@prefix ns1: <https://martial.is/entity/> .
@prefix ns2: <https://w3id.org/martialis/ontology#> .
@prefix schema: <https://schema.org/> .

ns1:01KZS3PSKK1T6WG2HDVGG0YE5N a ns2:Source ;
    schema:datePublished "2018" ;
    schema:description "Lex Fridman's own black belt speech video, published on his YouTube channel, in which he states he received his BJJ black belt from Phil Migliarese and Ricardo Migliarese at Balance Studios after 9 years of training and competing"@en ;
    schema:inLanguage "en" ;
    schema:keywords "lex-fridman", "youtube", "video", "bjj", "promotion" ;
    schema:name "Black Belt Speech - Lex Fridman" ;
    schema:publisher _:b5194 ;
    schema:url <https://www.youtube.com/watch?v=bCA54RIkpTo> ;
    ns2:earliestYear "2018"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:hasContributor _:b5195 ;
    ns2:latestYear "2018"^^<http://www.w3.org/2001/XMLSchema#integer> ;
    ns2:sourceType "motion_picture" .
_:b5195 schema:name "Lex Fridman" ;
    ns2:contributorRole "author" .
_:b5194 schema:name "YouTube (Lex Fridman)" .