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Introduction to Wikidata

september 2013

Wikidata ishellip A new project mdash Wikidata is the first new Wikimedia project

since the inception of Wikiversity in 2006

Free mdash The data in Wikidata is published under CC0 licence

Collaborative mdash The data in Wikidata is entered and maintained by Wikidata editors

Multilingual mdash Editing consuming browsing and reusing the data is fully multilingual

A secondary database mdash Wikidata records statements and their sources

Collecting structured data mdash Structured data easily reuseable ldquounderstandablerdquo and reuseable by computers

Support for Wikimedia projects mdash Wikidata supports Wikipedia with more easily maintainable language links and infoboxes

Support well beyond thathellip mdash Everyone is able to use Wikidata for a huge number of different services

Under development

httpswwwwikidataorg

[[WDINTRO]]

Three phases

Phase I interwikisintroduction of items

Phase II infoboxes introduction of declarations

Phase III lists automatic updating and translation of list

Phase I interlanguage links

Former system New system

Disseminated maintenance (data spread over 280 Wikipedias)

Centralized maintenance

Maintenance by many robots Gathering by robots (except ambiguity) maintenance by hand

Screenshot httpsenwikipediaorgwikiVictor_Hugo FileBefore Wikidata phase 1 interwiki linkssvg By Pyfisch (Own work) [CC-BY-SA-30 (httpcreativecommonsorglicensesby-sa30)] via Wikimedia Commons FileWikidata phase 1 interwiki linkssvg By Pyfisch (Own work) [CC-BY-SA-30 (httpcreativecommonsorglicensesby-sa30)] via Wikimedia Commons

Centralized interwiki system Introduction of items As of october 2012 Deployed to all Wikipedias as of March 6th 2013


[[afVictor Hugo]]

[[alsVictor Hugo]]

[[anVictor Hugo]]

[[arفيكتور هوجو]]

[[arzفيكتور هوجو]]

[[astVictor Hugo]]

[[azViktor Huumlqo]]

[[bat-smgVictor Hugo]]

[[ba ]]Гюго Виктор[[be-x-old ]]Віктор Юго[[be ]]Віктор Гюго[[bg ]]Виктор Юго

[[bnভিকর হগহ]]

[[brVictor Hugo]]

[[bsVictor Hugo]]

[[bxr ]]Гюго Виктор[[caVictor Hugo]]

[[cdoMigrave-kaacuteik-d -gu ]]ŏ 13 Ṳ ō[[ce ]]Гюго Виктор

[[ckbڤيکتۆر هوگۆ]]

[[csVictor Hugo]]

[[cv ]]Виктор Гюго[[cyVictor Hugo]]

[[daVictor Hugo]]

[[deVictor Hugo]]

[[diqVictor Hugo]]

[[el ]]Βίκτωρ Ουγκώ[[enVictor Hugo]]

Former systemWikipedia

New systemWikidata

Screenshot httpsenwikipediaorgwikiVictor_Hugo Screenshot httpswwwwikidataorgwikiQ535

Phase I basic data

label or namecf label

descriptioncf description

Aliases (also known as)cf aliases

Interlanguage links

[[WDGLOSS]]

Screenshot httpswwwwikidataorgwikiQ535

Anatomy of an item

Links WikidataWikipedia


Search on Wikidata Search bar

(improved search)item by sitelink

Special pages

ndash search [[SpecialSearch]]

ndash item by title [[SpecialItemByTitle]]

URL wwwwikidataorgwikiSpecialItemByTitle[project][page name]

httpswwwwikidataorgwikiSpecialItemByTitlefrwikiVictor_Hugo

Screenshot of the search bar Screenshot httpswwwwikidataorgwikiSpecialItemByTitle

User interface language

IP users in EnglishOr add uselang=fr after the URLexample httpswwwwikidataorgwikiQ2899263httpswwwwikidataorgwikiQ2899263uselang=fr

Depending on the setting of internationalization (link)

Universal Language Selector(help)

babel parser function (help) on user page Example babelfr-N|en-2

Screenshot of the language selector Screensho httpswwwwikidataorgwikiQ2899263

Phase II infoboxes Centralize infobox-related data Introduction of statements Deployed to Wikidata on February 4th 2013


Disseminated data (280 Wikipedias)

Centralized data

Variable update depending on Wikipedias

Simplified data management

Screenshot httpsfrwikipediaorgwikiBerthe_Faure FileBefore Wikidata phase 2 infoboxessvg By Pyfisch (Own work) [CC-BY-SA-30 (httpcreativecommonsorglicensesby-sa30)] via Wikimedia Commons FileWikidata phase 2 infoboxessvg By Pyfisch (Own work) [CC-BY-SA-30 (httpcreativecommonsorglicensesby-sa30)] via Wikimedia Commons

