Library Data in Wikipedia Wikidata Maximilian Klein Wikipedian

Library Data in Wikipedia & Wikidata Maximilian Klein Wikipedian in Residence at OCLC 26 th February 2013

Programme • Role of Bibliographic data in Wikipedia • Comprehending Wikidata E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Specifically VIAF • VIAF – Virtual – International – Authority – File E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Example VIAF Structure E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Example VIAF Structure Library of Congress E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Example VIAF Structure National Library of Israel E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Combined Information E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Example VIAF Structure Wikipedia E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Example VIAF Structure http: //en. wikipedia. org/wiki/%27 Aziz_%27 Ali_al-Misri E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

One Direction VIAF E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L English Wiki

Enter VIAFBot: Wikipedia Robot VIAF E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L English Wiki

Idea: Reciprocate VIAF E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L English Wiki

But, Deutsche Wiki has done part of this manually VIAF E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L Deutsche Wiki

Verify where English – Deutsche agree English VIAF Deutsche E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

& without Deutsche infromation English VIAF Deutsche E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Final Product . . . E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Statistics • Conflicts 14, 816 • Modified 269, 494 E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Statistics • Full report at • hangingtogether. org E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

How precise is the Algorithm? • ~99% (From random sampling) • But not perfect E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

VIAF is watching VIAF E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Fixing links • If a human ameliorates Wikipeda • VIAF. org watches the change, • and VIAF incorporates the corrected data. E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Other Wikipedias • French Wikipedia? • All other Wikipedias? E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Information Virus • 1 month after VIAFBot • User: Jarekt copies VIAFbot’s links into – Wikimedia Commons – Italiano Wikipedia E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Programme • Role of Bibliographic data in Wikipedia • Comprehending Wikidata E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Copying is a “Hack” • Wikidata was created to resolve this elegantly E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

What is Wikidata? • Wikidata item is a collection of Wikipedia articles En En WD De De Fr E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L Fr

What will not change • Language links will look same E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

But you can edit centrally E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

New: Declarations • Semantic triple E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

New: Declarations E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

New: Declarations Property Value E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Inclusion Syntax • In Wikitext write • {{ propriété: lieu de naissance}} E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Property sources • Centralise citations E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Imminent Problem • Hybrid of citation locations – Some on [XX] Wikipedia – Some on Wikidata E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Abstract all citations? • fraçais Wikipedia has tried to single location for citation objects (Remi). E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

All Citations on Wikidata? • Necessitate import of Bibliographic catalog Another Wikidata Item E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Import catalog • It’s possible to import a catalog – Will Wikidata community permit it? ? Images: https: //commons. wikimedia. org/wiki/File: Gray_vacuum_cleaner. svg https: //commons. wikimedia. org/wiki/Wikidata E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Opportunities • • More citations Multi-lingual citations Inverse linked citations And… E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

FRBR Execution • Problem before were quantity of work • Now we could have Wikipedia crowdsourcing (“externalisation ouverte”) E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Discussion right now • All properties still uncertain E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Discussion right now • Your opportunity to respond http: //www. wikidata. org/wiki/Wikidata: Property_ proposal E U R O P E, M I D D L E E A S T & A F R I C A R E G I O N A L C O U N C I L

Library Data in Wikipedia & Wikidata Maximilian Klein Wikipedian in Residence at OCLC 26 th February 2013 @notconfusing