{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.tennis","code":"thing-q847","url":"https://ver.cy/models/thing/q847/","name":"tennis","alternateNames":["men's tennis","wheelchair tennis","women's tennis","Croatian tennis on the ATP and WTA Tour","Deaf Tennis","beach tennis","tennis singles","tennis doubles","10 and Under Tennis","Road tennis","junior tennis","Foam Tennis"],"kind":"thing","status":"published","version":"0.2.0-wave.3","language":"en","classifiers":{"family":"Thing Registry","category":"Activities and processes","entryKind":"thing","plane":"ACT","domain":["ACT.ACT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A racket sport played by two players or two pairs who hit a felt-covered ball over a net into the opposing court, scored in points, games and sets, on grass, clay, hard and indoor surfaces; governed internationally by the International Tennis Federation with professional tours run by the ATP and WTA, tennis is an Olympic sport with Grand Slam tournaments as its highest events, and wheelchair, beach and other variants.","purpose":"Let an agent explain the rules, scoring and formats of tennis, relay governing bodies, tournaments and rankings from official sources, describe variants, and route current results and player questions to current data.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Distinctive scoring in points, games and sets","Multiple surfaces","Singles and doubles","Professional tours and Grand Slams"],"structure":{"bundles":[{"id":"rules","name":"Rules","description":"How tennis is played.","layers":[{"id":"scoring","name":"Scoring","description":"Rules and scoring.","findings":[{"id":"scoring-finding","name":"Scoring","description":"Scoring.","questions":[{"text":"What are the rules and the scoring system, including tie-breaks?","kind":"definition"},{"text":"Is the question about tennis or another racket sport?","kind":"boundary"}]}]},{"id":"court","name":"Court","description":"Court and equipment.","findings":[{"id":"court-finding","name":"Court","description":"Court.","questions":[{"text":"What are the court dimensions, surfaces and equipment specifications?","kind":"measurement"},{"text":"Which entry fits tennis equipment?","kind":"action"}]}]}]},{"id":"organise","name":"Organise","description":"Governance and events.","layers":[{"id":"bodies","name":"Bodies","description":"Governing bodies and tours.","findings":[{"id":"bodies-finding","name":"Bodies","description":"Bodies.","questions":[{"text":"Who governs tennis, and how are the professional tours and rankings organised?","kind":"provenance"},{"text":"Which entry fits the ATP or WTA?","kind":"action"}]}]},{"id":"events","name":"Events","description":"Tournaments.","findings":[{"id":"events-finding","name":"Events","description":"Events.","questions":[{"text":"What are the Grand Slams and other major events, and when are they held?","kind":"provenance"},{"text":"Is the user asking about a current tournament, which needs official data?","kind":"boundary"}]}]}]},{"id":"play","name":"Play","description":"Playing and variants.","layers":[{"id":"technique","name":"Technique","description":"Technique and training.","findings":[{"id":"technique-finding","name":"Technique","description":"Technique.","questions":[{"text":"What are the main strokes and how is tennis coached?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"variants","name":"Variants","description":"Variants.","findings":[{"id":"variants-finding","name":"Variants","description":"Variants.","questions":[{"text":"How do wheelchair, beach and other variants differ?","kind":"provenance"},{"text":"Which entry fits the specific variant?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"History and health.","layers":[{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did tennis develop from real tennis to the modern game?","kind":"provenance"},{"text":"Which entry fits the history of tennis?","kind":"action"}]}]},{"id":"health","name":"Health","description":"Health and injury.","findings":[{"id":"health-finding","name":"Health","description":"Health.","questions":[{"text":"What do sports medicine sources say about injuries and prevention?","kind":"provenance"},{"text":"Is the user asking about their own injury, which needs a clinician?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["Explain tennis rules, scoring and surfaces as published by the governing body.","Relay rankings, results and schedules with source and date.","Advise on warm-up, heat and injury prevention in general terms."],"mustNot":["Present stale rankings or results as current.","Assist in match-fixing, betting on manipulated matches or misuse of inside information.","Share private health or personal information about players.","Give personal medical advice for an injury instead of directing to a clinician."],"requiresHuman":["Stopping or continuing play for a player who shows signs of heat illness or injury."]},"ethics":{"considerations":["Integrity matters because fixed matches defraud fans and endanger players' careers.","Players' health and privacy deserve protection despite public attention."],"affectedParties":["Players","Fans","Officials and organisers"]},"owners":{"steward":"The international governing body for the rules; tours and clubs run their own events.","roles":[],"masterSystems":["Official ranking and results records of the tours"]},"relations":[{"target":"Q212434","type":"parent","note":"registry parent class"},{"target":"Q2426135","type":"parent","note":"registry parent class"},{"target":"Q877517","type":"parent","note":"registry parent class"},{"target":"racket sport","type":"related","note":"the category"},{"target":"Olympic sport","type":"related","note":"since 1988 in the modern era"},{"target":"International Tennis Federation","type":"related","note":"the world body"},{"target":"padel","type":"related","note":"a related racket sport"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.tennis","Wikidata: Q847 (https://www.wikidata.org/wiki/Q847)"]},"properties":{"applicability":"not-applicable","items":["court length: 23.77 m","court width: 8.23 singles, 10.97 doubles m","net height at centre: 0.914 m"]},"recognition":{"applicability":"optional","items":["Racket sport over a net with tennis scoring","Court of 23.77 m by 8.23 m for singles","Table tennis, padel and squash are different racket sports","Players with rackets on a rectangular court divided by a net, hitting a yellow felt ball."]},"capabilities":{"applicability":"required","items":["explain rules and scoring","relay governing bodies and tournaments","describe variants and surfaces","route current results to official sources"]},"hazards":{"applicability":"required","items":["Injuries such as tennis elbow and ankle sprains","Stale rankings and results","Heat illness in outdoor events","Match-fixing and integrity issues addressed by the sport"]},"interfaces":{"applicability":"required","items":["ITF Rules of Tennis","ATP and WTA tour rules and ranking systems","Anti-doping rules","Equipment specifications for balls and rackets"]},"context":{"applicability":"required","items":["Sport and recreation.","singles and doubles","professional tours ATP and WTA","Grand Slam tournaments","wheelchair tennis","beach tennis and other variants","junior and senior tennis"]}},"sources":[{"title":"Wikidata item Q847: tennis","url":"https://www.wikidata.org/wiki/Q847","note":"identity and sense of the item"},{"title":"Wikipedia: Tennis","url":"https://en.wikipedia.org/wiki/Tennis","note":"general description of the item"}],"openQuestions":["Should each tour and tournament be a separate entry?","How should ranking data be linked?","The registry entry has merged aliases for variants and a national scene; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q847/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q847/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T21:10:47Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:52:02+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane ACT: no invented physical properties."},"score":1.0}}