@prefix ns1: <https://martial.is/entity/> .
@prefix ns2: <https://w3id.org/martialis/ontology#> .
@prefix ns3: <https://w3id.org/martialis/vocab/teacher-role/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ns4: <https://w3id.org/martialis/vocab/source-ref-type/> .
@prefix ns5: <https://w3id.org/martialis/vocab/evidence-weight/> .
@prefix ns6: <http://www.w3.org/ns/prov#> .
@prefix ns7: <https://martial.is/agent/> .
@prefix schema: <https://schema.org/> .
@prefix ns8: <http://www.wikidata.org/entity/> .
@prefix ns9: <http://publications.europa.eu/resource/authority/country/> .

ns1:01KJJAWN29MA64W22606R3WD7H a ns2:Person ;
    ns6:wasDerivedFrom ns1:01KXTSQXW6P83R31HCRY2PRTCJ, ns1:01KXTSQXW6P83R31HCRY2PRTCK ;
    schema:description "Yokoyama Sakujirō was one of the earliest disciples of Kanō Jigorō and one of the Kodokan Shitennō (Four Guardians of the Kodokan). He was known as \"Demon Yokoyama\" for his violent fighting style and harsh training methods."@en, "横山 作次郎は、嘉納治五郎の最初期の弟子の一人で、講道館四天王の一人。その荒々しい戦い方と厳しい稽古方法から「鬼横山」と呼ばれた。"@ja ;
    schema:image _:b130 ;
    schema:name "Yokoyama Sakujiro"@ja-latn, "横山 作次郎"@ja ;
    schema:nationality _:b132 ;
    schema:sameAs <https://www.wikidata.org/wiki/Q3276775>, <https://dbpedia.org/page/Yokoyama_Sakujiro> ;
    ns2:birthEvent _:b133 ;
    ns2:deathEvent _:b135 ;
    ns2:hasEvidence _:b138, _:b137 ;
    ns2:hasRankAssertion _:b139 ;
    ns2:hasTeacherAssertion _:b147, _:b142 ;
    ns2:taughtAt ns1:01KJJAWN29MA64W22606R3WD84 ;
    ns2:teaches ns1:01KJJAWN28MWKKSN4J02MVY1TP, ns1:01KJJAWN28MWKKSN4J02MVY1SD, ns1:01KJJAWN28MWKKSN4J02MVY1TH, ns1:01KJJAWN28MWKKSN4J02MVY1VD, ns1:01KJJAWN28MWKKSN4J02MVY1V0, ns1:01KJJAWN28MWKKSN4J02MVY1S6, ns1:01KJJAWN28MWKKSN4J02MVY1TD ;
    ns2:trainedAt ns1:01KJJAWN29MA64W22606R3WD84, ns1:01KJJAWN29MA64W22606R3WD88 ;
    ns2:wasTaughtBy ns1:01KJJAWN28MWKKSN4J02MVY1S2, ns1:01KJJAWN28MWKKSN4J02MVY1S1 .
_:b147 a ns2:TeacherAssertion ;
    ns2:assertedStyle ns1:01KJJAWN29MA64W22606R3WD9Q ;
    ns2:hasConfidence _:b148 ;
    ns2:hasInteraction _:b149 ;
    ns2:object ns1:01KJJAWN28MWKKSN4J02MVY1S2 ;
    ns2:role ns3:student ;
    ns2:subject ns1:01KJJAWN29MA64W22606R3WD7H .
_:b149 a ns2:TeacherInteraction ;
    ns6:wasDerivedFrom ns1:01KXTSQXW6P83R31HCRY2PRTCJ ;
    ns2:hasEvidence _:b150 ;
    ns2:interactionPeriod _:b151 ;
    ns2:interactionPlace ns1:01KJJAWN29MA64W22606R3WD88 .
_:b151 a ns2:TimeInterval .
_:b150 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KXTSQXW6P83R31HCRY2PRTCJ ;
    ns2:evidenceWeight ns5:medium ;
    ns2:quotation "He trained in Tenjin Shin'yō-ryū jujutsu under Keitaro Inoue in the Yushima Tenjin dojo." ;
    ns2:sourceRefType ns4:tertiary ;
    ns2:supports true .
_:b148 a ns2:Confidence ;
    ns6:wasAttributedTo ns7:FSM ;
    ns2:assessedBy ns7:FSM ;
    ns2:confidenceLevel "2"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:confidenceRationale "Historical records indicate Yokoyama trained in Tenjin Shin'yō-ryū jujutsu before joining Kodokan; specific teacher and dojo mentioned in reliable sources." .
