{"schema_version":"4ort.packet/1","entity":{"entity_id":"mark-gregory-davidson","kg_uuid":"59991866-3424-43da-a571-b1cd935df410","wikidata_id":"Q102259079","name":"Mark Gregory Davidson","description":"Ph.D. University of California, Irvine 1984","type":"Person","url":"https://4ort.xyz/entity/mark-gregory-davidson"},"status":"complete","as_of":{"copy_written_at":"2026-10-28T13:08:09Z","last_source_edit_seen":"2026-08-07T22:39:39Z","stale_possible":false,"claims_refreshed_at":"2026-11-05T22:45:54Z","source_revision":2565162163},"facts":[{"field":"P31","label":"instance of","value":"human","value_id":"Q5","value_raw":"Q5","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P31","source_edition":"2026-11-05T22:45:54Z","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":"P569","label":"date of birth","value":"1955","value_id":null,"value_raw":"+1955-00-00T00:00:00Z","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P569","source_edition":"2026-11-05T22:45:54Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Library of Congress Authorities","stated_in_id":"Q13219454"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P106","label":"occupation","value":"professor of mathematics","value_id":"Q72271334","value_raw":"Q72271334","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P106","source_edition":"2026-11-05T22:45:54Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://www.math.lsu.edu/people/emeriti","retrieved":"2024-02-29"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P39","label":"position held","value":"professor emeritus","value_id":"Q1240569","value_raw":"Q1240569","rank":"normal","current":null,"qualifiers":[{"field":"P1027","label":"conferred by","value":"Louisiana State University"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P39","source_edition":"2026-11-05T22:45:54Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"url":"https://www.math.lsu.edu/people/emeriti","retrieved":"2024-02-29"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P21","label":"sex or gender","value":"male","value_id":"Q6581097","value_raw":"Q6581097","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P21","source_edition":"2026-11-05T22:45:54Z","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":"P69","label":"educated at","value":"University of California, Irvine","value_id":"Q868421","value_raw":"Q868421","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P69","source_edition":"2026-11-05T22:45:54Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Mathematics Genealogy Project","stated_in_id":"Q829984"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P184","label":"doctoral advisor","value":"Ray Kunze","value_id":"Q15433445","value_raw":"Q15433445","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P184","source_edition":"2026-11-05T22:45:54Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"stated_in":"Mathematics Genealogy Project","stated_in_id":"Q829984"}]},"trust":{"band":"high","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P549","label":"Mathematics Genealogy Project ID","value":"77921","value_id":null,"value_raw":"77921","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P549","source_edition":"2026-11-05T22:45:54Z","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":"P734","label":"family name","value":"Davidson","value_id":"Q13479473","value_raw":"Q13479473","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P734","source_edition":"2026-11-05T22:45:54Z","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":"P735","label":"given name","value":"Mark","value_id":"Q13610143","value_raw":"Q13610143","rank":"normal","current":null,"qualifiers":[{"field":"P1545","label":"series ordinal","value":"1"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P735","source_edition":"2026-11-05T22:45:54Z","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":"P735","label":"given name","value":"Gregory","value_id":"Q922983","value_raw":"Q922983","rank":"normal","current":null,"qualifiers":[{"field":"P1545","label":"series ordinal","value":"2"}],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P735","source_edition":"2026-11-05T22:45:54Z","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":"P1960","label":"Google Scholar author ID","value":"qwPBu1wAAAAJ","value_id":null,"value_raw":"qwPBu1wAAAAJ","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P1960","source_edition":"2026-11-05T22:45:54Z","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":"P4955","label":"MR Author ID","value":"55010","value_id":null,"value_raw":"55010","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P4955","source_edition":"2026-11-05T22:45:54Z","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":"P10832","label":"WorldCat Entities ID","value":"E39PCjJT8gfWjtVqcTXmPvf44q","value_id":null,"value_raw":"E39PCjJT8gfWjtVqcTXmPvf44q","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P10832","source_edition":"2026-11-05T22:45:54Z","edition_basis":"claims_refreshed_at","licence":"CC0 1.0 Universal","licence_url":"https://creativecommons.org/publicdomain/zero/1.0/","attribution":null,"references":[{"retrieved":"2024-03-17"}]},"trust":{"band":"medium","basis":"wikidata-reference-support/2","calibrated":false}},{"field":"P13591","label":"Yale LUX ID","value":"person/51e4f94d-6be8-4878-a79d-4d29ec295d26","value_id":null,"value_raw":"person/51e4f94d-6be8-4878-a79d-4d29ec295d26","rank":"normal","current":null,"qualifiers":[],"layer":"source","citation":{"source":"wikidata","source_name":"Wikidata","source_record":"https://www.wikidata.org/wiki/Q102259079#P13591","source_edition":"2026-11-05T22:45:54Z","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","P569","P106","P39","P21","P69","P184","P549","P734","P735","P1960","P4955","P10832","P13591"]}],"routes":{"entity_page":"https://4ort.xyz/entity/mark-gregory-davidson","packet_api":"https://4ort.xyz/api/v1/entities/mark-gregory-davidson/packet","facts_jsonld":"https://4ort.xyz/entity/mark-gregory-davidson/facts.json","changes_api":"https://4ort.xyz/api/v1/knowledge/get_entity_changes?entity=mark-gregory-davidson","attention_api":"https://4ort.xyz/api/v1/knowledge/get_attention?entity=mark-gregory-davidson","wikidata":"https://www.wikidata.org/wiki/Q102259079","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":[]}