić55

Project plan: 3 phases Phase 1: Language links Phase 2: Infobox augmentation Phase 3: Inline queries 07.02.2012 Wikidata Denny Vrandečić57

Phase 1: Language links Current: every language links to every other In Wikidata: create one page for each entity, list representations in each language In Wikipedias: pull language links from Wikidata 07.02.2012 Wikidata Denny Vrandečić58

Phase 2: Infobox augmentation Current: each article calls an infobox with values In Wikidata: centralize the values In Wikipedias: just call the infobox and populate it with values from Wikidata 07.02.2012 Wikidata Denny Vrandečić59

Phase 3: Inline queries Enable inline queries in Wikipedias With several formats 07.02.2012 Wikidata Denny Vrandečić60

Open source project 400+ users NASA, Europeana, Deut sche Telekom, … 20+ languages World-wide community Commercial support Many extensions semantic-mediawiki.org 07.02.2012 Wikidata Denny Vrandečić61

Conclusions Editable, common resource for data Enables much smaller contribution size Freely reusable, machine-readable data Able to answer question Available in 280+ languages 07.02.2012 Wikidata Denny Vrandečić63

Imagine a world in which every single person is given free access to the sum of all human knowledge. 07.02.2012 Wikidata 64 Denny Vrandečić64

Thank you! http://meta.wikipedia.org/wiki/Wikidata_WMDE Institut AIFB – Angewandte Informatik und Formale Beschreibungsverfahrenpresenting work done by Markus Krötzsch, YaronKoren, Daniel Kinzler,QamarnisoIsmoilova, Sergey Chernishev, Max Völkel, Heiko Haller,Sebastian Blohm, Philipp Sorg, Peter Haase, Than Tran, Basil Ell, DanielHerzig, BenediktKämpgen, Elena Simperl, Delia Rusu, Marko Grobelnik,Michael Cariaso, AmélieCordier, Jean Lieber, Emmanuel Nauer, YannickToussaint, Pascal Molli, HalaSkaf-Molli, Joel Natividad, Daniel Hanschand the Ontoprise team, and many others KIT – University of the State of Baden-Württemberg and National Large-scale Research Center of the Helmholtz Association www.kit.edu

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Wikidata presentation at SemTechBiz Berlin 2012

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