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On this site

  • QLever
  • Resources
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  • QLever UI on GitHub

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GeezerVison is showing qlever.dev — The QLever SPARQL engine: fast, scalable, with autocompletion and text search

  • Wikidata
  • Wikimedia Commons
  • Freebase
  • Freebase Easy
  • OSM Planet
  • OHM Planet
  • UniProt
  • PubChem
  • DBLP
  • IMDb
  • Deutsche Nationalbibliothek
  • Yago 3
  • Yago 4
  • DBpedia
  • Olympics



Knowledge base index


Description
StatisticsNumber of triples:

Fulltext index


Description
Statistics Number of distinct text records:
Number of distinct word occurrences:
Number of distinct entity occurrences:

Basic settings


Backend nameDeutsche Nationalbibliothek
Backend slugdnb
Backend URLhttps://qlever.dev/api/dnb
Is default:No
Fill known prefixes:Yes
Languages:en
Default maximum100 rows
Default mode: 3. SPARQL & context sensitive entities
Access Token

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,keywords,limit,minus,named,not,offset,optional,optional,order,prefix,select,service,sort,textlimit,union,using,values,where,with
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

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
  • Download results as CSV
  • Download results as TSV
  • All predicates with their absolute and relative frequency
  • All types and their frequency
  • Works by Albert Einstein
  • Sorry, no examples found :(
Automatically add names to result
Clear the cache before every request


Warning:

Query results:



Error:

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