{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.judo","code":"thing-q11420","url":"https://ver.cy/models/thing/q11420/","name":"judo","alternateNames":["Brazilian jiu-jitsu","men's judo","para judo","women's judo","Nanatei Judo","Kosen judo","judo at the Summer Universiade","Shinden Jitsuyō-ryū","judo at the 1985 Summer Universiade","judo at the 2027 Summer World University Games","judo at the 1995 Summer Universiade"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Information and virtual systems","entryKind":"thing","plane":"INF","domain":["INF.KNW"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A Japanese martial art and Olympic combat sport founded by Jigoro Kano in 1882, in which competitors seek to throw, pin or submit opponents by joint locks and chokes using leverage and balance, practised in gi uniforms under a belt grading system, with competition for men and women, para judo for athletes with visual impairment, and variants such as Kosen judo emphasising groundwork; judo emphasises mutual welfare and maximum efficiency and gave rise to Brazilian jiu-jitsu through its groundwork lineage.","purpose":"Let an agent explain judo and its techniques, rules and philosophy, describe training, grading and competition, support beginners and fans, and describe history and its relation to related arts.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Throwing emphasis","Gi grips","Belt grading","Olympic status"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What judo is.","layers":[{"id":"concept","name":"Concept","description":"Concept and philosophy.","findings":[{"id":"concept-finding","name":"Concept","description":"Concept.","questions":[{"text":"What is judo, and what principles did Jigoro Kano set for it?","kind":"definition"},{"text":"Which entry fits martial arts generally?","kind":"action"}]}]},{"id":"techniques","name":"Techniques","description":"Techniques.","findings":[{"id":"techniques-finding","name":"Techniques","description":"Techniques.","questions":[{"text":"What are the main throwing, pinning and submission techniques, and how are they classified?","kind":"definition"},{"text":"Which technique is meant?","kind":"boundary"}]}]}]},{"id":"practise","name":"Practise","description":"Training and competition.","layers":[{"id":"training","name":"Training","description":"Training and grading.","findings":[{"id":"training-finding","name":"Training","description":"Training.","questions":[{"text":"How do beginners start judo, how is safety taught, and how does the belt grading system work?","kind":"provenance"},{"text":"Which entry fits a specific federation?","kind":"action"}]}]},{"id":"competition","name":"Competition","description":"Rules and competition.","findings":[{"id":"competition-finding","name":"Competition","description":"Competition.","questions":[{"text":"What are the competition rules and scoring, and how are the Olympics and world championships organised?","kind":"provenance"},{"text":"Is the rules information current?","kind":"boundary"}]}]}]},{"id":"context","name":"Context","description":"Related arts and variants.","layers":[{"id":"related","name":"Related","description":"Related arts.","findings":[{"id":"related-finding","name":"Related","description":"Related.","questions":[{"text":"How does judo relate to jujutsu, Brazilian jiu-jitsu and sambo?","kind":"provenance"},{"text":"Which entry fits Brazilian jiu-jitsu?","kind":"action"}]}]},{"id":"variants","name":"Variants","description":"Variants and para judo.","findings":[{"id":"variants-finding","name":"Variants","description":"Variants.","questions":[{"text":"What are Kosen judo, para judo and other variants?","kind":"provenance"},{"text":"Which entry fits para sport?","kind":"action"}]}]}]},{"id":"learn","name":"Learn","description":"History and teaching.","layers":[{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did judo develop from Japanese jujutsu to a global Olympic sport?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"teach","name":"Teach","description":"Teaching.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How is judo taught to children and adults?","kind":"action"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain judo techniques, rules, grading and philosophy in general terms.","Report competition results and rankings from the governing bodies.","Point beginners to qualified clubs and coaches."],"mustNot":["Coach throws, chokes or joint locks for unsupervised practice without a qualified instructor.","Advise using judo techniques to hurt people outside lawful self-defence.","Present a grade or dan rank as held by a person without a source.","Encourage rapid weight cutting for competition."],"requiresHuman":["Allowing a minor to practise chokes or locks or to compete."]},"ethics":{"considerations":["Throws and chokes can cause serious injury; safe teaching protects practitioners.","Judo carries a philosophy of mutual welfare that misuse betrays."],"affectedParties":["Judoka, especially children","Training partners","Coaches and referees"]},"owners":{"steward":"The person who practises it; national federations and the international federation govern grading and competition.","roles":[],"masterSystems":["National and international federation grading records"]},"relations":[{"target":"Q11417","type":"parent","note":"registry parent class"},{"target":"Q212434","type":"parent","note":"registry parent class"},{"target":"Q7128792","type":"parent","note":"registry parent class"},{"target":"Q752021","type":"parent","note":"registry parent class"},{"target":"martial arts","type":"related","note":"category"},{"target":"Olympic sport","type":"related","note":"category"},{"target":"combat sport","type":"related","note":"category"},{"target":"sport in Asia","type":"related","note":"judo as a sport of Asian origin"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.judo","Wikidata: Q11420 (https://www.wikidata.org/wiki/Q11420)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Throws, pins, joint locks and chokes","Olympic sport with belt grades","Karate strikes; wrestling lacks gi grips; Brazilian jiu-jitsu emphasises ground submissions","Practitioners in white or blue gi uniforms on mats."]},"capabilities":{"applicability":"required","items":["explain techniques and rules","describe training and grading","support beginners and fans","describe history"]},"hazards":{"applicability":"required","items":["Injuries from throws and chokes","Unsafe unsupervised practice","Confusing judo with jujutsu variants"]},"interfaces":{"applicability":"required","items":["International Judo Federation rules","Grading standards of national federations","Safety rules for children and competition"]},"context":{"applicability":"required","items":["Japanese throwing and grappling martial art.","competition judo","kata and traditional practice","para judo","Kosen judo","judo for children and self-defence"]}},"sources":[{"title":"Wikidata item Q11420: judo","url":"https://www.wikidata.org/wiki/Q11420","note":"identity and sense of the item"},{"title":"Wikipedia: Judo","url":"https://en.wikipedia.org/wiki/Judo","note":"general description of the item"}],"openQuestions":["Should judo techniques be separate entries?","How should federations be linked?","How should competition results be linked?"],"resources":{"spec":"/models/things/publications/thing-q11420/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q11420/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T05:41:23Z","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 2026-10-06T19:51:53+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane INF: no invented physical properties."},"score":1.0}}