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.

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.

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: 

Cats
Item used:
 * Items used:

Even more cats

 * Items used:

US presidents and spouses

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US presidents & causes of death

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Politicians who died of cancer (of any type)

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People born before year 1880 with no death date

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Largest cities with female mayor

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

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 * Properties used:, , , , ,

List of present-day countries and capital(s)

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How many states this US state borders

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Whose birthday is today?

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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

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

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

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Aliases of properties which are used more than once

 * Items used: none
 * Properties used: all

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

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

 * Items used: ,
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French people with an article on the English Wikipedia but not on the French one

 * Items used: ,
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Number of scientists per gender

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

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

Paintings by Gustav Klimt

 * Items used: ,
 * Properties used:, ,

Select French municipalities by INSEE code (select by identifier)

 * Properties used:

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