Phase II infoboxesInfobox Conjoint politique

| nom = Berthe Faure

| image = Faure1212301544-1-jpg

| leacutegende = Dessin supposeacute de Berthe Faure debout et de dos lors du deacutecegraves de son mari (une du [[Le Petit Journal (quotidien)|Petit Journal]])

| statut = [[Liste des eacutepouses des preacutesidents de la Reacutepublique franccedilaise|Eacutepouse du 7e preacutesident de la Reacutepublique franccedilaise]]

| deacutebut = date|17|janvier|1895

| fin = date|16|feacutevrier|1899ltbr gtltsmallgt(4 ans et 29 jours)ltsmallgt

| conjoint = [[Feacutelix Faure]]

| preacutedeacutecesseur = [[Heacutelegravene Casimir-Perier]]

| successeur = [[Marie-Louise Loubet]]

| nom de naissance = Marie-Mathilde Berthe Belluot

| date de naissance = date de naissance|21|feacutevrier|1842

| lieu de naissance =

| date de deacutecegraves = [[1920]] (agrave 78 ans)

| lieu de deacutecegraves =

| profession =

Screenshot httpswwwwikidataorgwikiQ2899263 Screenshot httpsfrwikipediaorgwikiBerthe_Faure

Phase II statement

Anatomy of a statement cf statement

[[WDGLOSS]]

Screenshot httpswwwwikidataorgwikiQ30755 (Auguste Rodin)

claimproperty value Optional qualifiers

reference or source

rank(future feature)

statement

Phase II proprieacuteteacutes

List [[WDP]] Description Property

namespace (ex) translations more or less accurate

Manual constraints talk page (ex)

Property proposal [[WDPP]] instructive reading

HelpBasic membership properties

Community decision-making ndash Project chatndash Requests for comments

[[WDP]]

Screenshot httpswwwwikidataorgwikiPropertyP6 Screenshot httpswwwwikidataorgwikiProperty_talkP6

Phase II data

Datatypes depending on property item Commons media string time (precision from the billion years to the second) Globe coordinate URL number monolingual text multilingual text number with unithellip

[[SpecialListDatatypes]]

Phase II projects

Wikimedia projects integrated to Wikidata Wikipedia Wikivoyage Commons Wikisource Wiktionary etc

Phase II usage

Using Wikidata data on Wikipedia parser function propertyPROPRIETE

scripts Lua mwwikibase

Example of use Occitan Wikipedia (see)

Phase II usage

Data export RDFTurtle

wda-export-datapy of the wda toolkit

Phase III lists

Automatic updating and translation of list

future feature

Eacutedition

[edit] Editing aids

ndash gadgetsndash toolsndash etc

Queries Visualization

[[WDT]]

Eacutediting interwikis

Move Adds a move tool to the sitelink edit toolbar to move a sitelink to another item

Merge This script adds a tool for merging items

slurpInterwiki Import interwikis from a Wikipedia

gadgets

Eacutediting data

Show and edit labels descriptions and aliases from other languages

FileLabelListerpng By screenshot Akkakk (screenshot) [Public domain] via Wikimedia Commons FileLabelLister-2png By screenshot Akkakk (screenshot) [Public domain] via Wikimedia Commons

LabelListergadget

Eacutediting data

Adds a box of quick ldquoadd statementrdquo links to the right side of the page Entity and phylogeny types countries (location and citizenship) Also tries to load and display a blurb from en or de wikipedia

add the following line into your commonjs

importScript( UserMagnus Manskewikidata_usefuljs )

customizable see the code

FileWikidata usefulpng By screenshot Akkakk (screenshot) [Public domain] via Wikimedia Commons

Wikidata Usefuls[[WDT]]

Eacutediting data

For certain item types (eg book) list all the potential but missing properties Click on one to add it


importScript( UserMagnus Manskemissing propsjs )


Screenshot httpswwwwikidataorgwikiQ3018076 (David Holmqvist)

missing props[[WDT]]

Query

Makes queries in the database (limited to 1000 items)

httptoolserverorg~magnusts2wdstats

WikiDataStats

Screenshot httptoolserverorg~magnusts2wdstatsq=r[p119i311]pp27

[[WDT]]

Query

API to query item-property-item links recursively (eg all bridges in Germany)(documentation)

Result format is JSON http20880153172wdq

WikiDataQuery

Screenshot http20880153172wdqq=claim[119311]_AND_noclaim[216581072216581097]

[[WDT]]

