@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/> .

ns1:01KZQ7BS7KE7CA2V6JEWMWZ7SW a ns2:Person ;
    ns5:wasDerivedFrom ns1:01KZQ7BS7K99582XYHK9GCGA2V ;
    schema:alternateName "Leandrinho"@en ;
    schema:description "Brazilian jiu-jitsu instructor and competitor, co-founder of Checkmat with his\nbrothers Leonardo and Ricardo Vieira, and Brazilian jiu-jitsu head coach for the\nMMA team at American Kickboxing Academy (AKA) in San Jose. He has coached MMA\nfighters including Cain Velasquez, Daniel Cormier, Luke Rockhold and Josh Thomson,\nand awarded Velasquez his BJJ black belt in October 2013.\n"@en ;
    schema:image _:b10994 ;
    schema:keywords "coach", "brazilian-jiu-jitsu", "checkmat", "aka" ;
    schema:name "Leandro Vieira"@en ;
    schema:nationality _:b10996 ;
    schema:sameAs <https://www.wikidata.org/wiki/Q16221665> ;
    ns2:birthEvent _:b10997 ;
    ns2:deathEvent _:b11000 ;
    ns2:hasEvidence _:b11001 ;
    ns2:hasRankAssertion _:b11002 ;
    ns2:hasTeacherAssertion _:b11005 ;
    ns2:taughtAt ns1:01KZQ7BS7KJ444KWAH72XGN2NT ;
    ns2:teaches ns1:01KZQ7BS7KNPWQ10BYV9FFKFMD ;
    ns2:wasTaughtBy ns1:01KZR1M7T51S10DM56FKM4N7P2 .
_:b11005 a ns2:TeacherAssertion ;
    ns2:assertedStyle ns1:01KJJAWN29MA64W22606R3WD9J ;
    ns2:hasConfidence _:b11006 ;
    ns2:hasInteraction _:b11007 ;
    ns2:object ns1:01KZR1M7T51S10DM56FKM4N7P2 ;
    ns2:role <https://w3id.org/martialis/vocab/teacher-role/student> ;
    ns2:subject ns1:01KZQ7BS7KE7CA2V6JEWMWZ7SW .
_:b11007 a ns2:TeacherInteraction ;
    ns5:wasDerivedFrom ns1:01KZR1M7T5T5YEMHV3WAQJ6FBY, ns1:01KZR1M7T3RKSXHER9PNADSYVM, ns1:01KZR1M7T49C1DKVC1DWZH0M3G ;
    ns2:hasEvidence _:b11010, _:b11009, _:b11008 ;
    ns2:interactionPeriod _:b11011 .
_:b11011 a ns2:TimeInterval .
_:b11010 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KZR1M7T49C1DKVC1DWZH0M3G ;
    ns2:evidenceWeight ns4:medium ;
    ns2:quotation "When the Vieira brothers began their Jiu Jitsu journey, they were a part of the Jiu Jitsu affiliation Alliance." ;
    ns2:sourceRefType ns3:secondary ;
    ns2:supports true .
_:b11009 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KZR1M7T3RKSXHER9PNADSYVM ;
    ns2:evidenceWeight ns4:medium ;
    ns2:quotation "From this amazing place, several of the best black belts the world had ever seen were formed, competitors such as Fabio Gurgel, Roberto Traven, Jamelao, the Vieira Brothers and many others." ;
    ns2:sourceRefType ns3:secondary ;
    ns2:supports true .
_:b11008 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KZR1M7T5T5YEMHV3WAQJ6FBY ;
    ns2:evidenceWeight ns4:high ;
    ns2:quotation "Congratulations to my master Romero Jacare Cavalcanti on receiving his new belt as a 8th degree black belt today. Forever grateful for introducing me and my brothers to BJJ and teaching us how to respect this martial art with honor and integrity." ;
    ns2:sourceRefType ns3:primary ;
    ns2:supports true .
