{"city":{"slug":"chennai-in","name":"Chennai","country":"IN","country_name":"India"},"category":{"key":"medical_service","label":"Medical Service","phrase":"medical services","family":"health_care"},"candidates":12,"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":"microsoft","name":"Microsoft","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:d72abbd4-0bd7-43bb-b8b8-cfc97592c3f1","name":"Chennai Blood Centre","category":"medical_service","address":"70, 42/T1&T2 3rd Floor, Sindhoor Shopping Complex 5th Street, 2nd St","sources":["meta","overture"],"providers":2,"confidence":0.995,"website":true,"phone":true,"michelin":false,"score":2.353,"percentile":100,"photo":null,"transit":{"qid":"Q30638909","name":"Anna Nagar Tower metro station","mode":"metro","distanceM":507}},{"rank":2,"place_id":"gers:abcd5f87-5595-486c-a474-7071b9f39278","name":"Indian Voluntary Blood Bank","category":"medical_service","address":"2nd floor, Church Street, 110, E Mada St","sources":["meta","overture"],"providers":2,"confidence":0.985,"website":true,"phone":true,"michelin":false,"score":2.284,"percentile":90.91,"photo":null,"transit":{"qid":"Q7375145","name":"Royapuram railway station","mode":"rail","distanceM":378}},{"rank":3,"place_id":"gers:9e738f34-48a2-4f8a-9703-d155bab48ee7","name":"Canray Health Alliance Private Limited","category":"medical_service","address":"No 91/92, Ground Floor, Krd Gee Gee Grystal, Dr Radhakrishnan Road, Mylapore","sources":["meta","overture"],"providers":2,"confidence":0.975,"website":true,"phone":true,"michelin":false,"score":2.219,"percentile":81.82,"photo":null,"transit":{"qid":"Q6935719","name":"Mundakanniamman Koil railway station","mode":"rail","distanceM":502}},{"rank":4,"place_id":"gers:7a67e3b7-47ad-43ef-8b10-7117035368a6","name":"ToNormo Physiotherapy Center","category":"medical_service","address":"New No. 121, Old No. 63, 2nd Floor, 121, 63, Ramakrishna Mutt Road, Jeth Nagar, Mandavelli","sources":["microsoft","overture"],"providers":2,"confidence":0.971,"website":true,"phone":true,"michelin":false,"score":2.194,"percentile":72.73,"photo":null,"transit":{"qid":"Q6747921","name":"Mandaveli railway station","mode":"rail","distanceM":623}},{"rank":5,"place_id":"gers:af68b0a3-542f-47e2-af44-d351e0a933bb","name":"Cancer Institute Blood Bank","category":"medical_service","address":"18 Sardar Patel Road, Canal Bank Road","sources":["meta","overture"],"providers":2,"confidence":0.937,"website":true,"phone":true,"michelin":false,"score":1.969,"percentile":63.64,"photo":null,"transit":{"qid":"Q6374849","name":"Kasturba Nagar railway station","mode":"rail","distanceM":238}},{"rank":6,"place_id":"gers:c599ce91-20de-4770-959e-32f6b4651e16","name":"Imayam Nursing Services (P)","category":"medical_service","address":"No:508, P.H Road, Arumbakkam","sources":["microsoft","overture"],"providers":2,"confidence":0.932,"website":true,"phone":true,"michelin":false,"score":1.941,"percentile":54.55,"photo":null,"transit":null},{"rank":7,"place_id":"gers:b348eabd-4531-490c-87b7-86e0a561eeab","name":"Sree Venkateswara Blood Bank","category":"medical_service","address":"13/1, Muthaiah Mudali St","sources":["meta","overture"],"providers":2,"confidence":0.925,"website":true,"phone":true,"michelin":false,"score":1.895,"percentile":45.45,"photo":null,"transit":{"qid":"Q7971483","name":"Washermanpet railway station","mode":"rail","distanceM":142}},{"rank":8,"place_id":"gers:38e8062c-51d6-4312-a89c-80a28537e1ec","name":"Yogeswaran Home Care Services","category":"medical_service","address":"No. 4/2, Kannaki Street, Kamarajapuram","sources":["microsoft","overture"],"providers":2,"confidence":0.908,"website":true,"phone":true,"michelin":false,"score":1.782,"percentile":36.36,"photo":null,"transit":null},{"rank":9,"place_id":"gers:8385de31-e123-4048-a0fa-b88773b4f4ef","name":"AYUSYA HOME HEALTH CARE Private Limited","category":"medical_service","address":"13, Jagadeeswaran Street, Parthasarathi Puram, T. Nagar","sources":["microsoft","overture"],"providers":2,"confidence":0.902,"website":true,"phone":true,"michelin":false,"score":1.742,"percentile":27.27,"photo":null,"transit":{"qid":"Q134044498","name":"Panagal Park metro station","mode":"metro","distanceM":632}},{"rank":10,"place_id":"gers:d8f1f0b4-09f4-41b3-b44a-f04956103e49","name":"KV Medical and Dental Care","category":"medical_service","address":"41, Collectorate Colony 6th Cross St","sources":["meta","overture"],"providers":2,"confidence":0.939,"website":false,"phone":true,"michelin":false,"score":1.312,"percentile":18.18,"photo":null,"transit":null}]}