Wikibase/Indexing/SPARQL Query Examples

Syntax according to ../RDF Dump Format/. See also 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: d: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 Dump Format/

Cats

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Horses

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Recent Events

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Popular eye colors

 * Items used: None
 * Properties used:

Even more cats, with pictures

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People whom we know we don't know their gender (unknown value)

 * Items used:
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Humans without children (no value)

 * Items used:
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Showcase Queries
These queries show the power and functionality of query.wikidata.org.

Largest cities with female mayor

 * Items used: ,
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List of countries ordered by the number of their cities with female mayor

 * Items used: ,
 * Properties used:, , , , ,

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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Airports in Belgium

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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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Countries sorted by population

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Longest rivers

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Body of water with the most watercourses ending in it

 * Items used: None
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Mountains, with coordinates, not located on Earth

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Highest mountains in the universe

 * Items used: None
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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

 * Items used: None
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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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Cities as big as Antwerp give or take 1000

 * items used
 * property used

Destinations from Antwerp International airport

 * items used
 * property used  {Q|P931|place served by airport}}

Cities connected by the European route E40

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Cities connected by the Trans-Mongolian and Trans-Siberian Railway

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Cities connected to Paramaribo (Suriname) by main roads

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{{SPARQL SELECT DISTINCT ?connection ?connectionLabel ?connectedWith ?connectedWithLabel ?coor WHERE { VALUES ?city {wd:Q3001} # wd:Q3001 = Paramaribo} ?connection wdt:P2789+ ?city ; wdt:P2789+ ?connectedWith. ?connectedWith wdt:P625 ?coor. SERVICE wikibase:label { bd:serviceParam wikibase:language "en". } } }}
 * query =
 * 1) defaultView:Map

Cities as big as Eindhoven give or take 1000

 * items used
 * properties used

Show the names of 100 cities with a population larger than 1000000 in the native languages of their countries

 * items used
 * properties used

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

 * items used: None
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Objects with most mass

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Biological databases listed in Wikidata and if available applicable licenses

 * Items used:
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The number of existing translations for diseases in Wikidata
Items used:

A network of Drug-disease interactions on infectious diseases Source: Disease Ontology, NDF-RT and ChEMBL

 * Items used:
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The number of Wikidata items on Diseases and the percentage of those with a pointer to the Disease Ontology

 * 1) Items used: {{Q|Q18123741|disease}
 * 2) Properties used:

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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Using VALUES for extracting scientific articles of specific authors

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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

 * Items used: None
 * Properties used: None

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
Items used:

Most common Zika author

 * Items used: ,
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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

 * Items used:, ,
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Parent taxons of Blue Whale

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taxons and what they are named after

 * Items used: {Q|Q16521|taxon}}
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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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All pKa data in Wikidata and the source titles

 * Items used:
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All CAS registry numbers in Wikidata

 * Properties used:

Chemical compounds in Wikidata sharing the same CAS registry number

 * Properties used:

The number of Chemical compounds in Wikidata sharing the same CAS registry number

 * Properties used:

Museums in Brittany
Tags:

All museums in Barcelona with coordinates

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Cathedrals in Paris

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Public art in Paris

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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

 * Items used:
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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

 * Items used:
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Works of art where the title is an alliteration

 * Items used:
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Eiffel Tower in art

 * Items used:
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Songs with longest melody

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Birthplaces of Europeana280 artists

 * Items used:
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Female artists

 * Items used:
 * Properties used:

Paintings by Gustav Klimt

 * Items used: ,
 * Properties used:, ,

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

 * Items used:
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Versions of The Scream

 * Items used :
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Depicted objects in art work

 * Properties used:

Public sculptures in Paris

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Women who are artists

 * Items used:
 * Properties:

Characters portrayed by most actors

 * Items used: none
 * Properties used:

List of theatre plays

 * Items used:
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Common phrases

 * Items used:
 * Properties used:

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

 * Items used:
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Birthplaces of German Poets

 * Items used:
 * Properties used:

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

 * Items used:
 * Properties used:

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

 * Items used:
 * Properties used:

Literary Works by Label Count

 * Items used:
 * Properties used:

All subclasses of "Literary Work"

 * Items used:
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Epic Poems by Label Count

 * Items used:
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Epic Poems by SiteLink Count

 * Items used:
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Instance of Book by Sitelink Count

 * Items used:
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Poets and monarchs

 * items used:
 * Properties used:

List of digital libraries in the world

 * Items used:
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What is depicted in artwork

 * Properties used:

Most popular tonality

 * Properties used:

Music composers by birth place

 * Items used:
 * Properties used:

Composers and their most-used tonality

 * Properties used:

Songs with longest melody

 * Items used: none
 * properties used:

How many musicians dies at certain age

 * Items used:
 * Properties used:

Museums in Antwerp

 * Items used:
 * Property used:  {{Q}P131|located in the administrative territorial entity}} {{Q|P625}coordinate location}}

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

 * Items used:
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What is the relation between Terrell Buckley and Miami Dolphins?

