{"schema_version":"4ort.packet/1","entity":{"entity_id":"quicksort","kg_uuid":"29c86a51-d212-4dd2-ae4f-54bd9d296d0d","wikidata_id":"Q486598","name":"quicksort","description":"divide and conquer sorting algorithm","type":"Intangible","url":"https://4ort.xyz/entity/quicksort"},"status":"complete","as_of":{"copy_written_at":"2026-10-26T15:47:31Z","last_source_edit_seen":"2026-09-08T18:09:32Z","stale_possible":true,"claims_refreshed_at":null,"source_revision":null},"facts":[{"field":"P31","label":"instance of","value":"comparison sort","value_id":"Q2632949","value_raw":"Q2632949","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P31","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P31","label":"instance of","value":"divide-and-conquer algorithm","value_id":"Q671298","value_raw":"Q671298","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P31","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P31","label":"instance of","value":"sorting algorithm","value_id":"Q181593","value_raw":"Q181593","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P31","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P279","label":"subclass of","value":"sorting algorithm","value_id":"Q181593","value_raw":"Q181593","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P279","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P61","label":"discoverer or inventor","value":"Tony Hoare","value_id":"Q92602","value_raw":"Q92602","rank":"normal","current":null,"qualifiers":[{"field":"P575","label":"time of discovery or invention","value":"1961"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P61","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P575","label":"time of discovery or invention","value":"1961","value_id":null,"value_raw":"+1961-00-00T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P575","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1343","label":"described by source","value":"Algorithm 64: Quicksort","value_id":"Q55952563","value_raw":"Q55952563","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P1343","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P1482","label":"Stack Exchange tag","value":"https://stackoverflow.com/tags/quicksort","value_id":null,"value_raw":"https://stackoverflow.com/tags/quicksort","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P1482","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P2812","label":"MathWorld ID","value":"Quicksort","value_id":null,"value_raw":"Quicksort","rank":"normal","current":null,"qualifiers":[{"field":"P1810","label":"subject named as","value":"Quicksort"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P2812","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3553","label":"Zhihu topic ID","value":"19644323","value_id":null,"value_raw":"19644323","rank":"normal","current":null,"qualifiers":[{"field":"P1810","label":"subject named as","value":"快速排序"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P3553","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3752","label":"worst-case time complexity","value":"O(n^2)","value_id":null,"value_raw":"O(n^2)","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P3752","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3753","label":"best-case time complexity","value":"O(n \\log n)","value_id":null,"value_raw":"O(n \\log n)","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P3753","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3754","label":"average time complexity","value":"O(n \\log n)","value_id":null,"value_raw":"O(n \\log n)","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P3754","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3755","label":"worst-case space complexity","value":"O(n)","value_id":null,"value_raw":"O(n)","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P3755","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3757","label":"average space complexity","value":"O(\\log n)","value_id":null,"value_raw":"O(\\log n)","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P3757","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P3827","label":"JSTOR topic ID (archived)","value":"q-sort","value_id":null,"value_raw":"q-sort","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P3827","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P5047","label":"Rosetta Code page ID","value":"Sorting_algorithms/Quicksort","value_id":null,"value_raw":"Sorting_algorithms/Quicksort","rank":"normal","current":null,"qualifiers":[{"field":"P9675","label":"MediaWiki page ID","value":"560"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P5047","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P5106","label":"Dictionary of Algorithms and Data Structures ID","value":"quicksort","value_id":null,"value_raw":"quicksort","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P5106","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P6104","label":"maintained by WikiProject","value":"WikiProject Mathematics","value_id":"Q8487137","value_raw":"Q8487137","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P6104","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P6366","label":"Microsoft Academic ID (discontinued)","value":"2778937211","value_id":null,"value_raw":"2778937211","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P6366","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P6564","label":"Brilliant Wiki ID","value":"quick-sort","value_id":null,"value_raw":"quick-sort","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P6564","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P7726","label":"PlanetMath ID","value":"Quicksort","value_id":null,"value_raw":"Quicksort","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P7726","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P9100","label":"GitHub topic","value":"quicksort-algorithm","value_id":null,"value_raw":"quicksort-algorithm","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P9100","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P10565","label":"Encyclopedia of China (Third Edition) ID","value":"94352","value_id":null,"value_raw":"94352","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P10565","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P13397","label":"GitLab topic ID","value":"quick+sort","value_id":null,"value_raw":"quick+sort","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P13397","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P14541","label":"P14541","value":"20WQjY","value_id":null,"value_raw":"20WQjY","rank":"normal","current":null,"qualifiers":[{"field":"P1810","label":"subject named as","value":"快速排序"},{"field":"P5017","label":"last update","value":"2025-05-24"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q486598#P14541","source_edition":null,"edition_basis":"unknown","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[]},"trust":{"band":"unscored","basis":"wikidata-reference-support/2","calibrated":false}}],"unknowns":[],"omitted":{"facts":0,"reason":null},"licences":[{"source":"wikidata","source_name":"Wikidata","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"fields":["P31","P279","P61","P575","P1343","P1482","P2812","P3553","P3752","P3753","P3754","P3755","P3757","P3827","P5047","P5106","P6104","P6366","P6564","P7726","P9100","P10565","P13397","P14541"]}],"routes":{"entity_page":"https://4ort.xyz/entity/quicksort","packet_api":"https://4ort.xyz/api/v1/entities/quicksort/packet","facts_jsonld":"https://4ort.xyz/entity/quicksort/facts.json","changes_api":"https://4ort.xyz/api/v1/knowledge/get_entity_changes?entity=quicksort","attention_api":"https://4ort.xyz/api/v1/knowledge/get_attention?entity=quicksort","wikidata":"https://www.wikidata.org/wiki/Q486598","official_website":null},"trust_rules":{"wikidata-reference-support/2":"From the references in our copy of the statement: high = it cites a source (stated in P248, or a reference URL that is not Wikipedia); medium = only 'imported from Wikimedia project' or a Wikipedia URL; unscored = our copy holds no reference (older copies dropped references, so this is not evidence that Wikidata has none). Wikidata may hold more references than our copy shows. Reference support, not a probability."},"notes":["Our copy of this item's statements has not been checked against Wikidata since tracking began (2026-10-25); a newer value may exist."]}