{"schema_version":"4ort.packet/1","entity":{"entity_id":"algebraic-combinatorics","kg_uuid":"a273fbee-af71-4bac-8df2-870dc4724be9","wikidata_id":"Q1005603","name":"algebraic combinatorics","description":"application of abstract algebra to combinatorics problems","type":"Intangible","url":"https://4ort.xyz/entity/algebraic-combinatorics"},"status":"complete","as_of":{"copy_written_at":"2026-11-12T15:41:19Z","last_source_edit_seen":"2026-07-10T14:19:03Z","stale_possible":false,"claims_refreshed_at":"2026-10-25T18:43:49Z","source_revision":2541223668},"facts":[{"field":"P31","label":"instance of","value":"branch of mathematics","value_id":"Q1936384","value_raw":"Q1936384","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q1005603#P31","source_edition":"2026-10-25T18:43:49Z","edition_basis":"claims_refreshed_at","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":"combinatorics","value_id":"Q76592","value_raw":"Q76592","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q1005603#P279","source_edition":"2026-10-25T18:43:49Z","edition_basis":"claims_refreshed_at","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":"AlgebraicCombinatorics","value_id":null,"value_raw":"AlgebraicCombinatorics","rank":"normal","current":null,"qualifiers":[{"field":"P1810","label":"subject named as","value":"Algebraic Combinatorics"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q1005603#P2812","source_edition":"2026-10-25T18:43:49Z","edition_basis":"claims_refreshed_at","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":"P3285","label":"Mathematics Subject Classification ID","value":"05Exx","value_id":null,"value_raw":"05Exx","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q1005603#P3285","source_edition":"2026-10-25T18:43:49Z","edition_basis":"claims_refreshed_at","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/Q1005603#P6104","source_edition":"2026-10-25T18:43:49Z","edition_basis":"claims_refreshed_at","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":"54643580","value_id":null,"value_raw":"54643580","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q1005603#P6366","source_edition":"2026-10-25T18:43:49Z","edition_basis":"claims_refreshed_at","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":"P8408","label":"KBpedia ID","value":"AlgebraicCombinatorics","value_id":null,"value_raw":"AlgebraicCombinatorics","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q1005603#P8408","source_edition":"2026-10-25T18:43:49Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"KBpedia","stated_in_id":"Q64139102","retrieved":"2020-07-09"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P9621","label":"Treccani's Enciclopedia della Matematica ID","value":"algebra-combinatoria","value_id":null,"value_raw":"algebra-combinatoria","rank":"normal","current":null,"qualifiers":[{"field":"P577","label":"publication date","value":"2013"},{"field":"P1810","label":"subject named as","value":"algebra combinatoria"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q1005603#P9621","source_edition":"2026-10-25T18:43:49Z","edition_basis":"claims_refreshed_at","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) old ID (2021)","value":"109597","value_id":null,"value_raw":"109597","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q1005603#P10565","source_edition":"2026-10-25T18:43:49Z","edition_basis":"claims_refreshed_at","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":"Encyclopedia of China (Third Edition) ID (2026)","value":"41q7mr","value_id":null,"value_raw":"41q7mr","rank":"normal","current":null,"qualifiers":[{"field":"P1810","label":"subject named as","value":"代数组合学"},{"field":"P5017","label":"last update","value":"2022-01-20"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q1005603#P14541","source_edition":"2026-10-25T18:43:49Z","edition_basis":"claims_refreshed_at","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","P2812","P3285","P6104","P6366","P8408","P9621","P10565","P14541"]}],"routes":{"entity_page":"https://4ort.xyz/entity/algebraic-combinatorics","packet_api":"https://4ort.xyz/api/v1/entities/algebraic-combinatorics/packet","facts_jsonld":"https://4ort.xyz/entity/algebraic-combinatorics/facts.json","changes_api":"https://4ort.xyz/api/v1/knowledge/get_entity_changes?entity=algebraic-combinatorics","attention_api":"https://4ort.xyz/api/v1/knowledge/get_attention?entity=algebraic-combinatorics","wikidata":"https://www.wikidata.org/wiki/Q1005603","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":[]}