 * Items used: ,

Women mushers

 * Items used:
 * Properties used:

The awards received by Cristiano Ronaldo and filtered by only the year instead of the default format (i.e. show all of the date information)

 * Items used:
 * Properties used:

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.

Disease items with redirected values
This query checks for existing redirects in disease statements. Regularly, the ProteinBoxBot synchronizes Disease items in Wikidata with the disease ontology. This query checks for statement value that got redirected to another Wikidata item.


 * Expected results: 0 items. >0 items requires manual inspection.


 * Properties used:

Update history of disease items with statements sourced from the Disease Ontology
ProteinBoxBot regularly synchronizes disease related items in Wikidata with the disease ontology. This query returns all modification dates ?date_update to less then a month.


 * Expected results: All update dates older then one month require manual inspection by a curator.

Find duplicate IMDB identifiers

 * Properties used:

People born before year 1880 with no death date

 * Items used:
 * Properties used:, ,

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

 * Items used:
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Objects that have globe which does not match their coordinates

 * Properties used: ,

Aliases of properties which are used more than once

 * Items used: none
 * Properties used: all

Actresses without a description in Spanish

 * items used:
 * Properties used:

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

 * Items used: ,
 * Properties used: ,

Actors whose Spanish label ends with “ (actor)”

 * Items used: ,
 * Properties used: ,

Person labels containing parentheses

 * Items used:
 * Properties used:

Instances of weapon

 * Items used:
 * Properties used: ,

Non-integer populations

 * Properties used:

Odd countries

 * Items used:, , ,
 * Properties used:, ,

Paintings on taxons

 * Items used:, ,
 * Properties used:, , ,

Items that are simultaneously instance and subclass of the same class

 * Properties used: ,

Items with specific picture
Note that URL of the filename must be URL encoded.
 * Properties used:

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.
 * Items used:
 * Properties used:, , , , , , ,

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).
 * Items used:
 * Properties used:, ,

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.
 * Items used:
 * Properties used: ,

Capitals that aren’t capitals
This query returns items that are instances of capital but not the capital of any item.
 * Items used:
 * Properties used:, , , ,

Chemical compounds with no CAS registry number

 * Items used:
 * Properties used:, , , ,

Human settlements that are not described in the English WIkipedia

 * Items used:


 * Properties used: ,

Human settlements not being described in any language version of Wikipedia

 * Items used:


 * Properties used: ,

List of space probes with pictures

 * Items used:
 * Properties used: ,
 * Features used:

List of parliament buildings with pictures by country

 * Items used:
 * Properties used:, ,
 * Features used:

buildings in more than one country

 * Items used:
 * Properties used:

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

 * Items used: ,
 * Properties used:, , , ,
 * Features used:

Files used as “image” in more than 10 items

 * Items used: None
 * Properties used:

Samples with coordinates to illustrate maps

 * Items used:
 * Properties used:

Locations of national parks

 * Features used:

Places with free wifi

 * Items used:
 * Properties used:

Map of U1 subway stations in Berlin

 * Items used:
 * Properties used:
 * Features used:

Locations of universities in Germany

 * Items used:
 * Properties used:
 * Features used:

Distribution of names of human settlements ending in "-ow" or "-itz" in Germany

 * Items used:
 * Properties used:
 * Features used:

Locations of power stations

 * Items used:
 * Properties used:
 * Features used:

Locations of stone arch bridges

 * Items used:
 * Properties Used:
 * Features used:

Locations of aqueducts

 * Items used:
 * Properties used:
 * Features used:

Locations of archaelogical sites

 * Items used:
 * Properties used:
 * Features used:

Locations of castles that are also archaeological sites

 * Items used:
 * Properties used:
 * Features used:

Locations of battles

 * Items used:
 * Properties used:
 * Features used:

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

 * Items used:
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 * Features used:

All ski resorts with coordinates

 * Items used:
 * Properties used:
 * Features used:

Lighthouses in Norway

 * Items used:
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 * Features used:

List of torture devices

 * Items used:
 * Properties used:

Number of jurisdictions by driving side

 * Items used: None
 * Properties used: {Q|P1622|driving side}}

Average lifespan by occupation

 * Items used:
 * Properties used:

Items with the most birth dates

 * Properties used:

Things/people with most children

 * Items used : None
 * Properties used:

French communes with names ending in ac

 * Items used:
 * Properties used:

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

 * Items used:
 * Properties used:

People born in Occitania for Listeria

 * Items used:
 * Properties used:

People born in Scotland for Listeria (1)

 * Items used:
 * Properties used:

People born in Scotland for Listeria (2)

 * Items used:
 * Properties used: ,

Occupations with a German label

 * Items used:
 * Properties used:

Animals owned by people holding any position

 * Items used:
 * Properties used:

Animals that were executed

 * Items used:
 * Properties used:

most frequent occupations without a label in a given language

 * Items used: None
 * Properties used:

Birthplaces of astronauts

 * Items used:
 * Properties used:

Sandwich ingredients

 * Items used:
 * Properties used: