Wikidata: A New Way toDisseminate Structured Data

Luca Martinelli Rome, February 27ͭ h , 2014

Submission released under a Creative Commons Attribution-ShareAlike 3.0 Unported license

What is Wikidata?A new Wikimedia Foundation project

a free, collaborative, multilingualsecondary knowledge base

A ... database

• Secondary

• Free

• Collaborative

• Multilingual

The goals of Wikidata

1) Centralising project links

2) Collecting structured data

3) Creating automatic queries

4) Providing support for third parties

Which data?• Links to other items

• Alphanumeric codes

• Images from Wikimedia Commons

• Quantities

• Temporal coordinates (dd/mm/yyyy)

• Geographic coordinates

• URI addresses

Which (future) data?

• Quantities with units of measurements

• Monolingual texts

• Multilingual texts

• ...anything else?

The "statements"

Which projects?

Which future projects?

The Wikidata licenses

(service pages) (data)

Some statistics• Launched on October 30th, 2012

• +14,000,000 items created

• +30,000,000 statements created • +240,000,000 lines of code removed

• ~116,000,000 edits made

Items with a ... code

• VIAF: 47ͭ2,7ͭ34

• ISNI: 189,631

• GND: 27ͭ5,87ͭ3

• LCCN: 191,906

• BNF: 139,7ͭ47ͭ

• SBN: 2,218

• BAV: 990

Other opportunities• Wikidata:Books task force

• Thesaurus BNCF (9.898 items)

• bibliotecari@wikimedia.it

• Partnership EAGLE-WMI (~3,000 epigraphies)

Join us!

https://www.wikidata.org

Thank you for your attention

Credits• File:Wikimedia_Italia-logo.svg, author: Jollyroger; license: © & ™ All rights reserved, Wikimedia Foundation, Inc.

• File:Wikidata-logo-en.svg, author: Planemad; license: © & ™ All rights reserved, Wikimedia Foundation, Inc.

• File:CC_some_rights_reserved.svg, author:Palmtree3000; license: GNU Free Documentation License, Version 1.2 / Creative Commons Attribution-Share Alike 3.0 Unported / Creative Commons Attribution-Share Alike 2.5 Netherlands

• File:Wikimedia_logo_family_complete-2013.svg, author: Wikimedia Foundation; license: © & ™ All rights reserved, Wikimedia Foundation, Inc.

• File:CC-Zero-badge.svg, author: Creative Commons; license: ™ Creative Commons

• File:Cc-by-sa_(1).svg, author: Creative Commons; license: Creative Commons Attribution-Share Alike 3.0 Unported

• File:Wikipedia-logo-v2-it.svg, author: Wikimedia Foundation; license: © & ™ All rights reserved, Wikimedia Foundation, Inc.

• File:Wikivoyage-Logo-v3-en.svg, author: AleXXw; license: Creative Commons Attribution-Share Alike 3.0 Unported / © & ™ All rights reserved, Wikimedia Foundation, Inc.

• File:OptiCommons-logo-en.svg, author: Palosirkka; license: © & ™ All rights reserved, Wikimedia Foundation, Inc.

• File:Wikisource-logo-fr.svg, author: Otourly, Mxn; license: © & ™ All rights reserved, Wikimedia Foundation, Inc.

• File:Wikidata_statement.svg, author: Kaganer, Kolja21, Bjankuloski06en, Lydia Pintscher; license: Creative Commons Attribution-Share Alike 3.0 Unported

• File:Italy-bordering.png, author: Denny Vrandecič; license: public domain

• File:Index.png, author: Denny Vrandecič; license: public domain

• File:Egl_web_logo.png, author: EAGLE network; license: http://www.eagle-network.eu/about/credits/

• File:Wikipe-tan's past, now and future2.png, author: Taketa, M5; license: Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic / Creative Commons Attribution-Share Alike 3.0 Unported / GNU Free Documentation License, Version 1.2

• All other images not mentioned here have been made by the author of the presentation and released under a Creative Commons Attribution-Share Alike 3.0 Unported license.