Visualisation

Simple graph viewer showing genealogy information in WikiData Starting from a single person it will try and construct the family tree according to father mother and child statements

httpstoolserverorg~magnusts2geneawiki

family tree very small window httpstoolserverorg~magnusts2geneawiki2

GeneaWiki

FileGeneaWiki screenshot Bachpng By Magnus Manske (Own work) [CC-BY-SA-30 (httpcreativecommonsorglicensesby-sa30)] via Wikimedia Commons Screenshot httpstoolserverorg~magnusts2geneawiki2q=Q1339

[[WDT]]

Visualisation

Pretty display of Wikidata items

httptoolswmflabsorgreasonator

Reasonator

Screenshot httptoolswmflabsorgreasonatorq=Q1339amplang=fr

[[WDT]]

Wikidata ishellip A new project mdash Wikidata is the first new Wikimedia project

since the inception of Wikiversity in 2006

Free mdash The data in Wikidata is published under CC0 licence

Collaborative mdash The data in Wikidata is entered and maintained by Wikidata editors

Multilingual mdash Editing consuming browsing and reusing the data is fully multilingual

A secondary database mdash Wikidata records statements and their sources

Collecting structured data mdash Structured data easily reuseable ldquounderstandablerdquo and reuseable by computers

Support for Wikimedia projects mdash Wikidata supports Wikipedia with more easily maintainable language links and infoboxes

Support well beyond thathellip mdash Everyone is able to use Wikidata for a huge number of different services

Under development

httpswwwwikidataorg

[[WDINTRO]]

Three phases












[[afVictor Hugo]]

[[alsVictor Hugo]]

[[anVictor Hugo]]



[[astVictor Hugo]]





[[brVictor Hugo]]

[[bsVictor Hugo]]




[[csVictor Hugo]]


[[daVictor Hugo]]

[[deVictor Hugo]]

[[diqVictor Hugo]]



New systemWikidata


Phase I basic data




Interlanguage links

[[WDGLOSS]]


Anatomy of an item





Special pages















Centralized data



















| profession =


Phase II statement


[[WDGLOSS]]



reference or source


statement








[[WDP]]


Phase II data



Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Three phases












[[afVictor Hugo]]

[[alsVictor Hugo]]

[[anVictor Hugo]]



[[astVictor Hugo]]





[[brVictor Hugo]]

[[bsVictor Hugo]]




[[csVictor Hugo]]


[[daVictor Hugo]]

[[deVictor Hugo]]

[[diqVictor Hugo]]



New systemWikidata


Phase I basic data




Interlanguage links

[[WDGLOSS]]


Anatomy of an item





Special pages















Centralized data



















| profession =


Phase II statement


[[WDGLOSS]]



reference or source


statement








[[WDP]]


Phase II data



Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]









[[afVictor Hugo]]

[[alsVictor Hugo]]

[[anVictor Hugo]]



[[astVictor Hugo]]





[[brVictor Hugo]]

[[bsVictor Hugo]]




[[csVictor Hugo]]


[[daVictor Hugo]]

[[deVictor Hugo]]

[[diqVictor Hugo]]



New systemWikidata


Phase I basic data




Interlanguage links

[[WDGLOSS]]


Anatomy of an item





Special pages















Centralized data



















| profession =


Phase II statement


[[WDGLOSS]]



reference or source


statement








[[WDP]]


Phase II data



Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Phase I basic data




Interlanguage links

[[WDGLOSS]]


Anatomy of an item





Special pages















Centralized data



















| profession =


Phase II statement


[[WDGLOSS]]



reference or source


statement








[[WDP]]


Phase II data



Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]





Special pages















Centralized data



















| profession =


Phase II statement


[[WDGLOSS]]



reference or source


statement








[[WDP]]


Phase II data



Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]










Centralized data



















| profession =


Phase II statement


[[WDGLOSS]]



reference or source


statement








[[WDP]]


Phase II data



Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]
















| profession =


Phase II statement


[[WDGLOSS]]



reference or source


statement








[[WDP]]


Phase II data



Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Phase II statement


[[WDGLOSS]]



reference or source


statement








[[WDP]]


Phase II data



Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]








[[WDP]]


Phase II data



Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Phase II data



Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Phase II projects


Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Phase II usage




Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Phase II usage



Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Phase III lists


future feature

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Eacutedition

[edit] Editing aids



[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]





gadgets

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Eacutediting data



LabelListergadget

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Eacutediting data







Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Eacutediting data







Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Query



WikiDataStats


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Query



WikiDataQuery


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Visualisation




GeneaWiki


[[WDT]]

Visualisation



Reasonator


[[WDT]]

Visualisation



Reasonator


[[WDT]]