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QLever

SPARQL engine
CreativeWork free_and_open_source_software Q111016295
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QLever

Summary

QLever is a free and open-source software[1]. QLever draws 6 Wikipedia views per month (free_and_open_source_software category, ranking #93 of 170).[2]

Key Facts

  • QLever is in the country of Germany[3].
  • QLever's instance of is recorded as free and open-source software[4].
  • QLever's instance of is recorded as triplestore[5].
  • QLever's instance of is recorded as SPARQL engine[6].
  • QLever's developer is recorded as Hannah Bast[7].
  • QLever's developer is recorded as Björn Buchhold[8].
  • QLever's developer is recorded as Johannes Kalmbach[9].
  • QLever's developer is recorded as Patrick Brosi[10].
  • QLever's copyright license is recorded as Apache Software License 2.0[11].
  • QLever's programmed in is recorded as Q2407[12].
  • QLever's software version identifier is recorded as 0.5.44[13].
  • QLever's software version identifier is recorded as 0.5.45[14].
  • QLever's software version identifier is recorded as 0.5.46[15].
  • QLever's software version identifier is recorded as 0.5.47[16].
  • QLever's Commons category is recorded as QLever[17].
  • QLever's language of work or name is recorded as English[18].
  • QLever's publication date is recorded as +2017-00-00T00:00:00Z[19].
  • QLever's official website is recorded as https://qlever.cs.uni-freiburg.de/[20].
  • QLever's official website is recorded as https://qlever.dev/[21].
  • QLever's described at URL is recorded as https://www.openstreetmap.org/user/Danysan95/diary/403095[22].
  • QLever's source code repository URL is recorded as https://github.com/ad-freiburg/qlever[23].
  • QLever's described by source is recorded as QLever: A Query Engine for Efficient SPARQL+Text Search[24].
  • QLever's described by source is recorded as Getting and hosting your own copy of Wikidata[25].
  • QLever's described by source is recorded as Evaluation of a Representative Selection of SPARQL Query Engines using Wikidata[26].
  • QLever's described by source is recorded as qEndpoint: A Wikidata SPARQL endpoint on commodity hardware[27].

Body

Publication

QLever's publication date is recorded as +2017-00-00T00:00:00Z[19]. QLever's language of work or name is recorded as English[18].

Why It Matters

QLever draws 6 Wikipedia views per month (free_and_open_source_software category, ranking #93 of 170).[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . github.com. github.com. Provenance: wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  12. [14] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  13. [15] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  14. [16] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). QLever. Retrieved May 3, 2026, from https://4ort.xyz/entity/qlever
MLA “QLever.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/qlever.
BibTeX @misc{4ortxyz_qlever_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{QLever}}, year = {2026}, url = {https://4ort.xyz/entity/qlever}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): QLever — https://4ort.xyz/entity/qlever (retrieved 2026-05-03)

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