Wikidata presentation at SemTechBiz Berlin 2012

KIT – University of the State of Baden-Württemberg andNational Large-scale Research Center of the Helmholtz Association

Institut AIFB – Angewandte Informatik und Formale Beschreibungsverfahren

www.kit.edu

WikidataThe next big thing for Wikipedia

SemTechBiz Berlin, February 2012Denny VrandečićKIT Karlsruhe Institute of Technology / Wikimedia Deutschland

Denny Vrandečić2 07.02.2012 Wikidata

Denny Vrandečić3 07.02.2012 Wikidata 3

Imagine a worldin which

every single personis given free access

to the sum ofall human knowledge.

about 500 Million views per day

Top 200 Website

12M+ media files

All free to use

20M+ articles

1B+ edits

280+ languages

Coverage by language

English, German, French, Dutch: 1 Mio+

40 languages: 100,000+

107 languages: 10.000+

But what about other languages?

English

French

Italian

Catalan

Russian

Chinese

What Wikipedia knows

Wikipedia has articles about…… all cities

… their populations

… their mayors

So can I ask for a list of the world’s ten largest cities with a female mayor?

Let’s see what happens…

WIKIPEDIA’S ANSWER: LISTS

COMPUTERS ARE STUPID

What humans see

Berlin

... has a population of 3,490,445

... is located in Germany

... has mayor Klaus Wowereit

... has an area of 892 km2

What computers see

Berlin

3,490,445

Germany

892 km2

COMPUTERS DON‘T MAKE CONNECTIONS

COMPUTERS NEED OUR HELP

Capital of Germany

Also known as: City of BerlinMain pageContentsAccess the APIRandom pageDonate to Wikidata

InteractionHelpAbout WikidataCommunity portalRecent changes

LanguagesCataláCeskyDanskDeutschEestiEspañolEsperantoFrançaisHrvatskiItalianoO’zbekComplete list

BerlinFrom Wikidata

edit | x

Continent Europe [3 sources]

Country Germany [2 sources]

Population 3,490,445 [1 source]

3,500,000 [2 sources]

[other values]

Calling code 030 [2 sources]

Mayor Klaus W| [0 sources]

Vehicle registration B [1 source]

Area 891.85 km” [2 sources]

Twin city Los Angeles [3 sources]

[new fact]

Klaus WowereitGerman politicianKlaus WunderlichGerman musicianKlaus WaldeckAustrian musician and former lawyerKlaus WagnerGerman mathematicianKlaus WagnerStalker of the British Royal Family

Hauptstadt von Deutschland

Auch bekannt als: Stadt BerlinHauptseiteInhaltAPIZufällige SeiteSpende an Wikidata

InteraktionHilfeÜber WikidataBenutzerportalLetze Änderungen

Sprachen CataláCeskyDanskEestiEnglishEspañolEsperantoFrançaisHrvatskiItalianoO’zbekComplete list

BerlinFrom Wikidata

edit | x

Kontinent Europa [3 sources]

Land Deutschland [2 sources]

Einwohner 3.490.445 [1 source]

3.500.000 [2 sources]

[weitere Werte]

Telefonvorwahl 030 [2 sources]

Bürgermeister Klaus Wowereit [2 sources]

Amtliches Kennzeichen B [1 source]

Fläche 891,85 km” [2 sources]

Parnerstadt Los Angeles [3 sources]

[new fact]

Berlin Continent Europe. Berlin Country Germany. Berlin Population 3490445. Berlin Calling_code 030. Berlin Vehicle_registration B. Berlin Mayor Klaus_Wowereit. Berlin Twin_city Los_Angeles.

Berlin

Klaus Wowereit

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

Extracts facts from Wikipedia infoboxes

Publishes them in RDF

Shows potential of machine-readable data

WikiData

Secondary database

Sources for every fact

Reflect diversity

WikiData

Project plan: 3 phases

Phase 1: Language links

Phase 2: Infobox augmentation

Phase 3: Inline queries

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

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

Phase 3: Inline queries

Enable inline queries in WikipediasWith several formats

Open source project

400+ usersNASA, Europeana, Deutsche Telekom, …

20+ languages

World-wide community

Commercial support

Many extensions

semantic-mediawiki.org

Conclusions

Editable, common resource for data

Enables much smaller contribution size

Freely reusable, machine-readable data

Able to answer question

Available in 280+ languages

Denny Vrandečić64 07.02.2012 Wikidata 64

Imagine a worldin which

every single personis given free access

to the sum ofall human knowledge.

KIT – University of the State of Baden-Württemberg andNational Large-scale Research Center of the Helmholtz Association

Institut AIFB – Angewandte Informatik und Formale Beschreibungsverfahren

www.kit.edu

Thank you!http://meta.wikipedia.org/wiki/Wikidata_WMDE

presenting work done by Markus Krötzsch, Yaron Koren, Daniel Kinzler, Qamarniso Ismoilova, Sergey Chernishev, Max Völkel, Heiko Haller, Sebastian Blohm, Philipp Sorg, Peter Haase, Than Tran, Basil Ell, Daniel Herzig, Benedikt Kämpgen, Elena Simperl, Delia Rusu, Marko Grobelnik, Michael Cariaso, Amélie Cordier, Jean Lieber, Emmanuel Nauer, Yannick Toussaint, Pascal Molli, Hala Skaf-Molli, Joel Natividad, Daniel Hansch and the Ontoprise team, and many others

Wikidata presentation at SemTechBiz Berlin 2012

Technology

Transcript of Wikidata presentation at SemTechBiz Berlin 2012

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