_:b142 a ns2:TeacherAssertion ;
    ns2:assertedStyle ns1:01KJJAWN29MA64W22606R3WD9B ;
    ns2:hasConfidence _:b143 ;
    ns2:hasInteraction _:b144 ;
    ns2:object ns1:01KJJAWN28MWKKSN4J02MVY1S1 ;
    ns2:role ns3:student ;
    ns2:subject ns1:01KJJAWN29MA64W22606R3WD7H .
_:b144 a ns2:TeacherInteraction ;
    ns6:wasDerivedFrom ns1:01KXTSQXW6P83R31HCRY2PRTCJ ;
    ns2:hasEvidence _:b145 ;
    ns2:interactionPeriod _:b146 ;
    ns2:interactionPlace ns1:01KJJAWN29MA64W22606R3WD84 .
_:b146 a ns2:TimeInterval ;
    ns2:startYear "1886"^^<http://www.w3.org/2001/XMLSchema#integer> .
_:b145 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KXTSQXW6P83R31HCRY2PRTCJ ;
    ns2:evidenceWeight ns5:medium ;
    ns2:quotation "Yokoyama Sakujirō was one of the earliest disciples of Kanō Jigorō." ;
    ns2:sourceRefType ns4:tertiary ;
    ns2:supports true .
_:b143 a ns2:Confidence ;
    ns6:wasAttributedTo ns7:FSM ;
    ns2:assessedBy ns7:FSM ;
    ns2:confidenceLevel "3"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:confidenceRationale "Well-documented historical relationship as one of the Four Guardians of Kodokan; multiple reliable sources confirm Yokoyama was an early disciple of Kano Jigoro who joined Kodokan in April 1886." .
_:b139 a ns2:RankAssertion ;
    ns6:wasDerivedFrom ns1:01KXTSQXW6P83R31HCRY2PRTCK ;
    ns2:hasConfidence _:b140 ;
    ns2:hasEvidence _:b141 ;
    ns2:object ns1:01KJJAWN29MA64W22606R3WD9B ;
    ns2:rankOrdinal "8"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:rankSystem ns1:01M11K25NF0E7HG8HWVWM2P3FG ;
    ns2:rankType <https://w3id.org/martialis/vocab/rank-type/dan> ;
    ns2:subject ns1:01KJJAWN29MA64W22606R3WD7H .
_:b141 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KXTSQXW6P83R31HCRY2PRTCK ;
    ns2:evidenceWeight ns5:medium ;
    ns2:quotation "段位は八段（没後追贈）" ;
    ns2:sourceRefType ns4:tertiary ;
    ns2:supports true .
_:b140 a ns2:Confidence ;
    ns6:wasAttributedTo ns7:FSM ;
    ns2:assessedBy ns7:FSM ;
    ns2:confidenceLevel "3"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:confidenceRationale "Posthumously awarded 8th dan rank; well-documented in Japanese Wikipedia and historical records as one of the highest ranks awarded to early Kodokan practitioners." .
_:b138 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KXTSQXW6P83R31HCRY2PRTCJ ;
    ns2:evidenceWeight ns5:medium ;
    ns2:sourceRefType ns4:tertiary ;
    ns2:supports true .
_:b137 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KXTSQXW6P83R31HCRY2PRTCK ;
    ns2:evidenceWeight ns5:medium ;
    ns2:sourceRefType ns4:tertiary ;
    ns2:supports true .
_:b135 a ns2:LifeEvent ;
    schema:deathDate "1912-09-23" ;
    schema:deathPlace _:b136 ;
    ns2:earliestYear "1912"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:latestYear "1912"^^<http://www.w3.org/2001/XMLSchema#integer> .
_:b136 schema:addressCountry ns9:JPN ;
    schema:name "Japan" ;
    schema:sameAs ns8:Q17 .
_:b133 a ns2:LifeEvent ;
    schema:birthDate "1864" ;
    schema:birthPlace _:b134 ;
    ns2:earliestYear "1864"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:latestYear "1864"^^<http://www.w3.org/2001/XMLSchema#integer> .
_:b134 schema:addressCountry ns9:JPN ;
    schema:name "Tokyo" ;
    schema:sameAs ns8:Q1490 .
_:b132 schema:addressCountry ns9:JPN ;
    schema:sameAs ns8:Q17 .
_:b130 schema:contentUrl <https://upload.wikimedia.org/wikipedia/commons/thumb/9/98/Yokoyama-Sakujiro.jpg/250px-Yokoyama-Sakujiro.jpg> ;
    ns2:imageAttribution _:b131 .
_:b131 ns2:basedOnSource ns1:01KXTSQXW6P83R31HCRY2PRTCH ;
    ns2:evidenceWeight ns5:medium ;
    ns2:sourceRefType ns4:tertiary .