Wikibase/Indexing/SPARQL Query Examples

Syntax according to RDF Dump format. See also https://phabricator.wikimedia.org/T86786

Further examples can be found at d:Wikidata:SPARQL query service/queries

This page is parsed by the web interface of the query service to fill its drop down of example queries. Keywords in the line below the header are used to be populate the keyword cloud.

Consider adding a comment in the query noting what it illustrates, when and by whom it was written and which are its limitations given the current data and use of properties at Wikidata.

WDQ queries: https://www.wikidata.org/wiki/Wikidata:List_of_queries

Standard Prefixes
These are standard prefixes, however their use is optional as the query endpoint knows to resolve standard prefixes automatically. PREFIX wd:  PREFIX wdt:  PREFIX wikibase:  PREFIX p:  PREFIX ps:  PREFIX pq:  PREFIX rdfs: 

Simple Queries
These queries help to understand SPARQL and the Wikibase RDF format

Cats

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Even more cats, with pictures

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Showcase Queries
These queries show the power and functionality of query.wikidata.org.

Largest cities with female mayor

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List of countries ordered by the number of their cities with female mayor

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Overall causes of death ranking

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WWII battle durations

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Children of Genghis Khan

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Airports within 100km of Berlin

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Schools between San Jose, CA and Sacramento, CA

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Whose birthday is today?

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Finding John and Sarah Connor

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Winner of the Academy Awards by Award and Time

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Academy award data

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Number of handed out academy awards per award type

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The Simpsons television series episodes list by season

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Popular television series (in treeview)

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List of present-day countries and capital(s)

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How many states this US state borders

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Longest rivers

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Mountains, with coordinates, not located on Earth

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Largest cities of the world

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Gender balance of members of Irish parliament

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Databases listed in Wikidata and if available applicable licenses
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Biological databases listed in Wikidata and if available applicable licenses
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Find the number of existing translations for diseases in Wikidata
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Who discovered the most asteroids?

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Who discovered the most planets? (with list)

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US presidents and spouses

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List of presidents with causes of death

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Presidents and their causes of death ranking

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Politicians who died of cancer (of any type)

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Popes with children

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French heads of government by length of service

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Find drugs for cancers that target genes related to cell proliferation
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Most common Zika author

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Wikidata scientific articles that contain "zika" in the title
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Scientific articles that have subject Zika virus or fever and that are used as a reference in another item

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Parent taxons of Blue Whale

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Biologists with Twitter accounts

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List of computer files formats

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List of W3C standards

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Chemical elements and their properties

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Museums in Brittany
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Paintings by Gustav Klimt

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Authors, writers and poets ranked by sitelink and also includes "country of citizenship".

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Birthplaces of German Poets

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Mushers with neither a ranking in a race nor a reason for not finishing it

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What is the relation between Terrell Buckley and Miami Dolphins?

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Queries for maintenance
These queries help to maintain the data quality of Wikidata

Find duplicate identifiers

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People born before year 1880 with no death date

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Properties that are defined as "qualifier only" but are used in references

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Objects that have globe which does not match their coordinates

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Aliases of properties which are used more than once

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Actresses without a description in Spanish

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= Unsorted =

American universities founded before the states they reside in were created

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List of space probes with pictures

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List of parliament buildings with pictures by country

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List of actors with pictures with year of birth and/or death

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French people with an article on the English Wikipedia but not on the French one

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Number of scientists per gender

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Number of ministers who are themselves children of a minister, per country

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Orders "instances of" "books" with an author by "site link"

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Books or literary works published before 1830 with place of publication or narrative location coordinates

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Items by place of publication

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Birthplace of composers

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Samples with coordinates to illustrate maps

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Locations of national parks

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Map of U1 subway stations in Berlin

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Locations of universities in Germany

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Locations of power stations

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Locations of stone arch bridges

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Locations of aqueducts

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Locations of archaelogical sites

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Locations of castles that are also archaeological sites

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Locations of battles

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Locations of Pablo Picasso works

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All museums (including subclass of museum) in Washington, D.C. with coordinates

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All ski resorts with coordinates

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Lighthouses in Norway

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Literary Works by Label Count

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All subclasses of "Literary Work"

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Epic Poems by Label Count

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Epic Poems by SiteLink Count

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Instance of Book by Sitelink Count

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Most popular tonality

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List of torture devices

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Locations of air accidents

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Public sculptures in Paris

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Women who are artists

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Most popular fathers

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Items with the most birth dates

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Select French municipalities by INSEE code (select by identifier)

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Statements from literature (DOI references)
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Increasingly the Digital Object Identifier (DOI) is used to identifier literature, though not the only identifier. These example start with the DOI.

Statements originating from a specific DOI
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Common phrases

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Poets and monarchs

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List of digital libraries in the world

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List of pharmaceutical drugs with picture

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List of theatre plays

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List of popes

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Population in Europe after 1960

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Publishers by occupation

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Data of Douglas Adams

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Fictional subjects of the marvel universe

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Depicted objects in art work

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Most eponymous mathematicians

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Request all organisms that are located in the female urogential tract and that have a gene with product indole

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Request all known translations of the Disease Ontology term DOID:399 (Tuberculosis)
{{SPARQL|query= SELECT ?English ?language ?label WHERE {	?disease wdt:P699 "DOID:399" ; rdfs:label ?English ; rdfs:label ?label. FILTER (LANG(?English) = "en") BIND(LANG(?label) as ?languageCode) ?languageCode ^ps:P424 ?lstatement. ?lstatement pq:P794 wd:Q22283033	; ^p:P424 ?wdLanguage. ?wdLanguage rdfs:label ?language. FILTER (LANG(?language)="en") } }}
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 * Properties used: {{Q|P699|Disease Ontology ID}} {{Q|P424|Wikimedia language code}} {{Q|P794|as}}

Popular names per birthplace

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Listeria
Samples suitable for Listeria. Generally only include ?item as output. Listeria will add more information from that item. Additional variables from the query could also be used in the lists.

Women born in Wales without an article in Welsh for Listeria
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People born in Occitania for Listeria

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People born in Scotland for Listeria (1)

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People born in Scotland for Listeria (2)

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Occupations with a German label

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Get the available PMID-DOI mappings
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Animals owned by people holding any position

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German states, ordered by the number of company headquarters per million inhabitants

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Wikidata people per million inhabitants for all EU countries

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