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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Horses

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Recent Events

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Popular eye colors

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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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Popular surnames among humans

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Given names with most variations

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Popular surnames among fictional characters

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Women with most sitelinks and no image born in 1921 or later

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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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Music genres

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Airports within 100km of Berlin

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Schools between San Jose, CA and Sacramento, CA

 * Uses
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Whose birthday is today?

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Finding John and Sarah Connor

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Data of Douglas Adams

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Rock bands that start with "M"

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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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Film directors ranked by number of sitelinks multiplied by their number of films

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The Simpsons television series episodes list by season

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Pokemon!

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Law & Order episodes

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Main subjects of West Wing episodes

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Movies with Bud Spencer

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Popular television series (in treeview)

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Fictional subjects of the Marvel Universe

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List of present-day countries and capital(s)

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Largest cities per country

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Wikidata people per million inhabitants for all EU countries

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Papers about wikidata

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Longest rivers

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Body of water with the most watercourses ending in it

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Mountains, with coordinates, not located on Earth

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Highest mountains in the universe

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Italian mountains higher than 4000mt

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Former capitals

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Metro stations in Paris

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Map of Broadway venues

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How many states this US state borders

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Continents

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Some other continents

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Places with continent Antarctica more than 3000 km north of south pole

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Places that are below 10 meters above sea level

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Largest cities of the world

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Places within 1km of the Empire State Building

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Select French municipalities by INSEE code (select by identifier)

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Emergency numbers by population using them

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

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Popular names per birthplace

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Map of places mentioned in travel stories with text in French accessible online

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Things located where the equator meets the prime meridian

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Gender balance of members of Irish parliament

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Assemblies by number of seats

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List of countries by age of the head of government

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

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Members of the French National Assembly born out of France

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Map of places of birth of economists

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Mathematical proofs

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Library and Information Science journals

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Databases listed in Wikidata and if available applicable licenses

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Scientists who have worked together but whose Erdős numbers don’t reflect that

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Fictional universes with most fictional planets

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inventors killed by their own invention

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Objects with most mass

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Biological databases listed in Wikidata and if available applicable licenses

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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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American universities founded before the states they reside in were created

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Number of scientists per gender

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Most eponymous mathematicians

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Authors of scientific articles by occupation

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Female scientists with most number of sitelinks (but not English Wikipedia)

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number of statements backed by a reference with a DOI

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Translations of the Disease Ontology term DOID:399 (Tuberculosis)

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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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List of popes

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Popes with children

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Years with 3 popes

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Popes with children

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French heads of government by length of service

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List of countries in 1754

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Population in Europe after 1960

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Locations of air accidents

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Most prolific fathers

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People who died by burning - on a timeline

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People who lived in the same period as another person

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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
Applicable Tags: ., ,

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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taxons and what they are named after

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Biologists with Twitter accounts

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List of pharmaceutical drugs with picture

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Organisms that are located in the female urogential tract and that have a gene with product indole

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List of computer files formats

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List of W3C standards

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Oldest software

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Universities of main programming language authors

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Chemical elements and their properties

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Chemical elements and their isotopes by number of neutrons (min/max)

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Colors of chemical compounds

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Museums in Brittany
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All museums in Barcelona with coordinates

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Cathedrals in Paris

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Public art in pairs

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{{SPARQL|query= SELECT DISTINCT ?item (SAMPLE (?titleL) AS ?title) (group_concat(distinct ?creatorL ; separator = ", ") as ?creator) (group_concat(distinct ?genreL ; separator = ", ") as ?genre) (group_concat(distinct ?placeL ; separator = ", ") as ?place) (group_concat(distinct ?arr ; separator = ", ") as ?arrondissement) (SAMPLE (?img) AS ?image) (SAMPLE (?coord) AS ?coordinates) { SELECT ?item ?titleL ?creatorL ?genreL ?placeL ?arr ?img ?coord WHERE { # selecting items... {     # items in Paris...      ?item wdt:P131 wd:Q90. } UNION { # ...or in an arrondissement of Paris ?item wdt:P131/wdt:P131* wd:Q90. }   # genre: public art ?item wdt:P136 wd:Q557141. # creators OPTIONAL { ?item wdt:P170 ?c. ?c rdfs:label ?creatorL filter (lang(?creatorL) = "fr"). }   #genre OPTIONAL { {       ?item wdt:P136 ?g. FILTER ( STR(?g) != 'http://www.wikidata.org/entity/Q557141') } UNION { ?item wdt:P31 ?g. }     ?g rdfs:label ?genreL filter (lang(?genreL) = "fr"). }   # place OPTIONAL { ?item wdt:P276 ?p. ?p rdfs:label ?placeL filter (lang(?placeL) = "fr"). }   # arrondissement OPTIONAL { ?item wdt:P131 ?a. ?a wdt:P131 wd:Q90. ?a rdfs:label ?arrL filter (lang(?arrL) = "fr"). BIND(REPLACE(?arrL, '^([0-9]+).*$', "$1", "si") AS ?arr) } }}

Locations of Pablo Picasso works

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German breweries

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Sculptures by Max Bill

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Works of art where the name might be a rhyme

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Distribution of public art by place

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Works of art where the title is an alliteration

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Eiffel Tower in art

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Songs with longest melody

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Birthplaces of Europeana280 artists

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Female artists

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Paintings by Gustav Klimt

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Map of all the paintings for which we know a location with the count per location

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Versions of The Scream

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Depicted objects in art work

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Public sculptures in Paris

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Women who are artists

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Characters portrayed by most actors

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List of theatre plays

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Common phrases

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

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Books by a given Author including genres, series, and publication year

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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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Poets and monarchs

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List of digital libraries in the world

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What is depicted in artwork

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Most popular tonality

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Music composers by birth place

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Composers and their most-used tonality

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Songs with longest melody

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How many musicians dies at certain age

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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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Women mushers

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Queries for maintenance
These queries help to maintain the data quality of Wikidata. Note that some of these queries may return no results, it's OK - this means the data is correct, as such queries are meant to detect errors.

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

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Actors whose Spanish label ends with “ (actor)”

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Person labels containing parentheses

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Instances of weapon

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Non-integer populations

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Odd countries

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Paintings on taxons

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Items that are simultaneously instance and subclass of the same class

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Items with specific picture
Note that URL of the filename must be URL encoded.
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Language statements that point to a country
These language statements point to a country instead of a language, which is almost certainly a mistake. In certain languages, a country and its language may have the same label.
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People with statements where start and end time are over 100 years apart
It is rare that a statement for a person is actually valid for over 100 years; most of the results are errors (often simple typos in the year).
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Human gene items with unreferenced statements
This query returns the number of times a given property exists with in a human gene item without references backing that statement.
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Capitals that aren’t capitals
This query returns items that are instances of capital but not the capital of any item.
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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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buildings in more than one country

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

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Files used as “image” in more than 10 items

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Samples with coordinates to illustrate maps

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Locations of national parks

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Places with free wifi

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Map of U1 subway stations in Berlin

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Locations of universities in Germany

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Distribution of names of human settlements ending in "-ow" or "-itz" 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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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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List of torture devices

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Number of jurisdictions by driving side

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Average lifespan by occupation

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Items with the most birth dates

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Things/people with most children

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French communes with names ending in ac

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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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Animals owned by people holding any position

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Animals that were executed

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most frequent occupations without a label in a given language

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Birthplaces of astronauts

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Sandwich ingredients

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