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

ns1:01KZQ5XKW34RHMNCH3AB1ZR596 a ns2:Person ;
    ns5:wasDerivedFrom ns1:01KZQ5XKW31J9J520BFK4XZT2H ;
    schema:alternateName "The Pitbull"@en ;
    schema:description "Brazilian martial artist and member of the Gracie family, founder of the Ralph\nGracie Academy. A former Vale Tudo fighter and BJJ competitor, he moved to the\nSan Francisco Bay Area in the 1990s where he built a competitive team.\n"@en ;
    schema:image _:b7089 ;
    schema:keywords "gracie-barra", "mma", "brazilian-jiu-jitsu", "gracie-family" ;
    schema:name "Ralph Gracie"@en ;
    schema:nationality _:b7091 ;
    schema:sameAs <https://www.wikidata.org/wiki/Q7287553> ;
    ns2:birthEvent _:b7092 ;
    ns2:deathEvent _:b7095 ;
    ns2:hasEvidence _:b7096 ;
    ns2:hasRankAssertion _:b7097 ;
    ns2:hasTeacherAssertion _:b7100 ;
    ns2:teaches ns1:01KZQ5XKW310NKTT34P8D4WQAS ;
    ns2:wasTaughtBy ns1:01KYZ31HT367V25Z6764RZXNGZ .
_:b7100 a ns2:TeacherAssertion ;
    ns2:assertedStyle ns1:01KJJAWN29MA64W22606R3WD9J ;
    ns2:hasConfidence _:b7101 ;
    ns2:hasInteraction _:b7102 ;
    ns2:object ns1:01KYZ31HT367V25Z6764RZXNGZ ;
    ns2:role <https://w3id.org/martialis/vocab/teacher-role/student> ;
    ns2:subject ns1:01KZQ5XKW34RHMNCH3AB1ZR596 .
_:b7102 a ns2:TeacherInteraction ;
    ns5:wasDerivedFrom ns1:01KZQ5XKW31J9J520BFK4XZT2H ;
    ns2:hasEvidence _:b7103 ;
    ns2:interactionPeriod _:b7104 .
_:b7104 a ns2:TimeInterval .
_:b7103 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KZQ5XKW31J9J520BFK4XZT2H ;
    ns2:evidenceWeight ns4:high ;
    ns2:quotation "Ralph trained extensively with his uncle Carlos Gracie Junior in the early days of Gracie Barra... It was his uncle who awarded Ralph his black belt in the family trade." ;
    ns2:sourceRefType ns3:secondary ;
    ns2:supports true .
_:b7101 a ns2:Confidence ;
    ns5:wasAttributedTo ns6:FSM ;
    ns2:assessedBy ns6:FSM ;
    ns2:confidenceLevel "2"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:confidenceRationale "BJJ Heroes records that Ralph trained under Carlos Gracie Jr. in the early Gracie Barra days and received his black belt from him; single secondary source" .
_:b7097 a ns2:RankAssertion ;
    ns5:wasDerivedFrom ns1:01KZQ5XKW31J9J520BFK4XZT2H ;
    ns2:grantedBy ns1:01KYZ31HT367V25Z6764RZXNGZ ;
    ns2:hasConfidence _:b7098 ;
    ns2:hasEvidence _:b7099 ;
    ns2:object ns1:01KJJAWN29MA64W22606R3WD9J ;
    ns2:rankGrade <https://w3id.org/martialis/vocab/rank-grade/bjj_black> ;
    ns2:rankSystem ns1:01M11YJ1XMX79NAEPJ09NWKC1S ;
    ns2:subject ns1:01KZQ5XKW34RHMNCH3AB1ZR596 .
_:b7099 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KZQ5XKW31J9J520BFK4XZT2H ;
    ns2:evidenceWeight ns4:high ;
    ns2:quotation "It was his uncle who awarded Ralph his black belt in the family trade." ;
    ns2:sourceRefType ns3:secondary ;
    ns2:supports true .
_:b7098 a ns2:Confidence ;
    ns5:wasAttributedTo ns6:FSM ;
    ns2:assessedBy ns6:FSM ;
    ns2:confidenceLevel "2"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:confidenceRationale "BJJ Heroes states Carlos Gracie Jr. awarded Ralph his black belt; date not stated" .
_:b7096 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KZQ5XKW31J9J520BFK4XZT2H ;
    ns2:coversProperty ns2:hasTeacherAssertion, ns2:hasRankAssertion, schema:description, schema:name, ns2:birthEvent ;
    ns2:evidenceWeight ns4:high ;
    ns2:sourceRefType ns3:secondary ;
    ns2:supports true .
_:b7095 a ns2:LifeEvent .
_:b7092 a ns2:LifeEvent ;
    ns5:wasDerivedFrom ns1:01KZQ5XKW31J9J520BFK4XZT2H ;
    schema:birthDate "1971-05-25" ;
    schema:birthPlace _:b7093 ;
    ns2:earliestYear "1971"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:hasEvidence _:b7094 ;
    ns2:latestYear "1971"^^<http://www.w3.org/2001/XMLSchema#integer> .
_:b7094 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KZQ5XKW31J9J520BFK4XZT2H ;
    ns2:evidenceWeight ns4:high ;
    ns2:quotation "Ralph Gracie was born on May 25, 1971, in Rio de Janeiro, Brazil." ;
    ns2:sourceRefType ns3:secondary ;
    ns2:supports true .
_:b7093 schema:addressCountry ns8:BRA ;
    schema:name "Rio de Janeiro" ;
    schema:sameAs ns7:Q8678 .
_:b7091 schema:addressCountry ns8:BRA ;
    schema:sameAs ns7:Q155 .
_:b7089 schema:contentUrl <https://upload.wikimedia.org/wikipedia/commons/1/11/Ralph_Gracie_in_2026.jpg> ;
    ns2:imageAttribution _:b7090 .
_:b7090 schema:citation "Ralph Gracie in 2026 - Wikimedia Commons" ;
    schema:url <https://commons.wikimedia.org/wiki/File:Ralph_Gracie_in_2026.jpg> ;
    ns2:evidenceWeight ns4:medium ;
    ns2:sourceRefType ns3:secondary .