@prefix rr: <http://www.w3.org/ns/r2rml#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix ex: <http://example.com/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rml: <http://semweb.mmlab.be/ns/rml#> .
@prefix ql: <http://semweb.mmlab.be/ns/ql#> .
@base <http://example.com/base/> .
@prefix d2rq: <http://www.wiwiss.fu-berlin.de/suhl/bizer/D2RQ/0.1#> .

<TriplesMap1> a rr:TriplesMap;
    
  rml:logicalSource [ 
    rml:source <#DB_source>;
    rr:sqlVersion rr:SQL2008;
    rr:tableName "student_sport";
];

  rr:subjectMap [ 
    rr:template "http://example.com/{Student}";
    rr:class ex:Student
  ];

  rr:predicateObjectMap [ 
    rr:predicate foaf:name ; 
    rr:objectMap [ 
      rml:reference "Student"
    ]
  ].

<TriplesMap2> a rr:TriplesMap;
    
  rml:logicalSource [ 
    rml:source <#DB_source>;
    rr:sqlVersion rr:SQL2008;
    rr:tableName "student_sport";
];

  rr:subjectMap [ 
    rr:template "http://example.com/{Sport}";
    rr:class ex:Sport
  ];

  rr:predicateObjectMap [ 
    rr:predicate foaf:name ; 
    rr:objectMap [ 
      rml:reference "Sport"
    ]
  ].

<#DB_source> a d2rq:Database;
  d2rq:jdbcDSN "CONNECTIONDSN";
  d2rq:jdbcDriver "org.postgresql.Driver";
  d2rq:username "postgres";
  d2rq:password "" .