GeezerVison is showing qlever.dev — The QLever SPARQL engine: fast, scalable, with autocompletion and text search
Knowledge base index
| Description | |
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| Statistics | Number of triples:
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Fulltext index
| Description | |
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| Statistics |
Number of distinct text records:
Number of distinct word occurrences:
Number of distinct entity occurrences:
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Basic settings
| Backend name | Wikidata |
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| Backend slug | wikidata |
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| Backend URL | https://qlever.dev/api/wikidata |
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| Is default: | Yes |
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| Fill known prefixes: | Yes |
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| Languages: | en |
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| Default maximum | 100 rows |
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| Default mode: | 3. SPARQL & context sensitive entities |
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| Access Token |
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Features
| Supported Keywords: | as,ask,base,bind,by,construct,contains-entity,contains-word,data,datatype,delete,describe,distinct,filter,from,graph,group,has-predicate,having,insert,internal,into,keywords,limit,load,minus,named,not,offset,optional,optional,order,prefix,select,service,sort,textlimit,union,using,values,where,with
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| Supported Functions: | asc, desc, avg, values, score, text, count, sample, min, max, average, concat, group_concat, langMatches, lang, regex, sum, dist, contains, str, strlen, substr, strstarts, strends, strbefore, strafter, contains, year, month, day, rand, abs, ceil, floor, round, log, exp, sqrt, sin, cos, tan, if, coalesce, bound, concat, replace, encode_for_uri, isiri, isblank, isliteral, isNumeric, bound, uri, iri, lcase, ucase, exists
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QLever UI Shortcuts:
| ctrl + enter |
Send query to backend |
| tab |
Jump to the next placeholder |
| ctrl + space |
Invoke auto suggestions |
| ▲ or ▼ |
Move through suggestions |
| enter |
Choose the selected suggestion |
| esc |
Close suggestion window |
| ctrl + f |
Search in editor (supports RegEx) |
| ctrl + r |
Search and replace in editor |
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All predicates with their name and frequency
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German cities with their German names
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Highest peak per country
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People and their professions
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All predicates of Paris with name and #triples
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All "shared border with" statements for Paris (Q90)
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Mountains higher than 8000 meters
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All scientific articles with their author (large result)
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All scientific papers (ID and Name)
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Astronauts and their time spent in space
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Persons and their birthdate if it has precision "9"
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Astronauts ordered by number of sitelinks
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All persons with their description, ordered by sitelinks
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All movies with their description, ordered by sitelinks
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Douglas Adams marriage-related triples
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Average height by occupation and gender, ordered by height
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German Astronauts with Date of Birth
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Astronauts who walked on the moon and when
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Astronauts and their predicates
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Movies in 2017 ordered by date
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Horses and information about them
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People with pictures
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German politicians and their most recent party
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Scientists who's name starts with Albert
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Films, Title, Countries, Genre, Description
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All countries and their German name (test for unicode order)
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All triples of wdt:P30 (continent), with proper names
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Birthplaces of people named Patrick
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All movies and their narrative location
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Literals of Germany, except names
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Meryl Streep Oscars and corresponding movies
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Politicians and their most recent party
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People that co-occur with "beatles"
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Airports around Berlin (using DIST)
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All objects with an location in a 100km ring around Freiburg
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All places in a stripe around the 48°N latitude
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Highest peak per mountain range in country X
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Things that happened on day X
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All persons and their date of birth
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German-speaking regions outside of DACH
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Universities in Germany
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All movies with their Wikipedia abstracts
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Movies with IMDB rating (via SERVICE to qlever:imdb)
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Movies matching keywords + IMDb rating
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All universities of DBLP authors with their location
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People who were born and died on the same day of the year
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Periods in earth's history
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Languages ranked by number of countries
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Movies by the Coen brothers, with IMDb ratings and scores
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Astronauts who walked on the moon
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Professions ordered by average age
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Add non-existing French city with wrong sort order (local vocab)
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For each country, the city with the largest number of museums
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Rivers ordered by length
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Test for isIRI, isBlank, isLiteral
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Famous people where we don't know the birth date
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Frequent groups of professions
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Oscar-winning movies with their IMDb score
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Version date (wikibase:Dump schema:dateModified ?date)
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British monarchs
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Datatypes of wdt:P625 coordinates
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Entities with their natural type (random)
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People without birth date [using FILTER NOT EXISTS]
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Natural types of subjects with given P31 type
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TV series ordered by IMDb rating
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Example for EXISTS query
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All graphs and their size
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All locations in a star around Freiburg
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Dump date
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Updates complete until ...
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Wikipedia articles (without special ones)
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Sorry, no examples found :(
Automatically add names to result
Clear the cache before every request
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