_:b11006 a ns2:Confidence ;
    ns5:wasAttributedTo ns6:FSM ;
    ns2:assessedBy ns6:FSM ;
    ns2:confidenceLevel "3"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:confidenceRationale "Leandro's own Facebook post (August 27, 2017) calls Cavalcanti his master and credits him with introducing him and his brothers to BJJ; the Lake Effect article records the Vieira brothers training with Alliance founder Romero Cavalcanti, and BJJ Heroes lists the Vieira Brothers among the black belts formed at the Jacare Jiu-Jitsu Academy" .
_:b11002 a ns2:RankAssertion ;
    ns5:wasDerivedFrom ns1:01KZQ7BS7K99582XYHK9GCGA2V ;
    ns2:hasConfidence _:b11003 ;
    ns2:hasEvidence _:b11004 ;
    ns2:object ns1:01KJJAWN29MA64W22606R3WD9J ;
    ns2:rankGrade <https://w3id.org/martialis/vocab/rank-grade/bjj_black> ;
    ns2:rankSystem ns1:01M11YJ1XMX79NAEPJ09NWKC1S ;
    ns2:subject ns1:01KZQ7BS7KE7CA2V6JEWMWZ7SW .
_:b11004 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KZQ7BS7K99582XYHK9GCGA2V ;
    ns2:evidenceWeight ns4:high ;
    ns2:quotation "Leandro Vieira is a Brazilian jiu-jitsu instructor and competitor, and a co-founder of Checkmat." ;
    ns2:sourceRefType ns3:secondary ;
    ns2:supports true .
_:b11003 a ns2:Confidence ;
    ns5:wasAttributedTo ns6:FSM ;
    ns2:assessedBy ns6:FSM ;
    ns2:confidenceLevel "2"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:confidenceRationale "Leandro Vieira is a BJJ black belt and Checkmat co-founder per Wikipedia and Checkmat sources; his belt degree is reported variously as 3rd, 4th and 5th across sources, so the degree is not asserted. Who granted the belt is not documented; his Facebook post names Cavalcanti as his master, which establishes the teacher relationship, not that Cavalcanti awarded the belt" .
_:b11001 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KZQ7BS7K99582XYHK9GCGA2V ;
    ns2:coversProperty ns2:hasRankAssertion, schema:description, schema:name, ns2:birthEvent ;
    ns2:evidenceWeight ns4:high ;
    ns2:sourceRefType ns3:secondary ;
    ns2:supports true .
_:b11000 a ns2:LifeEvent .
_:b10997 a ns2:LifeEvent ;
    ns5:wasDerivedFrom ns1:01KZQ7BS7K99582XYHK9GCGA2V ;
    schema:birthDate "1981-06-05" ;
    schema:birthPlace _:b10998 ;
    ns2:earliestYear "1981"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:hasEvidence _:b10999 ;
    ns2:latestYear "1981"^^<http://www.w3.org/2001/XMLSchema#integer> .
_:b10999 a ns2:SourceAssertionRelation ;
    ns2:basedOnSource ns1:01KZQ7BS7K99582XYHK9GCGA2V ;
    ns2:evidenceWeight ns4:high ;
    ns2:sourceRefType ns3:secondary ;
    ns2:supports true .
_:b10998 schema:addressCountry ns8:BRA ;
    schema:name "Rio de Janeiro" ;
    schema:sameAs ns7:Q8678 .
_:b10996 schema:addressCountry ns8:BRA ;
    schema:sameAs ns7:Q155 .
_:b10994 schema:contentUrl <https://upload.wikimedia.org/wikipedia/commons/4/48/Leandro_vieira_bjj.jpg> ;
    ns2:imageAttribution _:b10995 .
_:b10995 schema:citation "Leandro Vieira - Wikimedia Commons" ;
    schema:url <https://commons.wikimedia.org/wiki/File:Leandro_vieira_bjj.jpg> ;
    ns2:evidenceWeight ns4:medium ;
    ns2:sourceRefType ns3:secondary .