{"city":{"slug":"johannesburg-za","name":"Johannesburg","country":"ZA","country_name":"South Africa"},"category":{"key":"swimming_pool","label":"Swimming Pool","phrase":"swimming pools","family":"sports_and_recreation"},"candidates":36,"rank":{"method":"curation quality, not popularity: how well attested and how complete a record is","weights":{"attest":0.35,"complete":0.25,"confidence":0.2,"designation":0.4,"fame":-0.15,"chain":-0.3},"limit":"no licensable popularity signal; this ranks curation quality, not taste","anchors":{"wikivoyage":{"status":"validation-only","source":"Wikivoyage (English) editorial listings","licence":"CC BY-SA 4.0","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/","attribution":"Wikivoyage contributors","gate_m":250,"min_group":10,"matched":5951,"matched_cities":294,"anchors_in_groups":5651,"groups":1554,"cities_in_groups":267,"median_percentile":73.02,"share_top_decile":0.242,"share_rank_1":0.029,"families":{"arts_and_entertainment":{"anchors":1112,"cities":122,"validated":true,"median_percentile":70.83,"share_top_decile":0.221},"food_and_drink":{"anchors":2312,"cities":180,"validated":true,"median_percentile":71.88,"share_top_decile":0.228},"health_care":{"anchors":5,"cities":5,"validated":false},"lifestyle_services":{"anchors":17,"cities":16,"validated":false},"lodging":{"anchors":1442,"cities":235,"validated":true,"median_percentile":76.19,"share_top_decile":0.275},"shopping":{"anchors":528,"cities":110,"validated":true,"median_percentile":76.42,"share_top_decile":0.261},"sports_and_recreation":{"anchors":209,"cities":70,"validated":true,"median_percentile":69.69,"share_top_decile":0.22},"travel_and_transportation":{"anchors":26,"cities":22,"validated":false}},"limit":"An anchor only exists where Wikivoyage and the catalogue name the same place, so the matched set is biased toward well-attested places - which the rank rewards through `attest`. Every number here is a lower bound on the ranking's agreement with editorial selection, not an unbiased estimate of it."},"michelin":{"matched":533,"anchors_in_groups":528,"median_percentile":100,"circular":true,"why":"partly circular: 17 of the 5,951 Wikivoyage anchors carry the designation term this rank rewards (designation +0.40) and sit at a median percentile of 99.93, against 72.55 for the 5,934 matched anchors without it. A validation set that shares a term with the model measures the term, not the model.","designated":{"anchors":17,"median_percentile":99.93},"undesignated":{"anchors":5934,"median_percentile":72.55}},"heritage":{"matched_in_groups":1,"median_percentile":87.5,"note":"one anchor: too few to validate anything"}}},"sources":[{"id":"meta","name":"Meta","licence":"CDLA-Permissive-2.0"},{"id":"overture","name":"Overture Maps Foundation","licence":"CDLA-Permissive-2.0"}],"attribution":"Data: AllThePlaces (CC0-1.0), BrightQuery (CDLA-Permissive-2.0), DAC (CDLA-Permissive-2.0), Foursquare Open Source Places (Apache-2.0), Meta (CDLA-Permissive-2.0), Microsoft (CDLA-Permissive-2.0), Overture Maps Foundation (CDLA-Permissive-2.0), PinMeTo (CDLA-Permissive-2.0), RenderSEO (CDLA-Permissive-2.0).","placement":"Nobody paid for placement: no ads, no sponsored results, no ratings for sale.","no_ratings":"The catalogue carries no rating, review count, price or opening hours, so this file has none.","transit":{"source":"Wikidata","licence":"CC0-1.0","attribution":"Station locations from Wikidata (CC0-1.0).","gate_m":800,"note":"Nearest station, not service: no frequency, timetable or departures."},"generated":"2026-10-22","places":[{"rank":1,"place_id":"gers:87143343-c85c-416e-89cf-a1e5cc7d41ff","name":"Aquatots Alberton Swim School","category":"swimming_pool","address":"131 Second Ave","sources":["meta","overture"],"providers":2,"confidence":0.997,"website":true,"phone":true,"michelin":false,"score":2.295,"percentile":100,"photo":null,"transit":null},{"rank":2,"place_id":"gers:b6f2f7fe-92b7-49ee-b565-bbb2fc69b80c","name":"Lis' Swimming School","category":"swimming_pool","address":"36 Buckingham Ave","sources":["meta","overture"],"providers":2,"confidence":0.994,"website":true,"phone":true,"michelin":false,"score":2.276,"percentile":97.14,"photo":null,"transit":null},{"rank":3,"place_id":"gers:00f23ceb-b100-4eb1-9021-7a2b1e6b03ae","name":"Leigh's Swimming Academy","category":"swimming_pool","address":"19 Park Ave","sources":["meta","overture"],"providers":2,"confidence":0.991,"website":true,"phone":true,"michelin":false,"score":2.249,"percentile":94.29,"photo":null,"transit":null},{"rank":4,"place_id":"gers:452177e0-1d4f-411a-9301-87cc9005f02e","name":"The Aqua Centre","category":"swimming_pool","address":"7A Potgieter Rd","sources":["meta","overture"],"providers":2,"confidence":0.988,"website":true,"phone":true,"michelin":false,"score":2.225,"percentile":91.43,"photo":null,"transit":null},{"rank":5,"place_id":"gers:cce26201-5e34-4cc0-83ae-06be1386e27b","name":"AquaNation Swimming Academy","category":"swimming_pool","address":"18 Irene Rd","sources":["meta","overture"],"providers":2,"confidence":0.983,"website":true,"phone":true,"michelin":false,"score":2.192,"percentile":88.57,"photo":null,"transit":null},{"rank":6,"place_id":"gers:d4c62cac-a29d-4101-9db4-c7f1f9692f53","name":"Marmalade Splash Swim School","category":"swimming_pool","address":"270/7 3rd St","sources":["meta","overture"],"providers":2,"confidence":0.982,"website":true,"phone":true,"michelin":false,"score":2.182,"percentile":85.71,"photo":null,"transit":null},{"rank":7,"place_id":"gers:07a9ffa5-517c-466f-8f01-dae662274e6e","name":"Aquatic Zone Houghton Swimming School","category":"swimming_pool","address":"Houghton, 14 Quintondale Rd","sources":["meta","overture"],"providers":2,"confidence":0.979,"website":true,"phone":true,"michelin":false,"score":2.159,"percentile":82.86,"photo":null,"transit":null},{"rank":8,"place_id":"gers:37db4bb4-8f8d-4a56-b6d8-21887e7c818e","name":"MAC Swim School","category":"swimming_pool","address":"60 Philip Engelbrecht Ave","sources":["meta","overture"],"providers":2,"confidence":0.977,"website":true,"phone":true,"michelin":false,"score":2.146,"percentile":80,"photo":null,"transit":null},{"rank":9,"place_id":"gers:389adfcb-7578-4248-b8f9-2eac159e2e10","name":"Aqua Saints Swimming Center","category":"swimming_pool","address":"4 Luderitz St","sources":["meta","overture"],"providers":2,"confidence":0.971,"website":true,"phone":true,"michelin":false,"score":2.093,"percentile":77.14,"photo":null,"transit":null},{"rank":10,"place_id":"gers:075b6327-f9d2-4b4b-8561-254650495b8a","name":"SK's Swim School","category":"swimming_pool","address":"91 Leslie Avenue Fourways, Sandton","sources":["meta","overture"],"providers":2,"confidence":0.964,"website":true,"phone":true,"michelin":false,"score":2.04,"percentile":74.29,"photo":null,"transit":null}]}